Technical GCIU Information Interface Unit

Yokogawa Electric Corporation

TechnicalInformation

<Int> <Ind> <Rev>

GCIUInterface UnitInstallation ManualTI 11B05B02-02E

TI 11B05B02-02E©Copyright Aug. 2001(YK)1st Edition Aug. 2001(YK)

Contents

Notice ...................................................................................................................... i

Introduction ............................................................................................................ iv

1. OVERVIEW .............................................................................................. 1-11.1 Description and Ratings .................................................................................. 1-11.2 MS Code ........................................................................................................... 1-21.3 Connecting Examples ....................................................................................... 1-31.4 External Dimensions ......................................................................................... 1-4

1.4.1 CENELEC ........................................................................................ 1-41.4.2 General Purpose .............................................................................. 1-5

1.5 Standard Performance ...................................................................................... 1-61.6 Data Plate ......................................................................................................... 1-8

2. INSTALLATION AND WIRING .................................................................. 2-12.1 Installation ........................................................................................................ 2-12.2 Wiring ............................................................................................................... 2-2

2.2.1 General Cautions on Wiring .............................................................. 2-22.2.2 Kinds of Wiring ................................................................................. 2-22.2.3 Recommended Cables ..................................................................... 2-32.2.4 Precautions on Wiring ....................................................................... 2-42.2.5 Power Cable Termination and Grounding Wire ................................. 2-52.2.6 Analyzer Bus .................................................................................... 2-72.2.7 Signal Lines ...................................................................................... 2-82.2.8 Terminal connection of shielded signal cables for CENELEC ............ 2-92.2.9 Turning On the Power ....................................................................... 2-9

2.3 Piping .............................................................................................................. 2-102.3.1 General Notes on Piping Work ........................................................ 2-102.3.2 Type of Piping ................................................................................. 2-102.3.3 Piping Connection .......................................................................... 2-10

Revision Record ............................................................................................ i

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TI 11B05B02-02EMedia No. TI 11B05B02-02E 2nd Edition : Dec. 2006 (YK)All Rights Reserved Copyright ©2001, Yokogawa Electric Corporation

Notice

Regarding This Manual1. This Manual should be passed on to the end user.

2. Read this manual carefully and fully understand how to operate this product beforeyou start operation.

3. Yokogawa makes no warranty of any kind with regard to this material, but notlimited to, implied warranties of merchantability for particular purpose.

4. All rights reserved. No part of this manual may be reproduced in any form withoutYokogawa’s written permission.

5. The contents of this manual are subject to change without prior notice.

Regarding Protection, Safety, and Prohibition Against UnauthorizedModification.

1. For the protection and safe use of the product and the system controlled by it, besure to follow the instructions on safety described in this manual when handlingthe product. In addition, if you handle the product in contradiction to theseinstructions, our company does not guarantee safety.

2. The following safety symbol marks are used on the product concerned or in thisManual :

A WARNING sign denotes a hazard. It calls attention to procedure,practice,condition or the like, which, if not correctly performed oradhered to, could result in injury or death of personnel.

A CAUTION sign denotes a hazard. It calls attention to a procedure,practice, condition or the like, which, if not correctly performed oradhered to, could result in damage to or destruction of part or all ofthe product.

IMPORTANT:

Indicates that operating the hardware or software in this manner maydamage it or lead to system failure.

NOTE:

Draws attention to information essential for understanding the opera-tion and features.

TIP:

Gives information that complements the present topic.

See Also:

Gives the reference locations for further information on the topic.

!

!

2nd Edition : Dec.18,2006-00

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Protective ground terminal:In order to provide protection against electrical shock in case of afault. This symbol indicates that the terminal must be connected toground prior to operation of equipment.

Function ground terminal:

In order to provide protection against noise.This symbol indicates that the terminal must be connected to groundprior to operation of equipment.

Alternating current

Indicates the power switch state “ON”.

Indicates the power switch state “Stand - by ”.

Indicate the power switch state “OFF”.

3. If protection / safety circuits are to be used for the product or the system controlledby it, they should be installed outside of the product.

4. When you replace parts or consumables of the product, use those specified by ourcompany.

5. Do not modify the product.


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Exemption from Responsibility1. Yokogawa Electric Corporation does not make any warranties regarding the

product except those mentioned in the WARRANTY that is provided separately.

