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Transcript of Zen Opt Manual
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Authorized Distributor:
Cat. No. Z183-E1-01 Note: Spec ifications subject to change without notice. Pr inted in Japan
0503-1M
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ZEN Programmable Relay
Operation ManualProduced May 2003
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Notice: OMRON products are manufactured for use according to
qualified operator and only for the purposes described in this
The following conventions are used to indicate and classify
ual. Always heed the information provided with them. Failu
can result in injury to people or damage to property.
!DANGER Indicates an imminently hazardous situation w
result in death or serious injury.
!WARNING Indicates a potentially hazardous situation whresult in death or serious injury.
!Caution Indicates a potentially hazardous situation whresult in minor or moderate injury, or property
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OMRON Product References All OMRON products are capitalized in this manual. The word
ized when it refers to an OMRON product, regardless of whethe
the proper name of the product.
Visual Aids The following headings appear in the left column of the manual t
ferent types of information.Note Indicates information of particular interest for effi
operation of the product.
1,2,3... 1. Indicates lists of one sort or another, such alists, etc.
Precaution Indicates precautionary information that should the ZEN.
Indicate the buttons that needs to be pressed
dures. Press each button once.
Indicate buttons that needs to be pressed in opPress one of the buttons once or more
Indicates that the display (the word “LANGUAG
flashing. In this manual, this state is described
“flashing cursor” is at the word “LANGUAGE”. In
ble to change settings and the position of the curs
LANGUAGE Indicates that the display (the letter “H” in this reverse video. In this manual, this state is desc
the “highlighted cursor” is at the word “H”. In this
ble to change settings but the cursor can be cha
cursor by pressing the OK button.
RUNPARAMETERSET CLOCKLANGUAGE
ENGLISH
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TABLE OF CONTENT
PRECAUTIONS . . . . . . . . . . . . . . . . . . . . . . . . . . . .1 Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2 Application Precautions. . . . . . . . . . . . . . . . . . . . . . . . .
3 Operating Environment Precautions . . . . . . . . . . . . . . .
4 Conformance to EC Directives . . . . . . . . . . . . . . . . . . .
5 Operating Mode at Startup. . . . . . . . . . . . . . . . . . . . . . .
6 Memory Backup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7 Version Upgrades. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SECTION 1Outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-1 Outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-2 Features and Part Names . . . . . . . . . . . . . . . . . . . . . . . .
1-3 Display Screen and Basic Operations . . . . . . . . . . . . . .
1-4 Memory Areas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-5 Allocating I/O Bit Numbers. . . . . . . . . . . . . . . . . . . . . .
1-6 Preparations for Operation. . . . . . . . . . . . . . . . . . . . . . .
SECTION 2Installation and Wiring . . . . . . . . . . . . . . . . . . . . . .
2-1 Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-2 Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
SECTION 3Programming and Operating Methods . . . . . . . . .
3-1 Selecting Display Language . . . . . . . . . . . . . . . . . . . . .
3-2 Setting the Date and Time . . . . . . . . . . . . . . . . . . . . . . .
3-3 Creating Ladder Programs . . . . . . . . . . . . . . . . . . . . . . .
3-4 Confirming Ladder Program Operation. . . . . . . . . . . . .
3-5 Correcting Ladder Programs . . . . . . . . . . . . . . . . . . . . .
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TABLE OF CONTENTS
SECTION 4Special Functions. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-1 Protecting Programs. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-2 Stabilizing Input Operations. . . . . . . . . . . . . . . . . . . . . . . . .
4-3 Changing Backlight Automatic Cutout Time. . . . . . . . . . . .
4-4 Adjusting LCD Screen Contrast. . . . . . . . . . . . . . . . . . . . . .
4-5 Setting Summertime. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-6 Reading System Information . . . . . . . . . . . . . . . . . . . . . . . .
SECTION 5Optional Products . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-1 Mounting Battery Units . . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-2 Using Memory Cassettes . . . . . . . . . . . . . . . . . . . . . . . . . . .
5-3 Connecting the ZEN Support Software . . . . . . . . . . . . . . . .
SECTION 6Troubleshooting. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-1 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-2 Error Messages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-3 Deleting Error Messages . . . . . . . . . . . . . . . . . . . . . . . . . . .
AppendicesA Product Configurations . . . . . . . . . . . . . . . . . . . . . . . . . . . .
B Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
C Ladder Program Execution . . . . . . . . . . . . . . . . . . . . . . . . .
D Application Examples . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
E Allocations and Setting Sheets . . . . . . . . . . . . . . . . . . . . . .
Index . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Revision History . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
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About this Manual:
This manual describes the installation and operation ofRelay and includes the sections described below.
Please read this manual carefully and be sure you und
provided before attempting to install or operate the ZE
precautions provided in the following section.
Precautions provides general precautions for using
devices.Section 1 gives an outline of the ZEN, including examptem configurations and basic operations.
Section 2 explains how to mount and wire the ZEN CI/O Units.
Section 3 explains how to create and edit ladder progr
timers, counters, comparators, display function and butSection 4 describes how to protect ladder programsLCD screen adjustments, and make summer time setti
Section 5 describes how to mount Battery Units, use how to connect the ZEN Support Software.
Section 6 lists the error messages and provides proba
measures for troubleshooting.
The following two manuals are provided for the ZEN
Refer to them as required in operation.
Manual Contents
ZEN Programmable Relay
Operation Manual
ZEN specifications, functions, a
ing methods.
ZEN Support SoftwareOperation Manual
Installation and operating procethe ZEN Support Software
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PR
This section provides general precautions for using the ZEN Programm
The information contained in this section is important for the safeof the ZEN. You must read this section and understand the inforattempting to set up or operate the ZEN.
1 Safety Precautions . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2 Application Precautions. . . . . . . . . . . . . . . . . . . . . . . . .
2-1 Circuit Design and Ladder Programming . . .
2-2 Installation . . . . . . . . . . . . . . . . . . . . . . . . . . .2-3 Wiring and Connections. . . . . . . . . . . . . . . . .
2-4 I/O Connections and Startup Precautions . . .
2-5 Handling. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-6 Maintenance. . . . . . . . . . . . . . . . . . . . . . . . . .
2-7 Transportation and Storage . . . . . . . . . . . . . .
3 Operating Environment Precautions . . . . . . . . . . . . . . .
4 Conformance to EC Directives . . . . . . . . . . . . . . . . . . .
4-1 Applicable Directives. . . . . . . . . . . . . . . . . . .
4-2 Concepts. . . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-3 Conformance to EC Directives . . . . . . . . . . .
4-4 Relay Output Noise Reduction Methods . . . .
5 Operating Mode at Startup. . . . . . . . . . . . . . . . . . . . . . .
6 Memory Backup. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
7 Version Upgrades. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1 A li i i f iff b
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Safety Precautions
1 Safety Precautions
!WARNING Never attempt to disassemble any Units wsupplied. Doing so may result in serious electrocution.
!WARNING Never touch the I/O terminals, computer coUnit connector, or Battery Unit connector w
supplied. Doing so may result in serious electrocution.
!WARNING Provide safety measures in external circuits (including the following items, to ensure safetabnormality occurs due to malfunction of texternal factor affecting the ZEN operation
result in serious accidents.
• Emergency stop circuits, interlock circuits, limlar safety measures must be provided in exte
• The ZEN will turn OFF all outputs when itstion detects any error. As a countermeasexternal safety measures must be provided
the system.
• The ZEN outputs may remain ON or OFF burning of the output relays or destruction otors. As a countermeasure for such problemeasures must be provided to ensure safety
• Provide double safety mechanisms to han
that can be generated by broken signal power interruptions.
!WARNING Do not short the battery terminals or chargeor incinerate the battery. Do not subject thh k D i f h l i l
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Application Precautions
2 Application Precautions
Observe the following precautions when usin
2-1 Circuit Design and Ladder Program
• Provide external interlock circuits, limit ccircuits in addition to any provided witsafety.
• The output relays or the output transistorfaults in internal circuits such as output tors. As a countermeasure for such prmeasures must be provided to ensure sa
• Always turn ON power to the ZEN befothe I/O circuits. If the ZEN power supply O power supply, temporary errors may re
• The life of the output relays is largely aconditions. Confirm the operation of thoperating conditions and set the switchthat adequate performance will be providburning in the ZEN may result if relays armance has deteriorated.
2-2 Installation• Install the ZEN according to instructions
Improper installation may cause faulty op
• Do not install the ZEN in locations subMalfunction may occur.
• Do not allow the ZEN to fall during instal
• Be sure that all the mounting screws on I/O Unit are tightened to the torque sIncorrect tightening torque may result in
• Use with the cover of the computer conwithout the cover may result in malfunct
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Application Precautions
• Provide circuit breakers and other safety mprotection against shorts in external wiring.
• Use separate wiring ducts for signal wires power supply and high-voltage lines.
• Always check polarity when connecting cabl
• Leave the label attached to the Unit when wlabel may result in malfunction if foreign mat
• Remove the label after the completion of wirheat dissipation. Leaving the label attachedfunction.
• Tighten the terminal block screws to the tomanual.
• Wire the ZEN according to instructions in thImproper installation may cause faulty opera
2-4 I/O Connections and Startup Precautio• Use the Units only with the power supplies
fied in the operation manual. Other power smay damage the Units.
• Take measures to stabilize the power supprated supply if it is not stable.
• Do not apply voltages exceeding the rated icircuits. The input circuits may be destroyed
• Do not apply voltages exceeding the maximity to output circuits. The output circuits may
• Double-check all wiring before turning ONIncorrect wiring may result in burning.
• Check the user program for proper executionning it on the Unit. Not checking the progrunexpected operation.
2-5 Handling
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Application Precautions
• Attaching or removing the Memory C
• Attaching or removing the Battery U
• Confirm that no adverse effect will occattempting any of the following. Not dounexpected operation.
• Changing the operating mode.
• Using the button switches.
• Changing bit status or parameter se
• Before touching a Unit, be sure to first toobject in order to discharge any static bu
• Do not pull on the cables or bend the cablimit. Doing either of these may break the
• Do not place objects on top of the cablDoing so may break the cables.
• Do not short the battery terminals or chaor incinerate the battery. Do not subjeshocks. Doing any of these may result igeneration, or ignition of the battery. Dishas been dropped on the floor or otherwsive shock. Batteries that have been sleak if they are used.
• Abide by all local ordinances and regulathe ZEN.
2-6 Maintenance
• When replacing parts, be sure to confirmpart is correct.
• When replacing a Unit, transfer to the nsettings for clock data, internal holding counter before starting operation again.
2-7 Transportation and Storage
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Operating Environment Precautions
3 Operating Environment Precautio
Do not operate the control system in the followin
• Where the ZEN is exposed to direct sunlight
• Where the ambient temperature or humidityfied ranges.
• Where the ZEN may be affected by condentemperature changes.
• Where there is any corrosive or inflammable• Where there is excessive dust, saline air, or
• Where the ZEN is affected by vibration or sh
• Where any water, oil or chemical may splash
• Any other place with conditions beyond thgeneral specifications.
Take appropriate and sufficient countermeasurestems in the following locations:
• Locations subject to static electricity or othe
• Locations subject to strong electromagnetic
• Locations subject to possible exposure to ra
• Locations close to power supplies.
4 Conformance to EC Directives
4-1 Applicable Directives
• EMC Directives
• Low Voltage Directive
4-2 Concepts
EMC Directives
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Conformance to EC Directives
wiring, and other conditions of the equip
on which the OMRON devices are ins
must, therefore, perform the final check tand the overall machine conform to EMC
Note Applicable EMC (Electromagnetic Compafollows:
EMS (Electromagnetic Susceptibility): EN61EMI (Electromagnetic Interference): EN50
(Radiated emissioLow Voltage DirectiveAlways ensure that devices operating
1,000 VAC and 75 to 1,500 VDC mee
standards for the ZEN (EN61131-2).
4-3 Conformance to EC DirectivesThe ZEN complies with EC Directives. To ensdevice in which the ZEN is used complies ZEN must be installed as follows:
1,2,3... 1. The ZEN must be installed within a contr
2. You must use reinforced insulation or doupower supplies used for the communicatO power supplies.
3. ZEN models complying with EC DirectivCommon Emission Standard (EN50081characteristics (10-m regulations) may configuration of the control panel used, oto the control panel, wiring, and other co
You must therefore confirm that the overallcomplies with EC Directives.
4-4 Relay Output Noise Reduction Meth
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Conformance to EC Directives
Countermeasures(Refer to EN50081-2 for more details.)
Countermeasures are not required if the frequenfor the whole system with the ZEN included is leminute.
Countermeasures are required if the frequency the whole system with the ZEN included is mominute.
Countermeasure ExamplesWhen switching an inductive load, connect
diodes, etc., in parallel with the load or contact a
Circuit Current Characteristic Re
AC DC
CR method Yes Yes If the load is a relay orsolenoid, there is a timelag between the momentthe circuit is opened andthe moment the load isreset.
If the supply voltage is 24or 48 V, insert the surge
protector in parallel withthe load. If the supply volt-age is 100 to 200 V, insertthe surge protectorbetween the contacts.
The captor mustcontact resistanbe 0.5 toage of 1ever, vathe charDecide t
experimconsidetance sucharge wseparatelimits theinto the closed a
The dielcapacitoV. If the use a caity.
Powersupply
I n d u c t i v e
l o a d
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Operating Mode at Startup
5 Operating Mode at Startup
The operating mode at startup depends on t
Diode method No Yes The diode connected inparallel with the loadchanges energy accumu-lated by the coil into a cur-rent, which then flows intothe coil so that the currentwill be converted intoJoule heat by the resis-
tance of the inductiveload.
This time lag, betweenthe moment the circuit isopened and the momentthe load is reset, causedby this method is longerthan that caused by the
CR method.
The stremuslargevaluthe dor la
The
stremaylargeif theappwith
Varistor method Yes Yes The varistor method pre-vents the imposition ofhigh voltage between thecontacts by using the con-stant voltage characteris-tic of the varistor. There istime lag between the
moment the circuit isopened and the momentthe load is reset.
If the supply voltage is 24or 48 V, insert the varistorin parallel with the load. Ifthe supply voltage is 100to 200 V, insert the varis-
tor between the contacts.