2. Yokogawa Electric Corporation assumes no liability to any party for any loss ordamage, direct or indirect, caused by the use or any unpredictable defect of theproduct.


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IntroductionThank you for purchasing the GCIU Interface Unit.

This manual describes the technical information to install the GCIU.

Please read the respective cautions (General Precautions and Cautions of usingexplosion-protection instruments) before installing the GCIU.

WARNING

This instrument must be installed by expert engineer or skilledpersonnel.The procedures described this manual are not permittedfor operators.

System Configuration

PTR

ETHERNET+SERIAL

SERIAL COMM.

DCS BUS

ControlRoom

Field

Remote-MaintenanceANALYZER BUS

Modem

OperaionConsole

Work-station

I/O

GC 1000

1

I/O

RegendGCAS : Analyzer Bus ServerGCIU : GC Interface UnitGCHUB : HUBASMT : Analyzer Server Maintenace

Terminal (Package Software)PC : Personal ComputerPTR : Printer

GC 1000

4

GCHUB

GC 1000

1

GC 1000

4

GCHUB

GC 1000

1

GC 1000

4

GCHUB

GCIU

F0001E.EPS

PC(ASMT)

GCHUB

UPS

GCAS

GCHUB GCHUB GCHUBGCHUB

Analyzer bus system: Used to connect analyzers based on gas chromatograph in thefield to a network. The system has a total redundant configuration for safety.

GCAS (Analyzer Server): The monitor/control center for the entire network. It alsosaves necessary data automatically. Moreover it joints with DCS for serial communica-tion and digital output, etc.

ASMT (Analyzer Server Maintenance Terminal): When this package software isinstalled on an ordinary personal computer, the computer acts as a human interfacededicated to this system.The operator can thus operate gas chromatograph in the field from the computer viaGCAS.

GCIU (Interface Unit): The information of the field sensor except GC is input as theanalog data and can be monitor on ASMT and DCS by the analyzer bus.


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GCHUB: The device which diverge the network is called HUB. One HUB can connectfour gas chromatographs or GCIU. HUB also can be used for the divergence the line.

UPS (Uninterruptible Power Supply unit):This is the unit to protect the harddisk drive in GCAS from the accidental power down.

Documents Related to the Analyzer Bus System

GCIU

(1) GCIU Interface Unit nstallation Manual (TI 11B05B02-02E)

(2) GCIU GC Interface Unit (IM 11B5B2-01E)

(3) Analyzer Bus System (GS 11B5A1-01E)

(4) GC1000 Analyzer Bus System (TI 11B5A1-03E)

Operation Data

Operationg equipment is supplied with the operation manuals in the delivered packageand contain the following.

Instrument specifications General connection diagram

Related products

(1) ASMT Analyzer Server Maintenance Terminal Operation Guide (IM 11B5A1-01E)

(2) Analyzer Server User’s Manual (IM 11B5B1-01E)

(3) Hub GCHUB Installation Manual (TI 11B5C1-01E)

(4) GCMT Gas Chromatograph Maintenance Terminal Software Package OperationGuide (IM 11B3G1-02E)

(5) Capture It! Manual (IM 11B3G1-02E)

Is the System Ready?Before reading this manual, the following preparations must have been completed.

The system must be unpacked and installed in the correct place. The piping for the purging air must be completed. The wiring for the power supply and others must be completed.

Please read the following General Precautions, before installing and using the GCIU.

General Precautions

CAUTION:(1) Take great care when carrying and installing (piping-wiring) the GCIU. The

GCIU must be carried and installed very carefully (including piping andwiring) by more than one person (at least three people are recommended).

(2) Use the GCIU within the range of your purchase specifications.Yokogawa assumes no responsibility for problems resulting from use by thecustomer outside the purchase specifications.


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(3) Since the GCIU is precision instrument, take care when handling not to joltof knock them.

(4) If the GCIU needs to be modified or repaired, please contact your nearestYokogawa representative. Yokogawa assumes no responsibility for resultswhere the customer or any third party has attempted to modify or repair theseproducts.

IMPORTANT(1) Read the attached instruction manual before operating the GCIU

(2) The instruments must be installed and operated according to the instructionmanual, approved drawings, and operation data.