---
Circuit Current Characteristic
AC DC
Powersupply
I n d u c t i v e
l o a d
Powersupply I
n d u c t i v e
l o a d
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Memory Backup
6 Memory Backup
The ladder program and settings are stored in EE
not be lost even if the power supply is turned Operiod of time (e.g., 2 days at 25°C). The status however, is backed up by an internal capacitorpower is turned OFF for an extended period of tof holding bits (H), holding timers (#), and countvent value areas. For models equipped with atime and date may be reset. Always reconfir
before restarting operation after the power has ban extended period of time. We recommend th(optional) connected in any system in which prupted for an extended period of time.
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Version Upgrades
7 Version Upgrades
The following table shows the relationship be
functionality of the ZEN CPU Unit and ZEN S
Note 1. The number of the system software versirelated to the model number. The systCPU Units with LCDs can be read by sfrom the OTHER Menu. “V02.00” will be software version for V1 CPU Units.
Date ofupgrade
CPU Unit
Systemsoftwareversion
Main changes
January
2002
Ver. 1.10 The following functions were added to the CPU
Units with LCD displays.• A Clear Display function
• A Day/Month display object (DAT1)
T
w2
May2003
Ver. 2.00 • The number of timers, counters, weekly tim-ers, calendar timers, and display areas wasincreased from 8 to 16 each and the numberof holding timers was increased from 4 to 8.(See note 2.)
• A new CPU Unit with 20 I/O points wasadded. (See note 2.)
• The input circuits of CPU Units with DC
power supply were made compatible withboth PNP and NPN.
• A password input was added to the memoryall clear function for CPU Units with LCDs.
Note The model numbers of CPU Units with10 or 20 I/O points end in “-V1.”
Tw3
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Version Upgrades
2. Memory Area Comparison between V1 and
7-1 Application Precautions for DifferenceVersions
Memory Cassette Compatibility
Be aware of the following restrictions when usingcontaining a program that was stored from a CPUversion of system software.
Area V1 CPU Units
ZEN-10C@@@-@-V1 ZEN-20C@@@-@-V
CPU Unit input bits I0 to I5 (6 bits) I0 to Ib (12 bits)
CPU Unit output bits Q0 to Q3 (4 bits) Q0 to Q7 (8 bits)
Timers T0 to Tf (16 bits)
Holding timers #0 to #7 (8 bits)
Counters C0 to Cf (16 bits)
Weekly timers @0 to @f (16 bits)
Calendar timers 0 to f (16 bits)
Displays D0 to Df (16 bits)
Work bits M0 to Mf (16 bits)
Holding bits H0 to Hf (16 bits)
Expansion I/O Unit
input bits
X0 to Xb (12 bits)
Expansion I/O Unitoutput bits
Y0 to Yb (12 bits)
Analog comparators A0 to A3 (4 bits)
Comparators P0 to Pf (16 bits)
Version of CPU Unit used towrite the Memory Cassette
Version of CPU Unit used to read the
Ver. 1.00 Ver. 1.10 Ver. 2
10 I/O p
Ver. 1.00 OK OK OK
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Version Upgrades
2. Only the memory area ranges supportUnits can be used for Timers, Holding TiTimers, Calendar Timers, and Displays (
3. Only 6 inputs and 4 outputs can be usedAny others will be ignored.
Compatibility of Programs Depending on Support Software
Note 1. The new display functions (display cleadisplay: DAT1) cannot be used and will b
2. Only the memory area ranges support
Units can be used for Timers, Holding TiTimers, Calendar Timers, and Displays (
7-2 CPU Units Covered in this Manual
The material in this manual is based on the mCPU Units. If you are using a pre-V1 CPU Uthe memory areas will be different. Refer to p
Also, the I/O circuits and I/O terminal arrangeDC power supply different between V1 anddescribed in the following table. Refer to page
CPU Unit system software Support Sof
Ver. 1.00ZEN-SOFT01
Ver. 2.0ZEN-SOFT0
Ver. 1.00 OK OK
Ver. 1.10 Restrictions(See note 1.)
OK
Ver. 2.00(V1 CPU Units)
10 I/O points Restrictions(See notes 1 and2.)
Restrictions(See note 2.
20 I/O points Not applicable. Not applicab
CPU Unit I/O circ
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Version Upgrades
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This section gives an outline of the ZEN, including example configurations and basic operations.
1-1 Outline . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-2 Features and Part Names . . . . . . . . . . . . . . . . . . . . . . . .
1-2-1 Features and System Configuration . . . . . . . .
1-2-2 Part Names . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-3 Display Screen and Basic Operations . . . . . . . . . . . . . .
1-3-1 Screens . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-3-2 Basic Operation . . . . . . . . . . . . . . . . . . . . . . .1-4 Memory Areas . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
1-5 Allocating I/O Bit Numbers. . . . . . . . . . . . . . . . . . . . . .
1-6 Preparations for Operation. . . . . . . . . . . . . . . . . . . . . . .
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Outline
1-1 Outline
The ZEN Programmable Relay is an extremely
controller that provides 10 programmable I/O pooutputs) to enable low-cost, small-scale automanew model that provides 20 programmable I/O p8 outputs) along with 16 of each of the followindisplays, etc.
In this manual, the ZEN Programmable Relay is the “ZEN.”
The ZEN comes in basically two types: LCD and
• LCD Type: LCD screen and operation button
• LED Type: No LCD screen or operation butt
The following pages provide a few examples omeets a wide variety of application needs.
Low-cost, Small-scale Automatic ControlOne CPU Unit provides 12 inputs and 8 outputs20 I/O points).
Easy Operation with an Inexpensive ControllerLadder programming is possible directly from a
Ladder programs can be easily copied to low-Units by using Memory Cassettes (optional).
Water-supply facilities inapartments, lighting control in
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Outline
Smaller Control PanelsThe ZEN is very small at 90 x 70 x 56 mm (essentially anywhere.
Note Dimensions are 90 x 122.5 x 56 mm (H with 20 I/O points.
Less Assembly and Wiring Time Required for CoSimple one-touch DIN Track mounting. Builtso only power supply and I/O circuit wiring re
Solid wires can be easily connected using on
Refer to page 33.
Future System Expandability
I/O capacity can be expanded to up to 24 inconnecting 3 Expansion I/O Units.
Refer to page 9 and 33.
70 mm
90 mm
CPU Unit with10 I/O points
CPU Unit Expansion I/O Units (up to 3)
O li
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Outline
Power Failure CountermeasuresEEPROM backs up the program and system sepower is supplied to the ZEN.
Use a Battery Unit (optional) to back up work counters, and date/time data.
Refer to page 96.
Easy Saving and Copying of ProgramsUse an optional Memory Cassette to easily save
Refer to page 97.
Programming and Monitoring from a Personal ComWindows-based ZEN Support Software is avail
complete simulation function.
Refer to page 99.
BatteryUnit
Ladder programdata/settings.
Memory Cassette
ZEN SupportSoftware(CD-ROM)
O tli
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Outline
Refer to page 45.
AC InputsFor CPU Units with AC power supply inputs, directly connected.
Refer to page 35.
Easy Program DesignThere are 4 different operations that can be holding bits also can be easily programmed.
Refer to page 58.
Complicated Timers without Additional ProgrammAny of the 16 timers support 4 types of o
8 A max.
MC
250 V
Circuit protector
100 to 240 VAC
L N
Ry
-[Q0 Normal operation-SQ0 Set operation-RQ0 Reset operation
-AQ0 Alternate operation
Outline
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Outline
Incremental and Decremental CountersThere are 16 built-in counters that can be switc
menting and decrementing.
Use Comparators to enable programming mulcounter.
Counters: Refer to page 70.
Comparators: Refer to page 79.
Season- or Day-dependent Operating TimesCPU Units with built-in calendar and clock functtimers and 16 calendar timers. Seasonal control endar timers and day/time control is possible wit
Weekly timers: Refer to page 72.
Calendar timers: Refer to page 74.
Direct Analog InputsCPU Units with DC power supply inputs have 2 ato 10 V) and 4 analog comparators.
Refer to page 75.
C
D
R
CNT
Control number of cars enteringand leaving a car park.
MO FR−
SA SU−
For gardens, parks, andrecreational ponds.
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Features and Part Names
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Features and Part Names
Exporting Systems OverseasDisplay for LCD-type CPU Units is available in 6
mertime function also supported.
Changing display language: Refer to page 50.Summertime settings: Refer to page 93.
Programming SecurityPrograms can be protected by setting a passwor
Refer to page 88.
1-2 Features and Part Names1-2-1 Features and System Configuration
The ZEN is small but has a wide range of funcuse. The ZEN facilitates small-scale automatic co
LCD-type CPU Unit Features• Simple button-operated programming.
• Highly visible, backlit LCD.
• Adjustable automatic cutout time for the bac
Adj bl f h LCD
ENGLISHJAPANESEGERMANFRENCHITALIANSPANISH
3 9 5 4
PASSWORD
0000
RUN
Features and Part Names
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Features and Part Names
LCD-type and LED-type CPU Unit Features• Both 100 to 240-VAC and 24-VDC pow
able.
• Built-in analog comparator for temperaanalog applications (provided on CPU Uply inputs, two analog inputs 0 to 10 V).
• Input filter settings to prevent noise-relatCPU Units and Expansion I/O Units.
• Program and settings data backed up on
• Programming using ladder diagrams.
• Password function to protect programs.
LCD/LED-typeCPU Unit
ZEN-BAT01Battery Unit
Expansion I/O Units (up to
Programs can besaved and copied
by using aMemory Cassette(optional).
Personal computerconnecting cable
ZEN-SOFT01-V3
ZEN SupportSoftware
Relay outputs h(8A at 250 VAC)switch 0.5 A at 2All outputs havefor CPU Units wone common foroutputs.
Programs can be created, edited,and operation can be simulated u
ZEN-ME01MemoryCassette
Work bits, holdingtimer data, counterdata, anddate/time data willbe backed up
during long-termpower supplyinterruptions if aBattery Unit(optional) ismounted.
With CPU Units with 10 I/O points, up to 18 inputs andExpansion I/O Units are connected.
With CPU Units with 20 I/O points, up to 24 inputs andExpansion I/O Units are connected.
Features and Part Names
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Features and Part Names
1-2-2 Part Names
LCD-type CPU Units with 10 I/O Points(with LCD and Operation Buttons)
Power supply Inputs Outputs Inputfilter
Analoginputs
Caledar/t
100 to 240VAC, 50/60Hz
100 to240 VAC
Notiso-lated
6 Relays 4 Yes No Yes
24 VDC 24 VDC Yes
Tran-sistors
Left Side
Battery Unit connector(Remove the seal toconnect the Battery Unit.)
Front
Power supplyterminals Input terminals
LCD Operationbuttons
Output terminals
ZEN Support Software connector(also used for Memory Cassette.)
Righ
Removeconnect
ZEN Support Software connector(also used for Memory Cassette.) Remove
connect
Features and Part Names
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LCD-type CPU Units with 20 I/O Points(with LCD and Operation Buttons)
Power supply Inputs Outputs Inputfilter
Analoginputs
100 to 240VAC, 50/60Hz
100 to240 VAC
Notiso-lated
12 Relays 8 Yes No
24 VDC 24 VDC Yes
Tran-sistors
Q4
I 6 I 7 I 8 I 9 I a I b
Q6Q5 Q7
20C1AR-A-V1
Left Side
Battery Unit connector(Remove the seal toconnect the Battery Unit.)
Fron t
Power supplyterminals Input terminals
LCD Operationbuttons
Output terminals
ZEN Support Software connector(also used for Memory Cassette.)
Features and Part Names
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LED-type CPU Units with 10 I/O Points(without LCD/Operation Buttons)
The ZEN is also available in an LED type that pr
functionality, but no direct programming input. Thware or a Memory Cassette containing a program
Indicators
Power supply Inputs Outputs Inputfilters
Analoginputs
Caledar/t
100 to 240VAC, 50/60Hz
100 to240 VAC
Notiso-lated
6 Relays 4 Yes No No
24 VDC 24 VDC Yes
Tran-sistors
Name Color Meaning
Left Side Front
Power supplyterminals Input terminals
Right Side
Battery Unit connector(Remove the seal toconnect the Battery
Unit.)
Output terminals
Personal computerconnector (also used forMemory Cassette.)
LED indicators
Expansiconnect
Remove this co
connect Expans
Features and Part Names
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LED-type CPU Units with 20 I/O Points(without LCD/Operation Buttons)
Indicators
Power supply Inputs Outputs Inputfilters
Analoginputs
100 to 240VAC, 50/60Hz
100 to240 VAC
Notiso-lated
12 Relays 8 Yes No
24 VDC 24 VDC Yes
Tran-sistors
Name Color Meaning
POWER Green Lit Power supplied
Not lit No power
RUN Green Lit Operating (RU
I 6 I 7 I 8 I 9 I a I b
20C2AR-A-V1
Q4 Q6Q5 Q7
Left Side Front
Power supplyterminals Input terminals
Righ
Battery Unitconnector(Remove theseal to connectthe Battery Unit.)
Output terminals
Personal computerconnector (also used forMemory Cassette.)
LED indicatorsRemcon
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Features and Part Names
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Expansion I/O Units
No. of I/OPoints
Inputs O
8 I/O 100 to 240 VAC, 50/60Hz
Isolated 4 Relays
24 VDC Isolated 4 Relays
Transis-tors
4 inputs 100 to 240 VAC, 50/60
Hz
Isolated 4 ---
24 VDC Isolated 4 ---
4 outputs --- --- --- Relays
Left Side Front
Input terminals
Expansion Unit connector Output terminals Expansio
Display Screen and Basic Operations
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1-3 Display Screen and Basic Operati
The display screen for the LCD-type CPU Units a
the buttons are shown below.
Icon Meanings
LCD ALT ButtonDEL Button
CB
ESC Button OK Button
RUN ERR
Icon Meaning
RUN Displayed while in RUN mode.
ERR Indicates an error.
Displayed when there is a higher-levprogram line than the one currently
Displayed when there is a lower-leveprogram line than the one currently
Displayed when a password has bee
Display Screen and Basic Operations
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Operation Button Names and Operations
Button Function
Menus Writing ladder program Setting para
DEL --- Deletes inputs, outputs, con-nection lines, and blanklines.
---
ALT --- Switches between normallyopen and normally closedconditions.
Changes to connection linewrite mode.
Inserts a line.
---
Up Moves the cur-sor up anddown.
Moves the cursor up anddown.
Selects bit types and func-tions.
Moves the cand down.
Changes nuand paramet
Down
Left --- Moves the cursor right andleft.
Moves the cright and leftRight
ESC Returns to thepreviousscreen.
Cancels the setting andreturns to the previous oper-ation.
Cancels the and returns tprevious ope
OK Selects the
menu item atthe cursorposition.
Confirms the setting. Confirms the
Display Screen and Basic Operations
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1-3-1 Screens
STOP ModeWhen power is turned ON
When Expansion I/O Unitis connected.
Display Function Screen
Note: The display will beblank if the display function isnot being used.
(User-
specifiedmessage)
RUN ModeWhen power is turned ON
When Expansion I/O Unitis connected.
Display Function Screen
Note: The display will beblank if the display functionnot being used.
(User-
specifiedmessage)
STOP Mode
PROGRAM
RUN
PARAMETER
SET CLOCK
PARAMETER
SET CLOCK
LANGUAGE
OTHER
M
S
P
S
R
P
S
L
O
R
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Display Screen and Basic Operations
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Menu Screen Configuration
MONITORSTOPPARAMETERSET CLOCK
RUN
RUN Mode Ladder Monitor Screen
The ON/OFF status of input bmonitoring the ladder progra
Switches to STOP mode.
The operation status of the timers, countcomparators can be monitored and the sduring operation. Refer to page 25.
STOP Mode Ladder Program E
(Refer to page 23PROGRAMRUNPARAMETERSET CLOCK
EDIT PROGDELETE PROGCASSETTE
Deletes ladderparameters.
Memory Casse(Refer to page
SAVELOADERASE
Switches to RUN mode.
Note: DisplayedCassette is mo
Changes the settings for timers, counters, and(Refer to page 28.)
Date and Time Settings (Refer to page 51.)
PROGRAMRUNPARAMETERSET CLOCK
SET CLOCKSUMMER TIME
SET CLOCKyy/mm/dd00/01/0100:03(SA)
Set when shipp
use summer tim
Display Language Settings (Refer to page 50.)
RUNPARAMETERSET CLOCKLANGUAGE
LANGUAGE The display language can b
English, Japanese, Germa
Display Screen and Basic Operations
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Other Submenus
PASSWORDCONTASTBACKLIGHTINPUT FILTER
PASSWORD
0000
Setting Passwords (Refer to page 88.)
Set a password wheprograms from being
setting range is 0000
CONTRAST
@@
Adjusting Contrast (Refer to page 93.)
INPUT FILTERMODEM ININODE NOSYSTEM INF
Adjust the contrast wfaint and difficult to rto read. There are 5
BACKLIGHT
2min
Changing Cutout Time for Backlight (R
Set the automatic cuin the LCD screen.
2 min, 10 min, 30 mi
INNEREXP1EXP2
EXP3
Setting Input Filters (Refer to page 90
Set the input filters toUnit or Expansion I/Onoise or chattering m
“EXP1” to “EXP3” wion the number of Exconnected.
Do not use. For future system expans
NODE NO
Setting Node Number (Refer to page
Set to the node num
ZEN Support Softwa0
U02.00030218INT:I06004EX1:I04004
Reading System Information (Refer to
Read system informaUnit software versioncreated, the number Unit or the Expansion
not LCD, RTC, or ansupported.
EX2:I04000
EX3:I00004RMT:I00000LCD:YES
RMT:I00000LCD:YESRTC:YESADC:YES
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Display Screen and Basic Operations
E l O ti i th L dd P Edit S
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Example Operation in the Ladder Program Edit SThe highlighted curstial write position. D
display, the cursor caor output write positio
Up/Down Buttons: Msor up and down.
Left/Right Buttons: Msor Left/Right.
Press the OK Buttontion to display the inpthe normally open cflash.
• Flashing CursorUp/Down ButtonRight Button: Mo
to the right.OK Button: Setsthe flashing curposition.
• Flashing Cursor Up/Down Buttoaddress.
OK Button: Combit.
• Switching betweNormally ClosedYou can use thbetween the N.Oregardless of the
cursor.When the first inputhighlighted cursor mposition.
SelectProgram/
Edit .
Line No.atcursor
Highlighted cursor
Display Screen and Basic Operations
Press the ALT Button
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Press the ALT Button cursor in the input writinthe cursor to a flashing
connecting lines to be drUp/Down Buttons: Drawlines.
Left/Right Buttons: Drawing lines.
Press the Right Button twthe output bit. The curshighlighted cursor at the tion.
Press the OK Button atposition to display the dwill flash.
• Flashing Cursor at t
tionUp/Down Buttons: outputRight/Left Buttons: cursor.OK Button: Sets thethe flashing cursorposition.
• Flashing Cursor at put Function) PositioUp/Down Buttons: Soutput functionOK Button: Sets thfunction and movesto the bit address po
• Flashing Cursor at PositionUp/Down Buttons: SOK Button: Complet
Display Screen and Basic Operations
Example Parameter Settings Screen Operation
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Example Parameter Settings Screen OperationWhen Parameter is settings are displayed
(1) Selecting Parameters to DisplayPress the OK Buttolighted cursor to a fla
Use the Up/Down Btimer.
When multiple paramhave been selected,
tons to scroll throughPress the Left Buttotype, move the flashiposition and use thselect the bit type.
Move the flashing cution and use the Up/
another bit type.
(2) Setting and Changing Parameters
Use the Left/Right Blighted cursor to the p
SelectParameters
on menuscreen.
/
/
Display Screen and Basic Operations
Use the Left/Right or U
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Use the Left/Right or Umove the highlighted curto be set.
Press the OK Button to tion. The cursor will chansor.
Use the Left/Right Buttoto be set.
Use the Up/Down Butvalue of each digit.
Press the OK Button to c
Press the ESC Button ttings.
Note If the ESC Button is pressed while ladder prsettings are being input, the input to that poand the settings will return to the original sett
Memory Areas
1-4 Memory Areas
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1-4 Memory Areas
I/O, Work, and Internal Holding Bits
Name Type Bitaddresses
No.of
bits
Function
CPU Unitinput bits
I 0 to 5 6 CPU Unitswith 10 I/O pts
Reflect the ON/Ostatus of the inpdevices connectthe CPU Unit in
minals.
0 to b 12 CPU Unitswith 20 I/O pts
ExpansionI/O Unitinput bits
X 0 to b 12 Reflect the ON/OFF status of thedevices connected to the ExpanI/O Unit input terminals.
Buttonswitches
B 0 to 7 8 Turn ON when the operation butare pressed in RUN mode. Can oused for LCD-type CPU Units.
Analogcompara-tor bits
A 0 to 3 4 Output the comparison result forlog inputs. Can only be used for mwith a 24-VDC power supply.
Compara-tor bits
P 0 to f 16 Compare the present value of tim(T), holding timers (#), and coun(C), and outputs the comparison
CPU Unitoutput bits
Q 0 to 3 4 CPU Unitswith 10 I/O pts
Output the ON/Ostatus of the outbits to the outpudevices connectthe CPU Unit.
0 to 7 8 CPU Unitswith 20 I/O pts
ExpansionI/O Unitoutput bits
Y 0 to b 12 Output the ON/OFF status of thebits to the outputs devices conneto the Expansion I/O Unit.
Work bits M 0 to f 16 Can only be used within the prog
Cannot output to an external dev
Holdingbits
H 0 to f 16 Same as for work bits however tholding bits maintain ON/OFF stwhen power is turned OFF.
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Allocating I/O Bit Numbers
1-5 Allocating I/O Bit Numbers
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1 5 Allocating I/O Bit Numbers
For CPU Units with 10 I/O points, the input b
output bit addresses Q0 to Q3 are always alloFor CPU Units with 20 I/O points, the input boutput bit addresses Q0 to Q7 are always allo
Up to 3 Expansion I/O Units can be added anto Xb and output bit addresses Y0 to Yb are aUnits are connected.
Connection Example for 4-point Expansion InputExpansion Output Unit, and 8-point Expansion I/
CPU Units with 10 I/O Points
CPU Units with 20 I/O Points
Input bitaddress
CPU Unit(10 I/O points)
ExpansionI/O Unit 1(4 inputs)
ExpansioI/O Unit 2(4 output
Output bitaddress
I0 I1 I2 I3 I4 I5 X0 X1 X2 X3
IN
0
IN
1
IN
2
IN
3
IN
4
IN
5
IN
0
IN
1
IN
2
IN
3
OUT0
OUT1
OUT2
OUT3
OUT0
OUT1
OUT2
Q0 Q1 Q2 Q3 Y0 Y1 Y2
ExpansionI/O Unit 1(8 I/O points)
Expans
I/O Unit(8 I/O p
Input bitaddress
Output bit
I0 I1 I2 I3 I4 I5 X0 X1 X2 X3 X4 X5 X
IN0
IN1
IN2
IN3
IN4
IN5
IN0
IN1
IN2
IN3
OUT0
OUT1
OUT2
OUT3
OUT0
OUT1
OUT2
OUT3
OUT0
OUT1
O
Q0 Q1Q2 Q3 Y0 Y1 Y2 Y3 Y4Y5 Y
CPU Unit(20 I/O points)
I6 I7 I8 I9 Ia Ib
IN0
IN1
IIN6
IN7
IN8
IN9
INa
INb
OUT4
OUT5
OUT6
OUT7
Q4 Q5Q6Q7
Preparations for Operation
1-6 Preparations for Operation
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1 6 Preparations for Operation
Mount ZEN to Control Panels
The ZEN can be mounted to either aDIN Track or directly onto the surfaceof the control panel. Refer to page 32.
Connect Power Supply, Input, and OutputDevices
Wire the ZEN to the power supply, input, andoutput devices. Refer to page 33.
Make Initial Settings
Make the settings required beforeprogramming, such as date, time, anddisplay language. Refer to pages 50and 51.
Write Program
Input the ladder program, includingtimers, counters, and other parameters.
Use the ZEN Support Software whenusing the LED-type CPU Units (withoutLCD or operation buttons.) Refer topage 52.
Check Program ExecutionPerform trial operation before starting actualoperation and check that the system isoperating correctly. Refer to page 62.
DIN Track
Powersupply
Output
L o a d
L o a d
L o a d
ON
LCD-type CPUUnit
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Installatio
This section explains how to mount and wire the ZEN CPU Units and
2-1 Mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
2-1-1 Installation Method . . . . . . . . . . . . . . . . . . . .
2-1-2 Connecting Expansion I/O Units . . . . . . . . . .
2-2 Wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
Mounting
2-1 Mounting
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g
2-1-1 Installation Method
Always mount the ZEN inside a control panel. Thmounted to the surface of the control panel or on
OrientationDo not mount the ZEN in any orientation other ththe following diagram.
Mounting to DIN Track
Mounting Inside a Control PanelUse M4 screws to mount the ZEN.
Top
Bottom
1 Pull down the hookon the bottom of theZEN.
2 Hang the slot at theback of the ZEN on tothe top of the DINTrack.
3 Attach the ZEN to theDIN Track.
B4.5
5.5
Wiring
2-1-2 Connecting Expansion I/O Units
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Up to 3 Expansion I/O Units can be connecte
Note 1. Do not remove the Expansion Unit connedge of the connected Expansion Unit.
2. Be careful when inserting the screwdrive
too far and damage the base or the elem
2-2 Wiring
General Wiring Precautions
External Wiring
Do not run ZEN I/O lines in the same duct or
Hanging Ducts
Leave at least 300 mm between the power catrol wiring, as shown in the following diagram
1 Remove the Expansion Unit connector coveron the side of the CPU Unit.
2 Line up the connectors on the connectors on the CPU Unit an
Insert a flat-bladescrewdriver orsimilar tool andremove the cover. Make sure the connecto
the Expansion I/O Unit atogether.
I/O lines
Control cables and
3
Wiring
Floor Ducts
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Leave at least 200 mm between the wiring and thshown in the following diagram.
Conduits
Separate the ZEN I/O lines, power and contrcables, as shown in the following diagram.
Do not run ZEN I/O lines in the same duct or con
Connectable Wires• A terminal block designed for solid wires is u
when wiring.
MeI/O linesControl cables andpower lines Power cables
I/O linesControl cables andpower lines Power cables
Solid wires Stranded wires
One-line connec-tion 0.2 to 2.5 mm2
0.2 to 2.5 mm2
(Equivalent to AWG 24 to 14.)
Two-line connec-tion
0.2 to 0.75 mm2 0.2 to 0.75 mm2 (Equivalent to AWG 24 to 19)
Wiring
• Twisted wires can cause shorts so neverwires Always connect a straight crimp
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wires. Always connect a straight crimp wires.
• Use a flat-blade screwdriver to tighten th
Wiring Power Supply and Input Lines
AC Power Supplies
!WARNING Do not connect the isolated side (L) and treverse. Wire the L side to the AC input c
!Caution Tighten the AC power supply terminals0.6 N·m. Loose screws can result in fire o
CPU Units with 100 to 240-VAC Power S
• To prevent voltage drops due to starting rents in other devices, wire the ZEN porately from other power circuits.
• When using more than one ZEN, to prev
inrush current and circuit-breaker mamended that each one is wired separatel
• To prevent the influence of noise frompower lines. Wiring via a 1-to-1 isolateffective.
• Use wires that are thick enough to allowcurrent variations within the allowable ra
Insulatedsleeve
Bar terminal
Circuitprotector
AC power supply
Isolation
Wiring
CPU Units with 10 I/O Points (V1 and Pre
C
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CPU Units with 20 I/O Points
Expansion I/O Units
Note 1. Observe the power supply polarity when wir
100 to 240 VAC, 50/60 Hz, 30 VA
L N
Circuitprotector Input device
CPU Unit with10 I/O points
I6NC I7 I8 II5I0 I1 I2 I3 I4NC
L N
Circuitprotector
CPU Unit with20 I/O points
L N
CircuitprotectorCircuitprotector Input device
Expansion I/O Unit (AC input type)
ON ≥ 80 VOFF ≤ 25 V
Wiring
• Example: Connecting to a CPU Unit
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• Example: Connecting to an Expansion I/
a) Use a resistance that satisfies bothtions.