(3) Do not hesitate to ask Yokogawa to modify or repair the instrument.Yokogawa assumes no responsibility for defects resulting frommodification or repair by the customer or unauthorized manufactures.

(4) Wiring worksWhen performing wiring, always using the sealing fittings and flameproof pack-ing adapter.

(5) Maintenande and RepairThe instrument modification or parts replacement by other than authorizedrepresentative of Yokogawa Electric Corporation is prohibited.

Precautions Against Electrostatic ProblemsThe GCIU uses numerous IC components. When handling cards with IC componentsmounted on them for maintenance or setting changes, take full precautions againstelectrostatic problems.

These precautions are summarized below.

(a)When storing or carrying cards, enclose them in a conductive bag or antistaticbag. (Cards as shipped by Yokogawa are enclosed in a conductive bag orantistatic bag labeled with cautions against electrostatic problems.)

(b)Whenever mounting or demounting cards into or from a product, wear a wrist strapgrounded via a 1 MΩ resistance. Connect the wrist strap to any ground terminalnear the ground wire or to any unpainted part of the grounded frame.


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F0002E.EPSUsing a conductive SheetUsing a wrist strap and conductive sheet

Conductive sheet Card Wrist strapWrist strap

1MΩ

(c) When servicing cards on the bench, place them on a conductive sheet groundedvia a 1 MΩ resistance, wearing a wrist strap as in (2) above. Keep easily-chargeable plastic materials away from the bench.

(d)Never touch components mounted on the cards, the pattern side, connectors, pincomponents, etc. with bare hands, unless using a wrist strap and a conductivesheet.

(e)Wrist straps and conductive sheets are available from Yokogawa EngineeringService (YSV).


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Cautions

CAUTIONS OF USING EXPLOSION-PROTECTION INSTRUMENTSThe GCIU is designed to protect against explosion. When GCIU is used in ahazardous area, observe the following precautions.

(1) Kinds of explosion protection

CENELEC (ATEXdirective) : EExpd IIB+H2 T4

(2) Precautions for explosion-proof section

When handling the thread on the cover, note the following to avoid damaging thethread since they cannot be repaired.

1. When removing the cover, take care not to let the thread become contami-nated by dirt or foreign matter.

2. When installing the cover, tighten the cover by hand; never use tools.

3. Since the thread are coated with MOLYKOTE, do not lubricate them.

(3) Installation site and environment

The GCIU specifications allow it to be used in hazardous areas as defined by Zone1. However, never install the analyzer in an area where the density of explosive gaspersists for a long time.

(4) Wiring works

When performing wiring, always use the flame-proof packing adapter.


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Cautions

(5) Maintenance and checks

If any of the following damage occurs, inform a Yokogawa sales representative or the

Yokogawa sales division

1. If the screws securing the GCIU (explosion-proof construction) are damaged

2. If the exterior of the enclosures are damaged

3. If packings are cracked or conspicuously deformed

(6) Replacing parts

Always use parts specified by Yokogawa when replacing parts, for replacement,refer to section of “Procedure for Replacing Parts”.

(7) Operation

Warning:

* GCIU shall not be opened unless the area is known to be nonhazardous, orunless all devices within have been de-energized.

<CENELEC>

* Only trained persons may use this instrument in a hazardous location.

* Do not open when energized.

Take care not to generate mechanical spark when access to the instrument andperipheral devices in hazardous locations.

(8) Maintenance and Repair

* The instrument modification or parts replacement by other than authorizedrepresentative of Yokogawa Electric Corporation is prohibited and will void theapproval of CENELEC certification.


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<Toc> <Ind> <1. OVERVIEW > 1-1

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1. OVERVIEWGC Interface Unit is a one of equipment of Anal yzer Bus Netw ork (dedicated netw ork ofGC1000). GCIU has 2 channel Anal yzer Bus Netw ork interface , 16 points analog input,16 points digital input and 18 points digital output. Field equipment suc h as PH sensor ,transmitter and etc. are able to connect to Anal yzer Bus netw ork via GCIU .