300k330k
L
R
N
I0 to I5
51k
Two-wiresensor
R
IN
COM
83k
4.7kTwo-wiresensor
R (Ω) ≤Max. OFF-voltage for A
Sensor’s max. leakage
R (Ω) ≤Voltage supplied to sen
Min. current for which tsensor’s OFF residual
Wiring
DC Power Supplies
CPU U i i h I O P i
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CPU Units with 10 I/O Points
Connecting a Negative Common (V1 CPU
Connecting Analog Input Devices (Input to Input Terminals I4 and I5
Connecting Positive Common (V1 CPU U
COM
CPU Unit with10 I/O points
Input device
24 VDC, 6.5 WNote: Supply powe
terminal at thto the power
COM
CPU Unit with10 I/O points
DC power supp
24 VDC, 6.5 W
Note: When cinput dethe negtermina
Input device
24 VDC, 6.5 W
Note: 1. If a poanalogbe con
2. Suppltermint th
Wiring
Connecting to Pre-V1 CPU Units
24 VDC 6 5 W
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Connecting Analog Inputs (Input Rangto Input Terminals I4 and I5 (Pre-V1 C
CPU Units with 20 I/O Points
Connecting a Negative Common (V1 C
CPU Unit
Input device
24 VDC, 6.5 W
+ –
Not
DC powe
24 VDC, 6.5 W
CPU Unit
COM I5 I6NC I7 I8 I9 Ia IbI0 I1 I2 I3 I4
CPU Unit with20 I/O points
Inp
24 VDC, 6.5 W Note: Supply pterminal ato the po
Wiring
Connecting Analog Input Devices (Input to Input Terminals Ia and Ib
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p
Connecting Positive Common (V1 CPU U
Expansion I/O Units
COM I5 I6NC I7 I8 I9 Ia IbI0 I1 I2 I3 I4
− +
CPU Unit with20 I/O points
D
24 VDC, 6.5 W
COM I5 I6NC I7 I8 I9 Ia IbI0 I1 I2 I3 I4+ −Input device
24 VDC, 6.5 W
Note: 1. If a poanalogbe con
2. Supplyterminto the
Expansion I/O Unit(with DC Power Input)
Input device
24 VDC, 6.5 W
ON ≥ 16 VOFF ≤ 5 V
Wiring
Precaution 1. Do not connect the + and - DC power suUnits with DC power supplies.
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2. With V1 CPU Units, both PNP and NPN s
ed to DC input circuits.
Connecting PNP Sensors
Connecting NPN Sensors
I0 to I3(I0 to I9)
− (COM)
4.1 kΩ 750 Ω
2 , 2
0 0
p F
PNPoutput
+ (power supply)
I0 to I3(I0 to I9)
(COM)
+−
4.1 kΩ
2 , 2
0
0
p F
750 ΩNPNoutput
Wiring
Input Devices
The following table shows how to connect variou
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g
Note Do not use the following wiring with voltage-o
Device Circuit diagram
Relay output
NPN open collector
NPN current output
PNP current output
Voltage output
IN
COM
IN
COM
Sensorpower supply
Output
0 V
Use the i
IN
CO
Output
0 V
Constantcurrentcircuit
+
Sensor powersupply
COM
0 V
INOutput
Sensor powersupply
IN
COM
0 V
Wiring
3. Use only PNP sensors for pre-V1 CPU Unot be connected directly. To connect anthrough a relay or connect external resis
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through a relay or connect external resisBe sure to allow for the reverse logic that
of connection
• Connecting to I0 to I3
a) When an NPN sensor is connectedtance R of at least 1 kΩ and 2 W.
b) Use a power supply voltage of at leasor.
• Connecting to I4/I5
680 Ω
4.1 kΩ1 kΩ
20.4 VDC
min.
I0 to I3NPNoutput
Ic
Externalresistance
150 kΩ 8 2
k Ω
20.4 VDCmin.
I4, I52.4 kΩ
2 7
k Ω
NPN
output
c
Externalresistance
Wiring
Leakage Current from Input Devices
A leakage current can cause false inputs when u
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(proximity switches or photoelectric switches) o
LEDs. False inputs won’t occur if the leakage 1.0 mA. If the leakage current exceeds this varesistor in the circuit to reduce the input impedanfollowing diagram.
R ZEN
Input powersupply
Bleederresistor
2-wire sensor, etc.
I: Device's leakage current (mA)R: Bleeder resistance (kΩ)W: Bleeder resistor's power rating (W)
The equations above were derived from the following equa
LC: ZEN's inputIC: ZEN's input EC: ZEN's OFF
Refer to page 112 Input Specifications for details on the vaThe input impedance, input current, and OFF voltage may input being used. (IN00000 through IN00002 have different
R =Lc × 5.0
I × Lc − 5.0 kΩ max. W =2.3
R W
R × Input voltage (24)
Input Current (Ic)
R +Input voltage (24)
Input Current (Ic)
I × ≤ OFF voltage (Ec: 5.0)
W ≥ Input voltage (24)
R× Input voltage (24) × tolerance
Wiring
Inductive Loads
When connecting an inductive load to an inll l ith th l d Th di d h ld ti
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parallel with the load. The diode should satis
ments:1,2,3... 1. Peak reverse-breakdown voltage must
load voltage.
2. Average rectified current must be 1 A.
Wiring Output Circuits
(1) Relay Output Type
For CPU Units with 10 I/O points, all 4 outputcuits have independent contacts. For CPU Uoutputs Q0 to Q3 in the relay output circuitstacts and outputs Q4 to Q7 have 2 points per
There are no particular restrictions on polarity
IN
COM
ZENDiode
Q0 Q1 Q2 Q3
CPU Unit with 10 I/O points
L o a
d
L o a
d
L o a
d
L o a
d
The V1 left. WirCPU Un
CPU Unit with 20 I/O points
Wiring
Expansion I/O Unit
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(2) Transistor Output Type
For CPU Units with 10 I/O points and Expansion
puts in the transistor output circuits have indepCPU Units with 20 I/O points, outputs Q0 to Q3 put circuits have independent circuits and outpupoints per common.
The terminals have polarity given on the terminalem will result from reversing the connection posupply and load.
OUT0 OUT1 OUT2 OUT3
L o a d
L o a d
L o a d
L o a d 250 VAC, 8 A (cosφ
24 VDC, 5 A
Q0+−
Q1 Q2 Q3+− +− +−
CPU Unit with 10 I/O points
L o a d
L o a d
L o a d
L o a d
L o a d
The V1 CPUleft. Wiring isCPU Units.
Q0 Q1 Q2 Q3+−
Q4 Q5 Q6+− +− +− +− + −+
CPU Unit with 20 I/O points
L o
a d
L o
a d
L o
a d
L o
a d
L o
a d
L o
a d
L o
a d
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Programming and Opera
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g g p
This section explains how to create and edit ladder programs and how comparators, display function and buttons switches.
3-1 Selecting Display Language . . . . . . . . . . . . . . . . . . . . .
3-2 Setting the Date and Time . . . . . . . . . . . . . . . . . . . . . . .
3-3 Creating Ladder Programs . . . . . . . . . . . . . . . . . . . . . . . 3-3-1 I/O Wiring and Internal Operation . . . . . . . . . . .3-3-2 Clearing Programs . . . . . . . . . . . . . . . . . . . . . . .3-3-3 Writing Ladder Programs . . . . . . . . . . . . . . . . . .
3-4 Confirming Ladder Program Operation. . . . . . . . . . . . .
3-5 Correcting Ladder Programs . . . . . . . . . . . . . . . . . . . . .3-5-1 Changing Inputs . . . . . . . . . . . . . . . . . . . . . . . . .3-5-2 Changing Additional Bit Output Functions . . . .3-5-3 Deleting Inputs, Outputs, and Connection Lines3-5-4 Inserting Lines . . . . . . . . . . . . . . . . . . . . . . . . . .3-5-5 Deleting Blank Lines . . . . . . . . . . . . . . . . . . . . .
3-6 Using Timers (T) and Holding Timers (#) . . . . . . . . . . .3-6-1 Settings in the Ladder Program Edit Screen. . . .3-6-2 Settings in the Parameter Settings Screen . . . . .3-6-3 Parameter Monitor Screen Display. . . . . . . . . . .
3-7 Using Counters (C) . . . . . . . . . . . . . . . . . . . . . . . . . . . .3-7-1 Settings in the Ladder Program Edit Screen. . . .3-7-2 Settings in the Parameter Settings Screen . . . . .3-7-3 Parameter Monitor Screen Display. . . . . . . . . . .
3-8 Using Weekly Timers (@) . . . . . . . . . . . . . . . . . . . . . . .3-8-1 Settings in the Ladder Program Edit Screen. . . .3-8-2 Settings in the Parameter Settings Screen . . . . .3-8-3 Parameter Monitor Screen Display. . . . . . . . . . .
3-9 Using Calendar Timers (*). . . . . . . . . . . . . . . . . . . . . . .3-9-1 Settings in the Ladder Program Edit Screen. . . .3-9-2 Settings in the Parameter Settings Screen . . . . .3-9-3 Parameter Monitor Screen Display. . . . . . . . . . .
3-10 Analog Inputs (Analog Comparators (A))
Selecting Display Language
3-1 Selecting Display Language
There is a choice of 6 display languages for LCD-ty
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p y g g ydefault language is English.
Operation to Select German
Press the OK Button to
Screen.
Press the Down Button cursor to “LANGUAGE”.
Press the OK Button tolanguage (“ENGLISH”). highlighted and flashing.
Press the OK Button to m“ENGLISH” flash. A diffnow be selected.
Press the Up Button to s
Turn ONthe power.
Use the Up/Down Buttons toselect a language.
SPANISH
ITALIAN
FRENCH
GERMAN
JAPANESEENGLISH
↓
↑
LANGUAGE
Setting the Date and Time
3-2 Setting the Date and Time
The date and time are not set when the product is
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time must be set for models with calendar and ti
ZEN can be used.
Press the OK Buttonfor clock settings. Se
the submenu.
Press the OK Buttodate and time settingdate will be highlighte
Set the date and time
Use the Up / Down Bu
ting.Use the Left / Right Bsor.
The day will automa
PROGRAMRUNPARAMETERSET CLOCK
Select SET CLOCK .
SET CLOCKSUMMER TIME
SET CLOCKyy/mm/dd00/01/0100:03(SA)
Current date: yy/mm/dd
Current time: hh:mm (day)
Days of the week
SU: Sunday
MO: Monday
TU: Tuesday
WE: Wednesday
TH: Thursday
FR: Friday
SA: Saturday
SET CLOCKyy/mm/dd00/01/0100:03(SA)
SET CLOCKyy/mm/dd00/04/0111:35(SU)
Creating Ladder Programs
!Caution If the power supply is turned OFF for an exte(2 days or more at 25°C), the date and timdefault setting (00/1/1; 00:00 (SA)). This m
i l d ti kl ti t
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using calendar timers or weekly timers to ma
mount a Battery Unit for the system if thexpected to be interrupted for an extendpage 96.)
Note 1. The year can be se2099.
2. If Summertime is sethe top right of the during the Summertpage 93.)
3-3 Creating Ladder Programs
Example ProgramThis section explains howgrams for LCD-type CP
simple circuit example.Refer to the ZEN-SOFTSoftware Operation Manmation on programmiUnits.
SET CLOCK Syy/mm/dd01/05/0100:00(TU)
“SS
SW1 SW2 Ry
Ry
Creating Ladder Programs
3-3-1 I/O Wiring and Internal Operation
P l
LSW1 SW2 Connec
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3-3-2 Clearing Programs
Clear the ladder pro
write a program. ByProgram operation, be completely cleaguage, date/time settings will not be initia
Press the OK ButtonScreen and select PR
Power supply
terminals N
SW1 SW2
L N I0 I2 I3I1
I0 I1
Q0
(1) (2)
Q0
(3)
Q0 Q1
Input terminals
Ladderprogram
Output terminals
Load
Connec
to input
When SI0, turnsby (1) inOFF.
When SI1, turns
by (2) inOFF.
If the lain RUNinput bitturns O(indicatturns O
When tON, thetermina
STOP modedisplay
PROGRAMRUNPARAMETERSET CLOCK
Creating Ladder Programs
When the Delete Progbeen completed, the disoriginal screen.
EDIT PROGDELETE PROG
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3-3-3 Writing Ladder Programs
Press the OK Button toScreen and select PROG
Select EDIT PROGRAM
STOP modedisplay
PROGRAMRUNPARAMETERSET CLOCK
EDIT PROGDELETE PROG
Indicates the line numbegram at the cursor posexample.)
Cursor flashing in a reve
Press the OK Button to Program Edit Screen.
Creating Ladder Programs
Operations in the Ladder Program Edit ScreenTwo lines of circuits time on the Ladder P
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• Up to 96 lines ca• Up to 3 inputs a
ten per line.
Positions for Writing Inputs, Outputs, and Connection Lines
• Example ladder diagram
Connectionline
Bit address
Bit type
Ladder program line number at cursorAdditional output functions
Bit address
Bit type
N.C. input
N.O. input
Displayed when there are more lines. Usdisplay the lines.
Displayed when there are more lines. Usdisplay the lines.
Input write positionsBit type/bit numberInput symbol (N.O./N.C) or connec
Bit/timer/counter/ output write positions
Connection line write positi
Creating Ladder Programs
3-3-3-1 Writing an Input for I0
Press the OK Button twrite setting (N.O inpuflashing c rsor to the bit
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flashing cursor to the bitthe Up / Down Buttons toUse the Right Button tcursor to the 0 position aDown Buttons to select t
Press the OK Button twwrite operation for inputcursor will move the next
3-3-3-2 Writing Serial Input I1
Press the OK Button to dand input I0 again.
Press the ALT Button input.
(Press the ALT Button ato a N.O. input.)
Use the Right Button tcursor to the bit address
Up Button to change the
Press the OK Button to mcursor to the next inputtion will automatically binput I0 and the next inpu
Writing InputsInput Symbol Configuration
Bit type
Creating Ladder Programs
Memory Areas
Symbol Name B
I CPU Unit input bits I0 to I 5
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Note 1. I0 to Ib (12 pointI/O points.
2. Q0 to Q7 (8 poinI/O points.
3. Can be used onUnits are connec
4. Can be used onUnits are used.
Timers, Counters, and Analog Comp
Q CPU Unit output bits Q0 to QX Expansion I/O Unit input
bitsX0 to X
Y Expansion I/O Unit outputbits
Y0 to Y
M Work bits M0 to M
H Holding bits H0 to H
B Button switches B0 to B
Symbol NameT Timers T0 to
# Holding timers #0 to
@ Weekly timers @0 t1.)
* Calendar timers *0 to1.)
C Counters C0 to
A Analog comparators A0 to(See
P Comparators P0 to
Creating Ladder Programs
Press the Right Button tline to the output.
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Writing Outputs
Output Configuration
Memory Areas
Note 1. Q0 to Q7 (8 points) fI/O points.