1.1 Description and RatingsPower supply: 100 to 240 VAC +/-10%, 50/60Hz +/-5%

Power consumption: Max. 100 W

Purging air: Required v olume: About 50 l/min

Pressure: 0.5 to 0.9 MPa

Cleanliness: No dust, corrosive or poisonous elements

Condensation: -20 ºC or less

Operating ambient conditions: -10 to 50 ºC, 95%R.H. or less

Storage conditions: -40 to 85 ºC, No moisture condensation

Weight: Approximately 40 kg

Installation location: Well-ventilated place indoor s, free of vibration, direct sunlight,and reflected light and heat

Explosion protection: CENELEC (ATEX Directive) EEx pd IIB+H 2 T4


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1.2 MS CodeTable 1.1

Model Option Code

GCIU ...................

...................

...................

...................

...................

...................

...................

...................

...................

...................

...................

...................

...................

...................

...................

...................

...................

...................

...................

...................

...................

...................

...................

...................

...................

...................

...................

...................

...................

...................

...................

...................

Field interface unit

General purposeCENELEC

NoneNPTM25 x 1.5Pg21G3/4

Wall mounting

JapaneseEnglish

Twisted pair (dual channel)Coaxial (dual channel)Twisted pair (single channel)Coaxial (single channel)

None *1Max. 4 channels *1Max. 8 channels *1Max. 12 channels *1Max. 16 channels *1



Always -N

Always N

Always N

-Y-A

Explosion protection

NABCD

Wiring method

WInstallation method

JE

Language

-1-2-3-4

Analyzer bus connection

N1234

A/I 1 to 5 [V]

N1234

A/I 4 to 20 [mA]

N1234

A/I 4 to 20 [mA]2-wire with 30 [V]

-N -

N -

N -

Basic Code Description

.........................................................

T01.eps*1 : The total number of A/I channels must be 16 or less.



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1.3 Connecting Examples

Loop Network Example (for repeater connection type HUB used)If HUB “ F ” is something wr ong, there is no eff ect for the comm unication between otherHUB and GCAS.

Non-explosion protection area Explosion protection area

Repeater type HUB

Note: Dual items are not shown here.F0101.EPS

Coax (Star connection), Max. 500 m

TW.PR: Max. 200m

HUBREP.

400 m

100 m

HUBREP.

GC1000GC1000GC1000GC1000

HUBREP.

GC1000GC1000GC1000GC1000

HUBREP.

GC1000GC1000GC1000GC1000

HUBREP.

GC1000GC1000GC1000

GCIU

HUBREP.

GC1000HUBREP.

GC1000GC1000GC1000GC1000

HUBREP.

GC1000GC1000GC1000GC1000

HUBREP.

GC1000GC1000GC1000

GCIU

HUBREP.

GCAS

200 m

100 m

150 m

50 m

20 m

150 m

100 m

A

B I

H

G

F

C

D

E

Figure 1.1

Condition of the connection

Total netw ork length <6,000 (m)

Length (m) = Main loop + (Max. length of Branch network connected to loop) + (2ndMax. length of Branch network connected to loop) + (Number of Repeater HUB)x 60

• Total loop length: 3,000 m(HUB A to HUB I )

• Total length (m) = 3,000 + 400 + 200 + 9 x 60= 4,140 < 6,000



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1.4 External Dimensions

1.4.1 CENELEC

Figure 1.2



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1.4.2 General Purpose

Figure 1.3



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1.5 Standard Performance(1) Safety Standard

Complying Standard : EN61010-1 (for CENELEC)

AItitude at installation side : Max.2000m above sea level

• lnstallation category based on IEC61010 : II (See Note)

• Pollution level based on IEC61010 : 2 (See Note)

Note :

• The "Installation categor y" implies the reguration f or impulse withstand v oltage. It isalso called the "Overvoltage category". "II" applies to electrical equipment.

• "Pollution level" describes the degree to which a solid, liquid or gas whichdeteriorates dielectric strengh is adhering. "2" applies to a normal indooratmosphere.

(2) EMC standard

Emission

Complying Standard : EN55011 Group 1 Class AEN61326 Class AC-tick

No. Test Item Frequency Range Basic Standard

1 Electromagnetic radiation disturbance 30MHz - 1GHz

2 Main terminal disturbance voltage 0.15MHz - 30MHz

Class ACISPR16-1 and CISPR16-2

Harmonics Current Emission

Compl ying Standar d : EN61326 Class A

Harmonic Order Maximum PermissibleNo. Harmonics Harmonic Current Basic Standard

n A1 Odd Harmonics 3 2.30

5 1.147 0.779 0.40

11 0.3313 0.21

15<=n<=39 0.15 x 15/n2 Even Harmonics 2 1.08

4 0.436 0.30

8<=n<=40 0.23 x 8/n

IEC 61000-3-2Class A

Voltage fluctuations and flic ker


Test Item Limits Basic StandardVoltage change characteristic Dc 3%Maximum voltage charge Dmax 4%Steady-state voltage charge D(t) 3% for more than 200msShort-term flicker Pst 1.0Long-term flicker Plt 0.65

IEC 61000-3-3



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Immunity


No. Test Item Test specification Basic Standard Preformance Criteria*1 4kV(contact)

8kV(air)2 80 to 1000MHz

1.4 to 2GHz10V/m(unmodulated)80% AM (1kHz)

3 2kV5/50 Tr/Th ns5kHz REP.

4

5 0.15 to 80MHz3V (unmodulated)80% AM (1kHz)Source impedance150Ω

6 0.5 cycle, each polarity / 100%

IEC 61000-4-2 A

IEC 61000-4-3 A

IEC 61000-4-4 A

IEC 61000-4-5 A

IEC 61000-4-6 A

IEC 61000-4-11 A

Electrostatic dischargeRatio-frequency electromagnetic fieldAmplitude modulatedFast transients common mode

Surge

Radio-frequency common modeAmplitude modulated

Voltage dips / Short interruption

Input power supply and power supply network 1kV (Line to Line) 2kV (Line to Ground)I/O signal/control 1kV (Line to Ground)

* See Note 1

Note 1: Definition of perf ormance Criterion A

• Analog input v alues are monitored b y a personal computer (PC) via theGCAS. If the value is within 0.1% of full scale, the performance is rated “A”.

Definition of performance Criterion B

• During testing, temporary degration, or loss of function or performance whichis self-recovering.

Note 2: This is an ad ditional test item.



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1.6 Data Plate


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2. INSTALLATION AND WIRINGIf GCIU is to be installed in a hazardous location, do the wiring according to the appli-cable explosion-proof requirements.

2.1 Installation(1) Installation Site

Install the GCIU where the following conditions are met :

(a) Specified environment conditions (atmospheric gases) are satisfied if used in ahazardous area.

(b) Less vibration.

(c) Not subject to rainfall or direct sunlight.

(d) No corrosibe gas or few dust.

(2) Unpacking

The model GCIU weights about 40kg. Unpacking it near the instlallation site.

Handle it carefully so that it does not fall.

(3) Installation

To securel y install the GCIU on a wall, use a nut and a bolt f or each hole .


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2.2 Wiring

2.2.1 General Cautions on Wiring

CAUTION

• Lay the signal wiring and electrical wiring inseparate conduit pipes or duct, respectively.

• Make independent grounding having a grounding resistance of 100 Ω or less.

NOTE

The door is locked by special tool. In the case of opening the door,please use the attached tool.The cover is locked by special screw. In the case of opening thecover,please use the Hexagonal Wrench attached.

CAUTION

Be sure to lock the door using the tool attached after opening thedoor.Be sure to lock the cover with the special screw using theHexagonal Wrench attached after replacing the cover as it was.

2.2.2 Kinds of WiringThe following kinds of wiring are required for GCIU.

The wiring required varies with the specification.

(A) Electrical wiring for power circuit

(B) Gounding circuit

(C) Analyzer Bus (Twisted P air cab le)

(D) Signal lines

CAUTION

This product complies with CE marking.Where a performance suit for CE marking is necessary, thefollowing wiring procedure is necessary.1. Install an external switch or circuit breaker to the power supplyof the equipment.

2. Use an external switch or circuit breaker rated 5A andconforms to IEC 947-1 or IEC 947-3.

3. It is recommended that the external switch or circuit breaker bemounted in the same room as the equipment.

4. The external switch or circuit breaker should be installed withinthe reach of the operator, and marked as the power supplyswitch of this equipment.