2. Can be used only wUnits are connected
Additional Functions for Output Bits
Bit numberBit type
Additional functions
Symbol Name Bit ty
Q CPU Unit output bits Q0 to Q3 (4
Y Expansion I/O Unit outputbits
Y0 to Yb (12
M Work bits M0 to Mf (16
H Holding bits H0 to Hf (16
Symbol Name
[ Normal operation
S Set operation
R Reset operation
A Alternate operation
Creating Ladder Programs
Additional Functions for Bit Outputs
[: Normal output S: Set R: Reset
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Timers, Holding Timers, Counters, and Display Output Conf
Timers, Counters, and Display Bits
Note 1. These memory a
pre-V1 CPU Uni2. For LCD-type C
3-3-3-3 Writing an Output to Q0
Q0 turns ON and OFFwhen execution condi-tion I0 turns ON andOFF.
Q1 turns ON and staysON when executioncondition I1 turns ONonce.
Q2 is forced OFFwhen execution condtion I2 turns ON.
I0
Q0
I1
Q1
I2
Q2
Timer/couTimer/counte
Timer/counter ou
Symbol Name Type and number
T Timer T0 to Tf (16 timers)
# Holding timer #0 to #7 (8 timers)
C Counter C0 to Cf (16 counters
D Display bit D0 to Df (16 bits)(See note 2.)
Creating Ladder Programs
tons to select additionathe bit address.
Press the OK Button twing output Q0. The hig
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g output Q0 e gmove to the input at the bline.
3-3-3-4 Writing a Parallel Input for Q0
Press the OK Button to move the flashing cursposition.
Press the Up Button to soutput bit).
Press the OK Button twing the parallel input for
cursor will move to the n
3-3-3-5 Drawing Connection Lines for OR Circuits
Drawing Connection Lines
Press the ALT Button w
cursor is at the input writthe cursor to a left flashiconnection lines to be darrow the position for draline and press the Up
Horizont
Vertical
Intersec
Creating Ladder Programs
Press the Up Buttona connection line bottally. The cross (+) in
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Press the OK Buttonconnection line and flashing cursor.
Press the ESC Buttooperation.
Press the ESC ButtoMenu Screen.
Note 1. Do not input a program where the back on themselves. The program wsuch lines are drawn.
2. Always press the ESC Button and reafter creating a program. If you do noand return to the Menu Screen beforethe program and settings will be dele
3. Do not use the same output bit addresput from the program. The resulting expected.
[Q0
[Q0
I0
I1
Here, the final stawill be controlled
by I0.
Confirming Ladder Program Operation
3-4 Confirming Ladder Program Oper
Always check the ladder program operation befo
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Note 1. Before turning ON the power, check that thecircuits, and output circuits have been wired
2. For systems with loads connected to the outserious injury or damage to equipment if opemove the output wiring before performing tri
3. Always ensure safety in the vicinity before tuor switching operating modes.
Procedure for Checking Operation
Checks Before Turning ON the Power
1. Check that the ZEN is mounted and wired co
2. Check that the operation of the ZEN will notpact on the system. Check for any dangers.
3. Turn ON the power supply to the ZEN.Switch to RUN mode while the ZEN is stopp
Operation Checks
4. Turn each input ON and OFF and check thatating correctly.
5. Adjust any problems.
Method for Checking Operation
LCD-type CPUUnits
Check the operation by the flashing input and output disScreen.
LED-type CPUUnits
Connect the ZEN Support Software and check operationfunction. Refer to the operation manual for the ZEN Sup
Confirming Ladder Program Operation
Checking Operation
Changing Operating Mode
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Press the OK ButtoScreen and press ththe flashing cursor to
Press the OK Buttomode to RUN mode.
PROGRAMRUNPARAMETERSET CLOCK
MONITOR
STOPPARAMETERSET CLOCK
RUN
I0 I1
I0 I1
Checking Operations onMain Screen
Press the ESC Button to switch
to the MainScreen.
CheckinLadder
MONITOSTOPPARAME
SET CLRUN
Turn I0 ON. Q0 will turn ON whenI0 turns ON.
I0 ON.
Q0 ON at the sametime.
Turn I0 OFF. Q0 remains ONeven if I0 turns OFF.
I0 OFF.
Q0 ON.
Correcting Ladder Programs
3-5 Correcting Ladder Programs
3-5-1 Changing Inputs
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Change contact Q0 to M
Press the OK Button t
lighted cursor to a flashithe flashing cursor to the
Use the Up/Down Butto
Press the Right Button cursor to the bit addresUp/Down Buttons to chafrom 0 to 1.
Press the OK Button to change.
3-5-2 Changing Additional Bit Output Functi
Change the additional ffor Q0 to S (Set).
Press the OK Button tlighted cursor to a flashin
Press the Left Button tcursor to the additional f
Move thehighlighted cursorto the input to bechanged.
/
Move thehighlighted cursorto the output to bechanged.
Correcting Ladder Programs
3-5-3 Deleting Inputs, Outputs, and Conne
Move the highlightedthe input, output, o
d l t d d th
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deleted and press the
Example: Deleting Serial Input M3
Press the DEL Butto
the related connecttime.
Example: Deleting Vertical Connecting LinesMove the highlightedtion to the right of
deleted. Press thedrawing connection cursor will change to
Press the DEL Buttoconnection line.
3-5-4 Inserting Lines
• To insert a blank line, move the highlighted cursor to the bethe blank line is to be inserted and press the ALT Button.
Press the ALT Button
Move the high-lighted cursor to theposition of the inputto be deleted.
Move the highlightedcursor to the beginningof the next line (the linethat will be after the
inserted line.)
A circuit will be added
Blank line
Correcting Ladder Programs
Press the ALT Button space between the para
The vertical connection lically extended.
Blank line
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Note A blank line cannot be inserted if an input owritten in the last line (the 96th line).
3-5-5 Deleting Blank Lines
To delete a blank line, m
cursor to the input positof the line to be deletedButton.
Press the DEL Button line. All following lines w
Note A line must be blank to be deleted, i.e., lin
and outputs cannot be deleted.
Move the high-lighted cursor to thebeginning of theline to be deleted. This line will be deleted.
Using Timers (T) and Holding Timers (#)
3-6 Using Timers (T) and Holding Ti
The ZEN has 16 built-in timers and 8 built-in holdi
Timers The present value being timed will be reset when the
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Timer Operation (T0 to Tf)
Timers The present value being timed will be reset when themode to STOP mode or the power is turned OFF.
There are four uses of the timer available, dependingselection.
Holding timers The present value being timed is held even when themode to STOP mode or the power is turned OFF. Ththe trigger input turns ON again. The ON status of thwhen the timer times out.
Only ON-delay holding timers are supported.
Timer type Operation
X ON delay
timer
Turns ON
after a setinterval afterthe triggerinput hasturned ON.
OFF delaytimer
Stays ONwhile the trig-ger input isON and turnsOFF after aset intervalafter the trig-ger input hasturned OFF.
O One-shotpulse timer Remains ONfor a set inter-val when thetrigger inputturns ON
Reset input
Trigger input
SettingPresentvalue
Timer bit
0
Reset input
Trigger input
SettingPresentvalue
Timer bit
0
Reset input
Trigger input
SettingPresentvalue
0
Using Timers (T) and Holding Timers (#)
Holding Timer Operation (#0 to #7)
Timer type Operation
X ON delayti l Turns ONft tTrigger input
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Note Only #0 to #3 (4 points) are supported by pre
3-6-1 Settings in the Ladder Program Edit S
Timer triggers, reset outputs, and timer inputs are dProgram Edit Screen. Settings are made on the
Screen.
X ON delaytimer only Turns ONafter a setinterval afterthe triggerinput hasturned ON.
Timer address Timers: T0 to Tf (16 timers)/ Holding Timers: #0 to #7 (8 ti
Trigger input T (TRG) Controls the timer trigger output. Triggers the timinput turns ON.
Reset input R (RES) Controls the timer reset output. When the resetpresent value is reset to 0 and the timer bit turnsare not accepted while the reset input is ON.
Timer bit Turns ON according to the timer type.
Reset inputTrigger input
SettingPresentvalue
Timer bit
0
Timer number
Trigger specification
Timer trigger output
Timer reset output
Reset specification
Time up output
Trigger input
Reset input
Timer address
Timer bit
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Using Counters (C)
3-7 Using Counters (C)
Up to 16 counters can be used in incremental or decpresent value for counters and the status of counte
held even when the operating mode is changed or th
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held even when the operating mode is changed or thruption.
OperationCounter bits turn ON when the count value (presentsetting (present value ≥ set value). The count returturns OFF when the reset input turns ON. Count inp
while the reset input is ON.
3-7-1 Settings in the Ladder Program Edit S
Outputs for the counter input, counter direction, an
written in the Ladder Program Edit Screen. Counter also be written. Settings are made in the Parameter S
I0 (DIR)
I1 (CNT)
I2 (RES)
0000
Set value
Counter bit
Present value
Counter address
Count input specification
Count input
Counter direction
specification inputReset input
Reset specificationCounter address
Output to counter input
Counter direction specifica
Counter direction specificaCounter reset output
Counter bit output
Using Counters (C)
Reset input R (RES) When the reset inpuvalue returns to 0 anOFF. Count inputs areset input is ON.
Count input Turns ON when the counter ha
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Note Only C0 to C7 (8 points) are supported by
3-7-2 Settings in the Parameter Settings S
3-7-3 Parameter Monitor Screen Display
Note 1. To reset the counter present value and
OFF) when at power interruptions or whechanged, create a counter reset circuit wprogram. An example is shown below.
C p s a
Set value 0001 to 9999 (4 decimal digits
Monitor enabled/ disabled
A Operating parametesettings changed.
D Operating paramete
settings changed.
Monitor enable
Set value
Counter address
Counter bit status (: O
Count input status(: OFF/ : ON)
Counter setting
Counter present value
Reset input status(: OFF/ : ON)Counter direction specification
input status (: OFF/ : ON)
RUN
C
Using Weekly Timers (@)
3-8 Using Weekly Timers (@)
Weekly timers turn ON between the specified stathe specified days. Weekly timers have 16 points
O ti
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Operation
3-8-1 Settings in the Ladder Program Edit SWeekly timer inputs are written in the Ladder PSettings are made in the Parameter Settings Scr
Note Only @0 to @7 (8 points) are supported by p
3-8-2 Settings in the Parameter Settings Scr
24:00
17:30
8:15
0:00
Stop time
Start time T
i m e
Day of the week
Mon Tues Wed Thurs Fri
Weekly timerbit
In this example, the weekly timer turns Ofrom Tuesday to Friday between 8:15 an
Weekly timer addresses @0 to @f (16 timers)
Time up output
Weekly timer address
Weekly timer address
Start day
Using Weekly Timers (@)
Time Start time 00:00 to 23:59
Stop time 00:00 to 23:59
Monitorenabled/dis-abled
A Operating paraand settings ch
D Operating para
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Relationship between Start and Stop Days and Times
3-8-3 Parameter Monitor Screen Display
D Operating paratored or setting
Setting and operation Settingexample
O
Start and stopday When start dayis before stopday
MO - FR Operates Monday to
When start dayis after stop day
FR - MO Operates every FridMonday.
When start andstop days arethe same
SU - SU Operates regardles
When stop daynot set
SU - Operates every Sun
Start and stoptime
When start timeis before stoptime
ON: 08:00OFF: 17:00
Operates 8:00 to 17
When start timeis after stop time
ON: 21:00OFF: 06:00
Operates 21:00 to 6
When start andstop times arethe same
ON: 13:00OFF: 13:00
Operates regardless
Weekly timer bit stat(: OFF/ : ON)
Stop day
Start day
Current dayCurrent time
Using Calendar Timers (*)
3-9 Using Calendar Timers (*)
Calendar timers turn ON between specified dateendar timers (*0 to *f).
Operation
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Operation
3-9-1 Settings in the Ladder Program Edit S
Calendar timer inputs are written in the Ladder PSettings are made in the Parameter Settings Scr
Note Only *0 to *7 (8 points) are supported by pre
3-9-2 Settings in the Parameter Settings Scr
Dec 31
End date Sep 1
Apr 1
Jan 1
Start date
Calendar timer
bit The calendar timer bit is ON betweenApril and 31 August.
Calendar timer address *0 to *f (16 timers)
Calendar timer address
Time up output
Calendar timer address
Monitor enabled/disabled
Start dateStop date
Analog Inputs (Analog Comparators (A))
Relationship between Start and Stop Dates
Setting and operation Settingexample
O
Start and stop
date settingsand operation
When start date is
before stop date
ON: 04/01
OFF: 09/01
Operates between
(See note.)
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Note To stop operation on August 31, set the sday (September 1).
3-9-3 Parameter Monitor Screen Display
3-10 Analog Inputs (Analog Compara
Two analog voltage inputs between 0 and 10into the CPU Units with a DC power supply. with 10 I/O points and Ia and Ib for CPU Unitbe used as analog voltage inputs.
The analog input signal is converted to BCresults can be used with one of the comparacomparison outputs can be used as input con
and operation When start date isafter stop date
ON: 12/26OFF: 01/07
Operates betweenJanuary the follow
When start andstop dates are thesame.
ON: 07/26OFF: 07/26
Operates regardles
Start dateStop date
Current date
Calendar timer bit status (: OFF/
RUN
Analog Inputs (Analog Comparators (A))
+ − COM
24 VDC 24 VDC
I 0 I 1 I 2 I 3 I 4 I 5+ − COM
Analog signal input:0.0 to 10.0 VDevice with
analog voltageoutput
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Note Connect the negative side to COM for V1 CPinput circuit may be destroyed if the positive COM.
Operation
Q4
20C1DR-D-V110C1DR-D-V1
(DC power supply type)Analog input 1: I4Analog input 2: I5
DCAnalog input: IaAnalog input: Ib
10.0
00.0
10.510.0
5.2
00.0 10.5 V
• Example 1(When comparison shows analoginput 1 ≥ 5.2 V)
Setting
I l
• Example 2(When comparisinput 1 is ≤ analo
Converted value
Analog Inputs (Analog Comparators (A))
3-10-1 Settings in the Ladder Program Edit
The analog comparator input is written in thScreen. Settings are made in the Parameter
Analog comparator bit
C i lt
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3-10-2 Settings in the Parameter Settings S
Comparison data 1 determines the comparisparing to a constant, the constant is set for cThe operator is specified last.