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2.2.3 Recommended Cables(A) Electrical wiring for power circuit: 1.25mm2 to 2.0mm 2

(B) Gounding circuit: 2.0mm2

(C) Analyzer Bus (Twisted P air cab le): 0.2mm2 to 1.25mm2 , 200m (650ft.) or less

Cable shield is required

Resistance (DC): 28.6-ohm / 300m(1000ft.) max.

Caracteristic impedance: 105-ohm at1MHz

Reduction: 16.0dB / 300m (1000ft.) max.at 5MHz

(D) Signal lines: 0.75mm2 to 1.5mm2 , 1000m or less

Cable shield is required

Note 1:Use “MKKDSN” Series terminals (manufactured by Phoenix Contact K. K.) for the Analyzer Bus (Twisted Paircable) (C), Signal lines (D).For these wiring connections, use AI series crimp-on terminals also manufactured by the company. Four typesof crimp-on terminals are used to meet wire diameters (see the table below).Please peel off the cover of wire by 5mm if you do not use the terminal and contact with the terminal. 5mm isthe manufacturer’s recommendation values.

Table 2.1

0.75mm2 Less than 2.8mm2 AI 0.75-6GY

1.0mm2 Less than 3.0mm2 AI 1-6RD

1.5mm2 Less than 3.4mm2 AI 1.5-6BK

Wire Diameter Terminal TypeOutside Diameter

T0201.EPS



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2.2.4 Precautions on Wiring

<CENELEC>

WARNING

• All wiring shall comply with local installation requirements and local electrical code.• The cable entry devises shall be of a certified flameproof type, suitable for the conditions of use.

Electrical connection

The type of electrical connection is stamped near the electrical connection portaccording to following codes.

(Code)

• 3/4 NPT female : N

• PG 21 female : D

• G 3/4 female : G

• ISO M25X1.5 female : none (Code is not stamped.)

Safety device

A safety device meeting the following requirements must be used for every analoginput line and digital output line.

Function:

If power is not supplied to an electronic section due to incidents such as internalpressure dr op, a safety device cuts off the flo w of external ener gy into the electr onicsection via analog input lines or digital output lines.

Circuit diagram to realize Safety device:

Contact Yokogawa

Other requirements:

"Conformity to the explosion-proof construction appropriate for the installationenvironment"

"Conformity to EN954 (Safety of machinery-safety related parts of a control system)"



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2.2.5 Power Cable Termination and Grounding Wire

CAUTION

• Wire the power supply cable keeping the distance of 1 cm or more from other signal wires.

• Power supply cable must conform to UL or CSA.• Do wiring after you do protective grounding securely.

(1) Cable termination

Use solderless lugs for all power cables (See Figure 2.1).

(2) Solderless (crimp-on) lug specifications

The solderless lug to use m ust ha ve the dimensions given in Table 2.2 accor ding to thenominal cross sectional area of the power cable for which the lug is to be used.

Table 2.2 Solderless Lug Dimensions

Nominal cross sectional area

Screw used(mm)

Hole diameter(mm)

Lug outside diameter

(mm)

Lug length(mm)

Insulation covering inside diameter (mm)

Remarks (Note)(Example of applicable

solderless lug)

1.25mm2 4 4.3 or more 8.7 or less About 21 5.8 or less AMP 170781-1JST V1.25-4

2.0mm2 4 4.3 or more 8.7 or less About 21 5.8 or less AMP 170782-1JST V2-4

T0202.EPS

*1: Solderless lugs vary in outside diameter depending on teh type of teh equipment for which the power cable isused.

Note :

AMP: Japan AMP Co., Ltd.

JST: JST Co., Ltd. (Insulators 0.8 mm 2 or more in size are optionally available.)

F0201.EPS

Hole diameter

Lug outsidediameter

Lug length

Insulation covering inside diameter

C

Figure 2.1 Solderless Lug

<CENELEC>

WARNING

The cable entry devices and the blanking elements shall be of acertified flameproof type, suitable for the conditions of use and cor-rectly installed.For external earthing or bonding connection a cable lug shall be usedso that the conductor is secured against loosening and twisting andthat contact pressure is permanently maintained.



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(A) Electrical wiring for power circuit

<CENELEC>

Figure 2.2

<General Purpose>

Figure 2.3



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(B) Gounding circuit

Figure 2.4

CAUTION

• For protective grounding of terminal connector-type devices, connect to the terminal.

• For grounding of devices with function grounding terminals, connect to the terminal.

2.2.6 Analyzer BusRefer to Figure 2.4.

CAUTION

• Do wiring after you do protective grounding securely.



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2.2.7 Signal LinesRefer to Figure 2.4.

Table 2.3

Terminal No. Signal Terminal No. SignalTerminal No. Signal

Digital output(Enclosure pressure drop alarm)

85 (NO)43 (NO)1 (NO)

86 (NC) Digital output 144 (NC)2 (NC)

87 (COM)45 (COM)3 (COM)

Digital output(System alarm)

Digital output 3

88 (NO)46 (NO)4 (NO)


90 (COM)48 (COM)6 (COM)

Digital output 2

Digital output 6

91 (NO)49 (NO)7 (NO)


93 (COM)51 (COM)9 (COM)

Digital output 5

Digital output 9

94 (NO)52 (NO)10 (NO)


96 (COM)54 (COM)12 (COM)

Digital output 8

Digital output 12

97 (NO)55 (NO)13 (NO)


99 (COM)57 (COM)15 (COM)

Digital output 11

Digital output 15

100 (NO)58 (NO)16 (NO)


102 (COM)60 (COM)18 (COM)

Digital output 14

Digital input 2103 (+)61 (+)19 (+)

104 (-)Digital input 3

62 (-)20 (-)Digital input 1

Digital input 5105 (+)63 (+)21 (+)



Digital input 8107 (+)65 (+)23 (+)



Digital input 11109 (+)67 (+)25 (+)



Digital input 14111 (+)69 (+)27 (+)



NC

NC

113 (+)7129 (+)

114 (-)Analog input 1


Analog input 3115 (+)73 (+)31 (+)


74 (-) 32 (-)Analog input 2

Analog input 6117 (+)75 (+)33 (+)


76 (-)34 (-)Analog input 5

Analog input 9119 (+)77 (+)35 (+)



Analog input 12121 (+)79 (+)37 (+)



Analog input 15123 (+)81 (+)39 (+)


Power off signal


Power OFF signal125 (+)83 (+)41 (+)

126 (-)84 (-)42 (-)Power OFF signal

T0203.EPS



TI 11B05B02-02E

2.2.8 Terminal connection of shielded signal cables for CENELECThe shield of a signal line (shielded cable) to be connected to the GCIU should beconnected to the grounding terminal inside the GCIU.

The signal lines listed below should be mounted with ferrite cores. In mounting, thesignal line should be turned the specified number of turns at the joint with the ferritecore.

Ferrite Core Number ofPart Number Turns

Analyzer Bus K9407JG 3Digital Output K9407JG 2Power Off Signal K9407JH 1

Cable Name

The ferrite core should be mounted close to the cable inlet.

Take the shor test r oute f or connecting the shield to the gr ounding terminal.

2.2.9 Turning On the PowerTurn on the po wer after c hecking that the wiring and the e xplosion pr otectionperformance is secured.



TI 11B05B02-02E

2.3 Piping

2.3.1 General Notes on Piping Work(1) Use an anti-corrosion material for the pipes and pipe fittings.

(2) Use pipes and pipe fittings free of interior contamination from grease, oil or othersubstances. Before connecting those piped, completely air-purge their interiors.

(3) Carefully connect the pipes so that there is no leakage from the pipe connectionssuch as the joints.

(4) Use filters or other appropriate pipe fittings to prevent dust, moisture, or otherforeign matter fr om getting inseide the anal yzer.

2.3.2 Type of PipingThe type of piping is purge air pipe.

2.3.3 Piping Connection• These are the pipes for supplying air to the GCIU for purging the inside of the

electr onics section. Usuall y an air pressure of 350kP a or more is required. Thus,use general instrument air as the air supply and do the pipung to the GCIUthrough a pressure regulator fr om the air suppl y.Refer to Figure 2.4 (External Dimensions).

• Use piping of O.D. 1/4 inch stainless steel treated for oil-inhabition.


Revision Record

Manual No. : TI 11B05B02-02E

Title : GCIU Interface Unit Installation Manual

Aug. 2001 / 1st EditionNewly published

Dec. 2006 / 2nd EditionSection 1.5: Safety regulation is updated accordingly.

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Technical GCIU Information Interface Unit

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