Analog comparator address A0 to A3 (4 com
Comparison resultoutput
• Comparing Analog Inputsand Constants(When I4 (Ia) ≥ constant)
Analogcomparatoraddress
Comparison data 1
Operator
Monitor enabled/ disabled
Comparison data 2
• Comparing A(When I4 (Ia
Analogcomparatoraddress
C
O
C
Analog compara-tor address
A0 to A3 (4 comparators)
Comparisondata
1 I4: Analog input 1 (I4/Ia)
I5: Analog input 2 (I5/Ib)
Comparison Patterns
• Size comparison betw
• Size comparison betw2 I5: Analog input 2 (I5/Ib)
Analog Inputs (Analog Comparators (A))
3-10-3 Parameter Monitor Screen Display
• Comparing Analog Inputsand Constants
(When I4/Ia ≥ constant)
• Comparing Analog I(When I4/Ia ≤ I5/Ib)
Analog input 1 (I4/Ia) present value Analog inp
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Analog input 1 (I4/Ia) present value
Analog comparatorbit status(: OFF/ : ON)
Analog inp
Ab(
Analog inp
RUN RUN
Comparing Timer/Counter Present Values Using Comparator
3-11 Comparing Timer/Counter PreseUsing Comparators (P)
Timer (T), holding timer (#), and counter (C)
compared. The present values of the same can be compared or they can be compared t
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can be compared, or they can be compared t
Operation
3-11-1 Settings in the Ladder Program Edit
Comparator inputs are written in the LaddeSettings are made in the Parameter Settings
0
• Example 1(When comparison setting isholding timer #0 ≥ 12 min 34 s)
• Example 2(When compacounter 1 (C1)
Setting
12 min 34 s
Comparatorbit
#0 present value
Comparatorbit
Comparator addresses P0 to P
Comparator bit
Comparison resultoutput
Comparing Timer/Counter Present Values Using Comparators (P
3-11-2 Settings in the Parameter Settings Scr
• Comparing Holding Timers andConstants
(When Holding Timer #0 ≥ 12 min34 s)
• Comparing Counte(When counter 1
(C2))
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Comparison type T: Timer
#: Holding timer
C: Counter
Comparison data 1 T: T0 to Tf Timers 0 to f#: #0 to #7 Holding timers 0 to 7
C: C0 to Cf Counters 0 to f
* Size comand T or T
* Size comand # or #
* Size comand C or C
2 T: T0 to Tf Timers 0 to f
#: #0 to #7 Holding timers 0 to 7
C: C0 to Cf Counters 0 to f
Constant: 00.00 to 99.99 whencomparison type is T/#
0000 to 9999 when comparisontype is C
Operator >=: Timer/counter comparator bit turns ON wh≥ comparison data 2.
<=: Timer/counter comparator bit turns ON whe
≤ comparison data 2.Monitor enabled/ disabled
A Operating parameters can be monitored and s
D Operating parameters cannot be monitored or
Comparatoraddress
Comparison data 1
Comparison type
Monitor enabled/disabled
Operator
Comparison data 2
Comparatoraddress
Comparis
Comparis
M
O
Comparis
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Displaying Messages (Display Bits (D))
3-12 Displaying Messages (Display Bits
A user-set message, the time, a timer/counter analog conversion value can be displayed on the
tiple display functions are used, multiple data cansame screen.
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!Caution The ZEN ladder program is executed in ordnumbers. If more than one item is displayed odisplay function that was executed last will bplay and previous ones will be deleted.
!Caution The display clear function will erase all displadigit on (i.e., the display will be blank). If the dis executed for the same line after another display will still be erased from the specified
3-12-1 Settings in the Ladder Program Edit S
The display functions are written in the Ladder P
Settings are made in the Parameter Settings Scr
• Operation Example 1 • Operation Example 2
Monitors the system operation status. Displays the date and time toccurred.
Settings Details Settings Details
Execution condition
Display
Displaying Messages (Display Bits (D))
3-12-2 Settings in the Parameter Settings S
Backlight/display function screen switching
Display address
Monitor enabled/disabledDisplay start positionDisplay object
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Backlight/displayfunction screenswitching
L0 No backlight; No switching to display func
L1 Backlight; No switching to display functio
L2 No backlight; Switching to display functio
L3 Backlight; Switching to display function sc
Display startposition
X (digit): 00 to 11
Y (line): 0 to 3
Display object CHR Characters (12 max.: Alphanumeric char
DAT Month/day (5 digits: @@ / @@)
DAT1(Seenote 3.)
Day/month (5 digits: @@ / @@)
CLK Hour/minutes (5 digits: @@:@@)
I4, I5(Ia, Ib)
Analog conversion (4digits: @@.@)
T0 to Tf Timer present value (5 digits: @@.@@)
#0 to #7 Holding timer present value (5 digits: @@C0 to Cf Counter present value (4 digits: @@@@)
Monitor enabled/ di bl d
A Operating parameters can be monitored.
p y jDisplay character string (Set whecharacter string selected as disp
Display character string candidates
Character string cursor position
X00 to to X11
Y0
Y3
to
Displaying Messages (Display Bits (D))
ware version 1.10 or later. For details on the Clect Other/System information . (Refer to pagZEN Support Software of Ver. 2.00 or later tions. If ladder programs including these funusing older-version Support Software, they rectly.
S tti h Ch t (CHR) S l t d
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Settings when Character (CHR) Selected
Use the Up / Down Buttons candidate characters.
Alternates display of the and the position mark. Canand flashing.
Use the Right Button to string position to the right. to move the character string
Move thehighlighted cursorto the displaycharacter stringcolumn.
Display character string columns (12 cCandidates for display character string
Character string cursor position
Position within character string FlawhmaCharacter to be selected
Characters before and after character to be se
( )
( )
Using Button Switches (B)
Table of Display Characters
! " # $ % & ' ( ) * + , - . /
0 1 2 3 4 5 6 7 8 9 : ; < = > ?
@ A B C D E F G H I J K L M N O
P Q R S T U V W X Y Z [ \ ] ^ _
‘ b d f h i j k l
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3-13 Using Button Switches (B)
For LCD-type CPU Units, the operation buttons arations for input bits. They are useful when checkinforcefully resetting holding timers or counters.
‘ a b c d e f g h i j k l m n o
p q r s t u v w x y z |
Button switch address Operation but
B0 ESC
B1 OK
B2 Down
B3 Left
B4 Right
B6 B7
B0 B1
B3
Using Button Switches (B)
Using Button Switches• The buttons can a
den keys” for softwaor holding bit presen
Press the DEL+ALT Buduring operation to res
l d
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present value to 0 and tOFF.
Note 1. The buttons can be used as operatio
screen. When using the buttons as buttyour selections based on the screen sta
2. The operation buttons can be used for Zas menu selections, regardless of whswitches (B) are being used.When a button is pressed for ZEN opswitch (B) also turns ON. Make sure tha
be affected by this before pressing butto
Spe
This section describes how to protect ladder programs, stabilize iadjustments and make summer time settings
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adjustments, and make summer time settings.
4-1 Protecting Programs. . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-1-1 Setting a Password . . . . . . . . . . . . . . . . . . . . .
4-1-2 Deleting Registered Passwords . . . . . . . . . . .
4-2 Stabilizing Input Operations . . . . . . . . . . . . . . . . . . . . .
4-3 Changing Backlight Automatic Cutout Time . . . . . . . .
4-4 Adjusting LCD Screen Contrast . . . . . . . . . . . . . . . . . .
4-5 Setting Summertime. . . . . . . . . . . . . . . . . . . . . . . . . . . .
4-6 Reading System Information . . . . . . . . . . . . . . . . . . . . .
Protecting Programs
4-1 Protecting Programs
The ZEN has a password function to prevent inof ladder programs or settings data by other ope
Note Always record your password for future referpassword function. You will no longer be ableif you forget your password
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if you forget your password.
• The password setting range is 0000 to 9999
• You will no longer be able to perform the fothe password is not input correctly.
Edit ladder programsClearing programs (V1 CPU Units only)
Monitor ladder programs
Change or delete the password
Set the input filter
Set the node address
• When any of these functions is selected Password Input Screen will be displayed. If tcorrectly, the display will move to the next scfunction. However, if the password is input screen will not be displayed.
Protecting Programs
4-1-1 Setting a Password
PARAMETERSET CLOCKLANGUAGEOTHER
SelectOther .
PASSWORDCONTRASTBACKLIGHT
SelectPassword
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Press the OK Buttoncursor and enable a
Set the password.
Use the Left and Rithe digit to be change
Use the Up/Down Bubetween 0 and 9.
Press the OK Buttosage will be displaye
Note The display will automatically change to tInput Screen when making settings that rinput. Use the same method as outlined a
tered password.
4-1-2 Deleting Registered Passwords
BACKLIGHTINPUT FILTER
Password .
PASSWORD
0000
PASSWORD
1234
PASSWORDSET?OK/ESC
1234
PASSWORDCONTRASTBACKLIGHTINPUT
The icon will appethe screen when a patered.
Stabilizing Input Operations
Press the OK Button toasking whether or not toword.
If the input password doe
istered password, the dthe original screen.
PASSWORDCANCEL?OK/ESC
1234
If th d
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If the input password doeistered password, a CHwill be displayed. Re-entrectly.
4-2 Stabilizing Input Operations
If external input contacts chatter, ZEN operation maSet an input filter to stabilize operation. Input filters cfor the CPU Unit and each Expansion I/O Unit.
Operation (Example: DC Input Circuits)
PASSWORD
CONTRAST
BACKLIGHT
INPUT FILTER The icon will disapp
word is deleted.
If the password was coButton to delete the pass
PASSWORDCANCEL?CHECK ERR
1234
15 ms 15 ms 15 ms 15 ms 15 ms 15 ms
50 ms 50 ms 50 ms 50 m
Input detectionvoltage
Input
Input circuitdetection(No input filter)
Stabilizing Input Operations
Press the OK Buttonter Settings Men
PASSWORDCONTRASTBACKLIGHTINPUT FILTER
SelectOther/Input filter .
INNEREXP1/
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ter Settings Menu.
Use the Up and Dowthe menu the Unit foto be set.
Press the OK Buttoflashing cursor and tings to be made.
Use the Up/Down BuON and OFF.
Press the OK Button
Press the OK Button
setting.
Note 1. The filter timers outlined in the follow
input type when the input filter functio
EXP1EXP2EXP3
/
/ CPU Unit input
Expansion I/O Unit input
(Displayed only when ExpansionUnits are connected.)
OFF
INPUT FILTERINNER
OFF
INPUT FILTERINNER
ON
/
Input specifications Inputfilter not
usedfil
AC input 100 VAC 50 ms 70
240 VAC 100 ms 12
DC input 15 ms 50
Changing Backlight Automatic Cutout Time
4-3 Changing Backlight Automatic Cu
The LCD backlight automatically turns ON when buperformed. It then turns OFF automatically 2 minutestions stop. The default backlight cutout setting ofchanged to 10 or 30 minutes or the backlight can bcontinuously.
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Press the OK Button tobacklight cutout setting.
Press the OK Button aflashing cursor and enatime settings to be made
Use the Up and Down Bout time.
Press the OK Button to c
P th OK B tt
Button opera-tion
Operationstarts
. . . . . Operationstops
Display func-tion (when L1
or L3 is set)
. . . . . Cutout
Backlight sta-tus
Lit. Remains lit. Remains
DD0
OFF → ON
DD0
ON → OFF
PASSWORD
CONTRASTBACKLIGHTINPUT FILTER
SelectOther/ Backlight .
2min
BACKLIGHT
2min
BACKLIGHT
10min
/
ON (Continuously ON
30 min
10 min
2 min
Adjusting LCD Screen Contrast
4-4 Adjusting LCD Screen Contrast
Use the following procedure to adjust the contrasttal display) screen if the screen is too dark or too
PASSWORDCONTRASTBACKLIGHTINPUT FILTER
SelectOther/ Contrast .
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Press the OK Buttonsetting in a 5-level ba
Press the OK Button
flashing cursor and eadjusted.
Use the Up/Down anadjust the contrast.
Press the OK Button
Press the OK Button
setting.
4-5 Setting Summertime
Set the Summertime function when using the ZESummertime.
@ @
CONTRAST
@ @
CONTRAST
@ @
Increase the cDecrease the
Lighter @ @
Darker
to
SET CLOCKSUMMER TIME
Select Time/ Summertime .
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Opti
This section describes how to mount Battery Units, use Memory CassetZEN Support Software.
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5-1 Mounting Battery Units . . . . . . . . . . . . . . . . . . . . . . . . .
5-2 Using Memory Cassettes . . . . . . . . . . . . . . . . . . . . . . . .
5-3 Connecting the ZEN Support Software . . . . . . . . . . . . .
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Using Memory Cassettes
Note 1. Turn OFF the power supply to the CPU UBattery Unit.
2. Do not short the positive and negative temantle, overheat, or incinerate the Batte
3. Do not drop the Battery Unit. The batteryage occur if the Battery Unit is dropped.
4. The Battery Unit has a life of 10 years m
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y y
5-2 Using Memory Cassettes
Optional Memory Cassettes can be used to sand settings and to copy programs and settin
Mounting Memory Cassettes
1,2,3... 1. Remove the connector cover on the fron
2. Mount the Memory Cassette.
LCD-type CPU UNit
(with LCD andoperation buttons)
LED-type CPU Unit
(no LCD/operationbuttons)
Connector cover
(Use a flat-blade screwdriver if the cover is difficu
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Connecting the ZEN Support Software
5-3 Connecting the ZEN Support So
The ZEN Support Software can be used for progrRefer to the ZEN-SOFT01-V3 ZEN Support Soft(Z184) for information on the functions and operaSoftware.
LCD type LED type
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Computer Specifications
ZEN-CIF01Personal ComputerConnecting Cable
ZEN-SOFT01-VZEN Support So
Windows computer
Item Cond
Operating system Windows 95, 98, ME, 20Pack 3
CPU Pentium 133 MHz or gre(Pentium 200 MHz or gre
Memory 64 Mbytes min.
HD capacity 40 Mbytes free disk spac
CD-ROM drive Required.
Communications 1 serial (COM) port
Keyboard and mouse RequiredMonitor 800 x 600 dots (SVGA) m
Connecting the ZEN Support Software
Setting Node AddressesWhen a ZEN Support Software is connected, the nodZEN Support Software must match the node addreUnit. Communications cannot be performed if the no
match. Use the following procedure to set the node a
BACKLIGHTINPUT FILTERMODEM ININODE NO
Select Other/ Node No.
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Press the OK Button tosettings.
Press the OK Button anode address to be set.
Use the Up/Down and Rset the node address be
Press the OK Button to c
Press the OK Button ag
setting.
Note The ZEN must be connected 1:1 to the comZEN can be connected to the computer at th
0
NODE NO
/ 0
Tr
This section lists the error messages and provides probable causestroubleshooting.
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6-1 Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-2 Error Messages. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
6-3 Deleting Error Messages . . . . . . . . . . . . . . . . . . . . . . . .
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Deleting Error Messages
6-3 Deleting Error Messages
A flashing error message is displayed when an error opower supply and remove the cause of the error.
Press any operation button to delete the error messhas been removed the display will return to normal.
Press either the ESC, ORight, or Up/Down ButtI/O BUS ERR
Error MessageDisplay
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g , pbe pressed to delete the
Press any button to retur
Note The error display will remain for internal erfixed, such as I/O Bus errors and I/O Unit Ov
DisplayScreen
ERR
ERR will remain on thedisplay.
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Product Configurations
CPU Units with 20 I/O Points
Shape Power supply Inputs Outputs Canfu
LCD type
With LCD andoperation but-tons
100 to 240VAC, 50/60 Hz
100 to240 VAC
12inputs
Relays 8 out-puts
Ye
(Not isolated)
24 VDC 24 VDC
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Programming Device
24 VDC 24 VDC
(Not isolated)
24 VDC 24 VDC Tran-sistors(Not isolated)
LED type
No LCD noroperation but-tons
100 to 240VAC, 50/60 Hz
100 to240 VAC
Relays No
(Not isolated)
24 VDC 24 VDC
(Not isolated)
24 VDC 24 VDC Tran-sistors(Not isolated)
Name and appearance Functions
ZEN Support Software Runs on Windows 95, 98, ME, 2000, XP, orNT4.0 Service Pack 3 (CD-ROM)
Used for offline programming, all parameter settings, program transfers, and printing.
Personal ComputerConnecting Cable Connects the computer and ZEN when the ZENSupport Software is used.(Cable length: 2 m)
Q4
I 6 I 7 I 8 I9 Ia I b
Q6Q5 Q7
20C1AR-A-V1
I 6 I 7 I 8 I9 Ia I b
20C2AR-A-V1
Q4 Q6Q5 Q7
Product Configurations
Expansion I/O Units
No. of I/O points Inputs Out
8 I/O 100 to 240 VAC(isolated)
4 inputs Relays
24 VDC
(isolated) Tran-sistors
C
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Optional Products
4 inputs 100 to 240 VAC(isolated)
---
24 VDC
(isolated)
4 outputs --- --- Relays
Name andappearance
Functions
Memory Cassette EEP-ROM
Used to save and copy programs.
Battery Unit Uses a battery to back up programs and data.
Mount a Battery Unit if the loss of calendar, clock,ing bit, holding timer, and counter present values wcause problems in systems with long power interrutions. (Battery life: 10 years minimum)
Training Kit This kit is recommended for first-
time users. Contains the follow-ing products and manuals as akit.
CPU U it
ZEN-10C1AR-
CPU Unit(AC power sup
Product Configurations
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Appendix B
Specifications
General Specifications
Item Specificat
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Item Specificat
Model numbers LCD type ZEN-10C1AR-A-V1
ZEN-10C2AR-A-V1
ZE
ZE
ZE
ZE
LED type ZEN-10C2AR-A-V1
ZEN-20C2AR-A-V1
ZE
ZE
ZE
ZE
Power supply voltage 100 to 240 VAC, 50/60 Hz 24
Allowable power supply voltage 85 to 264 VAC, 47/63 Hz 20
Power consumption(CPU Unit + 3 Expansion I/O Units)
30 VA max. 6.5
Inrush current 40 A max. 20
Insulation resistance 20 MΩ (at 500 VDC) min. betwe
external terminals and all input ttransistor outputs
Dielectric strength 2300 VAC, 50/60 Hz for 1 min (lmax.) between power supply ACall input terminals, and relay or t
Noise immunity Conforms to IEC61000-4-4, 2 kV
Vibration resistance Conforms to JISC0040, 10 to 57mm
57 to 150 Hz, acceleration 9.8 m
80 min in X, Y, and Y directions
Specifications
Note The CPU Units with transistor output is scheduled to be rele
Power supply holding time 10 ms min. 2 ms m
Weight 300 g max.
Enclosure rating IP20 (Mounted inside a control pane
Item Specifications
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Specifications
Characteristics
Item Specifications
Control Stored program
I/O control Cyclic scanProgramminglanguage
Ladder
Program capac-ity
96 lines (up to 3 inputs and 1 output per line)
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ity
Maximum con-trol I/O points
CPU Units with 10 I/O points 34 points (wwith 8 I/O po
CPU Units with 20 I/O points 44 points (wwith 8 I/O po
Memory areas CPU Unit input bits (I) CPU Units wI0 to I5, 6 bi
CPU Units wI0 to Ib, 12 b
CPU Unit output bits (Q) CPU Units w
Q0 to Q3, 4 CPU Units wQ0 to Q7, 8
Expansion I/O Unit input bits (X) X0 to Xb, 12
Expansion I/O Unit output bits (Y) Y0 to Yb, 12
Work bits (M) M0 to Mf, 16
Holding bits (H) H0 to Hf, 16Button switches (B) B0 to B7, 8
(LCD-type C
Timers (T) T0 to Tf, 16
Holding timers (#) #0 to #7, 8 t
Weekly timers (@) @0 to @f, 1built-in calen
Calender timers (*) *0 to *f, 16 built-in calen
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Specifications
DC Inputs I4 (Ia) and I5 (Ib) (V1 CPU Units)
Item Specifications Cir
DCinputs
Input voltage 24 VDC +10%, –15%
Input imped-
ance
5 kΩ
Input current 5 mA, Typical
ON voltage 14.0 VDC min.
OFF voltage 4.5 VDC max.
+
to IN
COM
24 VDC−
Analogoutputdevice
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Note Can be selected using the input filter settings.
ON responsetime
15 ms or 50 ms (See note.)
OFF responsetime
Analoginputs
Input range 0 to 10 V
External inputimpedance
150 kΩ min.
Resolution 0.1 V (1/100 FS)
Overall accu-
racy (–25°C to
55°C)
10% FS
AD conver-sion data
0 to 10.5 V in 0.1 V increments
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Specifications
DC Inputs (Photocoupler Isolated)
Item Specifications Circuit d
Input voltage 24 VDC +10%, –15%
Input impedance 4.7 kΩ
Input current 5 mA, Typical
ON voltage 16.0 VDC min.
OFF voltage 5.0 VDC max.
ON response 15 ms or 50 ms (See note.)
24 VDC
IN
IN
COM
4.7 kΩ
2200 PF 750
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Note Can be selected using the input filter settings.
Output Specifications
Relay Output Type (CPU Unit/Expansion I/O Un
The life, under the worst conditions, of the output contacts used in given in the above table. Guidelines for the normal life of the relays
lowing diagram
time
OFF response
time
Item Specifications Cir
Max. switching capacity 250 VAC/8 A (cosφ = 1)24 VDC/5 A
Each circuitindependen
Min. switching capacity 5 VDC, 10 mA
Relaylife
Electrical Resistive load: 50,000 times
Inductive load: 50,000 times
(cosφ = 1)
Mechanical 10 million times
ON response time 15 ms max.
OFF response time 5 ms max.
I n t e r n a l
c i r c u i t
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Specifications
External Dimensions
70
60
56
44
Z E
1744
• CPU Units with 10 I/O Points(LCD and LED Types)
• Dimensions with the Ba
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90 80 45
EN - B A T 0 1
45
56
44
45
Q4
I 6 I 7 I 8 I 9 I a I b
Q6Q5 Q7
20C1AR-A-V1
8090
122.5
112.5
44
122.517.5
140
• CPU Units with 20 I/O Points(LCD and LED Types)
• Dimensions with the Battery Unit Mounted
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Appendix C
Ladder Program Executio
Executing Ladder ProgramsZEN executes up to 96 lines of a ladder program in one cycle fro
ing from the first line of the bus bar, the ZEN repeatedly execut
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g , p y
right.
Note 1. The time from when processing starts at the busreturned to at the first line again to execute the called cycle time.
2. The output ON/OFF results cannot be used for incle. The result scan be used from the next cycle
[Q0
[Q1
TT0
[Q2
0
1
2
3
4
I0 I1 I2
Q0
I3
I4
T0
Bus barRepeatedlyexecutes in orderfrom bus bar.
00
01
I0
[M0
[Q0
I0
M0 M0
Q0
The Q0reflecteturns O
Ladder Program Execution
Ladder Program Execution TimeRefer to the following table for ZEN execution times. The executio
as a guide. External factors, button operations, execution of ZE
operations, and timing of the processing affects the actual process
time is the sum of the common processing time, the processing timesion I/O Units are connected, and the ladder program execution tim
Common Processing Time
Model Common
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Expansion I/O Unit Processing Time
0.15 ms/per Expansion I/O Unit.
Ladder Program Execution Time
processingtime
ZEN-10C1AR-A 0.85 ms
ZEN-10C1DR-D
ZEN-10C2AR-A 0.2 ms
ZEN-10C2DR-D
Per line 25 µs
Per output CPU Unit output bits (Q)
Expansion I/O Unit output bits (Y)
Work bits (M)
Holding bits (H)
4 µs
Timers (T)/Holding timers (#) 15 µs
Counters (C) 10 µs
Display bits (D) 25 µs
Weekly timers (@); per input 3 µs
Calendar timers (*); per input 2 µs
Analog comparators (A); per input) 1 µs
Comparators (P); per input 15 µs
Appendix D
Application Examples
Lighting Pattern Control
Application
Th ZEN h l if h li h i i
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The ZEN can help conserve energy if the lighting patterns requir
environments are set to the ZEN.
Use the switch operation to switch between lighting patterns.
System Configuration
Operation Switch Lighting group
1 2 3 4
(Q0) (Q1) (Q2) (Q3)
All lights ON SW 1 (I0) ON ON ON ON
Pattern 1 SW 2 (I1) ON OFF ON OFF
Pattern 2 SW 3 (I2) ON ON OFF OFF
All lights OFF SW 4 (I3) OFF OFF OFF OFF
NC
SW1
SW2SW3SW4
I0
I1I2
I3
MC1All lights ON
Pattern 1Pattern 2
All lights OFF
Note:Switches use
momentarynormally opencontacts.
Lighting group 1 (Q0)Lighting group 1 (Q0)
Lighting group 3 (Q2)
Application Examples
Program Example
00
01
02
03
04
05
SQ0
SQ1
SQ2
SQ3
SQ0
RQ1
08
09
10
11
12
13
I0 (All lights ON)Group 1 lit
Group 2 lit
Group 3 lit
Group 4 lit
Group 1 lit
Group 2 not lit
I3 (All lights OFF)
I2 (Pattern 2)
I1 (Pattern 1)
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Escalator with Automatic Operation Fun(Weekly Timer, OFF Delay Timer)
ApplicationThe ZEN can be simply used to conserve energy for an escalato
operation function. The escalator can be set to operate continuousl
and 17:00 to 22:00 weekdays and then operate at other times and
when people step on the escalator.
System Configuration
06
07
RQ1
SQ2
RQ3
14
15
p
Group 3 lit
Group 4 not lit
NC
R S T200 VAC
I0
I1
I2
DC powersupply
Contactoror inverter
Sensor to detect approaching person
Operation switch
Stop switch
Use two weekly timers forand 17:00 to 22:00 weekd
For the rest of the time us
+ – + –
Application Examples
Program Example
00
01
02
03
04
05
@0
T0
SM0
RM0[Q0
M0
@1
I1 Operates
I2 Stops
I0 Person detected
Escalator operates
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Parameter Settings
Water Supply Tank Control
Application
Basic water supply control is possible with the 61F Switch (withorelay logic is required for inverter control of high-speed opera
slow-speed operation (when half-full).
05
06
TT0I0 Person detected
Off delay timer starts
Operates 3 minutes after detectio
Weekly timer @0
(Mon to Fri: 7:00 to 10:00)
Weekly timer @1
(Mon to Fri: 17:00 to 22:00)
OFF dela
Application Examples
System Configuration
NC
R S T
I0 I1
I2L1 L2N
10 11 10 11 10
(200 VAC)
61F-GP-N(For lower limit)
61F-GP-N(For half-full)
61F-GP-N(For upper
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Program Example
S1
S5S6
3G3FV
IM
COM
Inverter
Pump drivemotor
Upper
ZEN-10C@AR-A
Half-fu
Lower- lim
Water storage tank
Pump
00
01
02
[Q0
[Q1
[Q2
I2 Stop (upper limit)
I0 (lower limit) I1 (intermediate)
I0 (lower limit) I1 (intermediate)
Inverter forward/stop
Inverter multistep speed command 1 (intermediate
Inverter multistep speed command 2 (high speed)
Example: 3G3FV Inverter Speed
Motor speed Frequencyreference 3(high speed)Frequency
reference 2(intermediatespeed)
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Application Examples
Parameter Settings
Greenhouse Air Circulation Control (2/3)Timer and Weekly Timer)
Offset Start TimerSetting T0
Operation timer setting T1 Opera
Set to 30 seconds. Set to 1 hour. Set to
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Timer and Weekly Timer)
ApplicationThe ZEN can be used to operate circulation fans during winter night
In this example, the circulation fans operate only at night (19:00 to
(November 15 to March 20).
During the operation period, the fans operate intermittently, 60 min
OFF. The low startup current results in a 30 second difference in the
The start and stop operation days during winter (November 15 an
using the calendar timer (*0).
The start and stop operation times during the night (19:00 and 6:0
weekly timer (@0).
The startup time difference and operate/stop cycles are set using th
Application Examples
System Configuration
NC
R S T
L1 L2N
ON
OFF
(200 VAC)
SW1 (I0) (Op
SW2 (I1) (Sto
ZEN-10C1AR-A
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Program Example
MC1 MC2
IM IM
MC1 (Q0) MC2 (Q1)
Circulation fan Circulation fan
M0 *0 @0
M1 T1
T0
T2
SM0
RM0
[M1
[Q0
TT0[Q0
TT1
00
01
02
03
0405
*0
Fan 1 starts
Fan 2 starts
Startup time o
Operation tim
I0 Operates
I1 Stops
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Application Examples
Program Example
00
01
02
03
04
05
M0
T0
SM0
RM0
[Q0
TT0
[Q1
A0
I0 Operates
I1 Stops
Fan 1 operates
Fan 2 operates
Startup time offset
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Parameter Settings
Annunciator (Flashing Pulse Timer)
Application
The ZEN can be used to make an alarm light flash when errors
In this example, a flashing pulse timer is used to make an alarmoccur. Ladder programs can be created easily when a flashing p
System Configuration
Analog Comparator A0
Set temperature ≥ 5.2V
Offset startup timesetting T0
Set to 30 seconds.
NC
L N I0: Alarm input
I1: Buzzer stop input
I2: Lamp test input
Application Examples
Program Example
00
01
02
03
04
05
I0
I0
M0
M1
M2
I0
[M0
[M1
[M2
[Q0
I1
I2
T0
Inputting alarm
Inputting buzzer st
Testing lamp
Alarm lamp
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Parameter Settings
Coin-operated Carwash (Holding Bits an
Timer)Application
The ZEN can be used to change the operating time of a machine,
ated car wash, depending on the number of coins inserted.
If a holding timer is used and holding bits used for the self-holding
time will not be reset if there are unexpected power interruptions.In this example, the carwash operates for 3 minutes if one coin is i
two coins are inserted and 9 minutes if 3 coins are inserted
06
07
08
I0
I0
M0
I1
[Q1
[Q2
TT0
Normal lamp
Flashing pulse tim
Buzzer
Flashing Pulse Timer
Set to flash at 0.5 s intervals.
Application Examples
System Configuration
Program Example
NC
1 0 0 I0
Q0
Q0
I0Coin selector
Carwash operation
ZEN-10C@AR-A
3 min
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Program Example
Parameter Settings
00
01
02
03
04
05
06
07
08
09
10
11
I0 H0
M0
M0
H0
H0
M1
M1
H1
H1
M2
M2
H2
I0 M3
I0 H1
I0 M4
I0
I0
H2
M5
[M0
[H0
[M1
[H1
[M2
[H2
12
13
14
15
16
17
18
19
20
H0
H1
H2
#0
M3
M4
M5
H0
H1
H2
Insertion of1st coindetected
Insertion of2nd coindetected
Insertion of
3rd coindetected
Holding Timer
Application Examples
Warming Moulding Machines (Weekly TimLogic)
Application
The ZEN can be used to improve moulding efficiency by warmmachine before the work shift starts. This allows molding work to b
the start of the work shift.
When work shifts vary, pre-set weekly timers can be selected using
System Configuration
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y g
NC
SW1 (I0) Continuous SW2 (I1) Pattern 1
SW3 (I2) Pattern 2
SW4 (I3) Pattern 3
SW5 (I4) Stop
ZEN-10C@AR-A
Moulding machineheating circuit
Q0
Application Examples
Program Example
00
01
02
03
04
05
06
I1
I2
RM0
SM1
RM2
RM3
RM4
RM0
RM1
15
16
17
18
19
20
21
I4
I0
M1 @0
Pattern 1selected
Pattern 2
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Parameter Settings
06
07
08
09
10
11
12
13
14
I3
RM1
SM2
RM3
RM4
RM0
RM1
RM2
SM3
RM4
21
22
23
24
25
M2
M3
M0
@1
@2
Pattern 2
selected
Pattern 3
selected
Weekly Timer Setting @0 to @2
Appendix EAllocations and Setting She
I/O Allocations for CPU Units with 10 I/I/O Unit name Bit Input device
Inputbits
CPU Unit I0
I1I2
I3
I4 Normal input
Analog voltage input
I5 Normal input
Analog voltage input
Expansion I/ O Unit
X0
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O Unit X1
X2X3
Expansion I/ O Unit
X4
X5
X6
X7
Expansion I/ O Unit
X8
X9
Xa
Xb
I/O Unit name Bit Output device name and spe
Output CPU Unit Q0
CPU Unit IN I0 to I5 Expansion I/O Unit IN X0 to Xb (Bits allocated in order of connect
CPU Unit OUT Q0 to Q3 Expansion I/O Unit OUT Y0 to Yb (Bits allocated in order of conne
Allocations and Setting Sheets
I/O Allocations for CPU Units with 20 I/OI/O Unit name Bit Input device
Inputbits
CPU Unit I0
I1
I2
I3I4
I5
I6
I7
I8
I9
Ia Normal input
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Analog voltage input
Ib Normal input
Analog voltage input
Expansion I/ O Unit
X0
X1
X2
X3
Expansion I/ O Unit
X4
X5
X6
X7
Expansion I/ O Unit
X8
X9
Xa
Xb
Q4
I 6 I 7 I 8 I 9 I a I b
Q6Q5 Q7
20C1AR-A-V1
CPU Unit IN I0 to Ib Expansion I/O Unit IN X0 to Xb (Bits allocated in
CPU U it OUT Q0 t Q7 E i I/O U it OUT Y0 t Yb (Bit ll t d
Allocations and Setting Sheets
I/O Unit name Bit Output device name and spe
Outputbits
CPU Unit Q0
Q1
Q2
Q3
Q4Q5
Q6
Q7
Expansion I/ O Unit
Y0
Y1
Y2
Y3
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Expansion I/
O Unit
Y4
Y5
Y6
Y7
Expansion I/ O Unit
Y8
Y9
Ya
Yb
Allocations and Setting Sheets
Work and Holding Bit AllocationsBit type Address Application Bit type Address
Work bits M0 Holdingbits
H0
M1 H1
M2 H2
M3 H3M4 H4
M5 H5
M6 H6
M7 H7
M8 H8
M9 H9
Ma Ha
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Timer and Holding Timer Settings
Ma Ha
Mb HbMc Hc
Md Hd
Me He
Mf Hf
Timer Address Operationsetting(See
note.)
Setting timeunits
Set time
Timer T0 X O F H:M M:S S
T1 X O F H:M M:S S
T2 X O F H:M M:S S
T3 X O F H:M M:S S
T4 X O F H:M M:S S
T5 X O F H:M M:S S
T6 X O F H:M M:S ST7 X O F H:M M:S S
T8 X O F H:M M:S S
T9 X O F H:M M:S S
Ta X O F H:M M:S S
Tb X O F H:M M:S S
Tc X O F H:M M:S S
Td X O F H:M M:S S
Te X
O F H:M M:S STf X O F H:M M:S S
Holding timer #0 X H:M M:S S
#1 X H M M S S
Allocations and Setting Sheets
Counter SettingsCounteraddress
Setting (No. oftimes)
Application
C0
C1
C2
C3
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C4
C5
C6
C7
C8
C9
Ca
Cb
Cc
Allocations and Setting Sheets
Weekly Timer SettingsWeeklytimer
address
Start day Stop day Starttime
@0 SU MO TU WE TH FR SA SU MO TU WE TH FR SA None :
@1 SU MO TU WE TH FR SA SU MO TU WE TH FR SA None :@2 SU MO TU WE TH FR SA SU MO TU WE TH FR SA None :
@3 SU MO TU WE TH FR SA SU MO TU WE TH FR SA None :
@4 SU MO TU WE TH FR SA SU MO TU WE TH FR SA None :
@5 SU MO TU WE TH FR SA SU MO TU WE TH FR SA None :
@6 SU MO TU WE TH FR SA SU MO TU WE TH FR SA None :
@7 SU MO TU WE TH FR SA SU MO TU WE TH FR SA None :
@8 SU MO TU WE TH FR SA SU MO TU WE TH FR SA None :
@9 SU MO TU WE TH FR SA SU MO TU WE TH FR SA None :
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Calendar Timer Settings
@9 SU MO TU WE TH FR SA SU MO TU WE TH FR SA None :
@a SU MO TU WE TH FR SA SU MO TU WE TH FR SA None :
@b SU MO TU WE TH FR SA SU MO TU WE TH FR SA None :
@c SU MO TU WE TH FR SA SU MO TU WE TH FR SA None :
@d SU MO TU WE TH FR SA SU MO TU WE TH FR SA None :
@e SU MO TU WE TH FR SA SU MO TU WE TH FR SA None :
@f SU MO TU WE TH FR SA SU MO TU WE TH FR SA None :
Calendartimer address
Start date Stop date App
*0
*1
*2
*3
*4
*
5*6
*7
*8
*9
*a
*b
*c
*d
*e
*f
Allocations and Setting Sheets
Comparator SettingsCompar-
atoraddress
Comparison data 1 Operator Comp
Type Content Type C
P0 T@ #@ C@ ≤ ≥ T@ #@ C@
P1 T@ #@ C@ ≤ ≥ T@ #@ C@P2 T@ #@ C@ ≤ ≥ T@ #@ C@P3 T@ #@ C@ ≤ ≥ T@ #@ C@P4 T@ #@ C@ ≤ ≥ T@ #@ C@P5 T@ #@ C@ ≤ ≥ T@ #@ C@P6 T@ #@ C@ ≤ ≥ T@ #@ C@P7 T@ #@ C@ ≤ ≥ T@ #@ C@P8 T@ #@ C@ ≤ ≥ T@ #@ C@P9 T@ #@ C@ ≤ ≥ T@ #@ C@
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Display Function Settings
P9 T@ #@ C@ ≤ ≥ T@ #@ C@Pa T@ #@ C@ ≤ ≥ T@ #@ C@Pb T@ #@ C@ ≤ ≥ T@ #@ C@Pc T@ #@ C@ ≤ ≥ T@ #@ C@Pd T@ #@ C@ ≤ ≥ T@ #@ C@Pe T@ #@ C@ ≤ ≥ T@ #@ C@Pf T@ #@ C@ ≤ ≥ T@ #@ C@
Display bitaddress
Backlight/Displayfunction displayscreen switching
Display startposition
Display m
D0 L0 L1 L2 L3 X: Y:
D1 L0 L1 L2 L3 X: Y:
D2 L0 L1 L2 L3 X: Y:
D3 L0 L1 L2 L3 X: Y:
D4 L0 L1 L2 L3 X: Y:
D5 L0 L1 L2 L3 X: Y:
D6 L0 L1 L2 L3 X: Y:
D7 L0 L1 L2 L3 X: Y:
D8 L0 L1 L2 L3 X: Y:
D9 L0 L1 L2 L3 X: Y:
Da L0 L1 L2 L3 X: Y:
Db L0 L1 L2 L3 X: Y:
Dc L0 L1 L2 L3 X: Y:
Dd L0 L1 L2 L3 X: Y:De L0 L1 L2 L3 X: Y:
Df L0 L1 L2 L3 X: Y:
Allocations and Setting Sheets
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Index
Aadditional functions for bit outputs 27
allocations
allocation sheets 137
I/O allocations 29
alternate operation 27, 58
countersaddresses 28
comparing va
using 70
CPU Units
available mod
overview 2
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analog I/O 75application
examples 123
available models 105
Bbacklight
changing automatic cutout time 92
Battery Unit 14
mounting 96
blank lines
deleting 66
button switches 17using 85
Ccalendar timers 74
characteristics 111
CLOCK 51
comparators
specifications
Ddate
setting 51
dimensions 32,DIN track 30
mounting 32
display bits
addresses 28
displaying m
display language
display screen 1duct installation
EEC Directives xerror messages
deleting 104
meaning 102
Index
Hholding timers 67
II/O bits
allocation 29
inductive loads 45, 47
input devices
connecting 42
inputs
Mmemory
backup xx
memory areas 27
Memory Cassettes
9
mounting 97, 98
transferring progr
MONITOR 63
mounting 32
Battery Units 96
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analog 75changing 64
deleting 65
input bits 27
input filter 90
stabilizing input operations 90
wiring input lines 35
writing 56inrush current
suppressing 48
installation 32
internal holding bits 27
LLadder Program Edit Screen settings
analog inputs 77
calendar timers 74
comparing present values 79
counters 70
display bits 82timers and holding timers 68
weekly timers 72
Nnode addresses
setting 100
O
OFF delay timer 67ON delay timer 67
one-shot pulse timer
operating mode 63
at startup xix
RUN mode 18, 2
STOP mode
18
,operation
confirming 62
preparation 30
operation buttons 10
optional products 10
outputs
changing addition
deleting 65
Index
comparing present values 81
counters 71
timers and holding timers 69
weekly timers 73
Parameter Settings Screen settings
analog comparators 77calendar timers 74
comparing present values 80
counters 71
display bits 83
timers and holding timers 68
weekly timers 72
R-Sreset input 68,reset operation 2screen
adjusting LCDset operation 27
settings
setting sheets
specifications
general 109
input 112
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part names 10
password
deleting 89
setting 89
photoelectric switches
preventing false inputs 44
power cables 33power supply
wiring 35
precautions
applications xiii
operating environment xvi
safety xii
Programming Device
available models 106
programs
clearing 53
correcting 64
creating 52
examples 123executing 121
execution time 122
output 116
summertime
setting 93
Support Softwar
connecting 9switching capac
system configursystem informat
reading 94
T-Wtime
setting 51timers 67
addresses 28
calendar time
comparing va
flashing pulse
OFF delay tim
ON delay tim
one-shot puls
Index
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Revision History
A manual revision code appears as a suffix to the catalog numb
the manual.
The following table outlines the changes made to the manual du
Cat. No. Z183-E1-01
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numbers refer to the previous version.Revision
codeDate Revised conte
01 May 2003 Original production
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OMRON CorporationIndustrial Automation Company
Industrial Devices and Components Division H.Q.Industrial Control Components DepartmentShiokoji Horikawa, Shimogyo-ku,Kyoto, 600-8530 JapanTel:(81)75-344-7119/Fax: (81)75-344-7149 Regional Headquarters
OMRON EUROPE B.V.Wegalaan 67-69, NL-2132 JD HoofddorpThe NetherlandsTel:(31)2356-81-300/Fax:(31)2356-81-388
OMRON ELECTRONICS LLC1 East Commerce Drive, Schaumburg, IL 60173U.S.A.Tel:(1)847-843-7900/Fax:(1)847-843-8568
OMRON ASIA PACIFIC PTE. LTD.83 Clemenceau Avenue,#11-01, UE Square,239920 SingaporeTel:(65)6835-3011/Fax:(65)6835-2711
OMRON CHINA CO., LTD, BEIJING OFFICERoom 1028, Office Building,Beijing Capital Times Square,No. 88 West Chang'an Road,Beijing, 100031 ChinaTel: (86)10-8391-3005/Fax: (86)10-8391-3688