SERIES Pitagora TSS - S2Tech · Pitagora series of instruments, even when connected to transducers...

T R A N S D U C E R S & INDUSTRIAL I N S T R U M E N T A T I O N

TENSIOMETER

SERIES Pitagora TSS

Version 1 Rev. 4 dated 06/02/06

TECHNICAL MANUAL

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DOCUMENT HYSTORY

Hardware version Firmware version Document version

PIT MA V0 V.02.10 V 1.0

PIT MA V0 V.02.10 V 1.1

PIT MA V0 V.02.10 V 1.2

PIT MA V0 V.02.16 V 1.3: continuous power on through dedicated

external power supply and external battery charger

PIT MA V0 V.02.16 V 1.4: added Baud rate @ 115200

P:\TensiometroTSS\Traduzione Multilingue\TensiometerTSS_V1r4 UK.doc

Notice: The information in this manual is subject to change without notice. DS Europe shall

not be liable for technical or editorial errors or omissions contained herein, nor for incidental or

consequential damages resulting from the furnishing, performance, or use of this material. This

manual contains information protected by copyright.

No part of this manual may be photocopied, or reproduced in any form, or translated without prior

written consent from DS Europe.

Tensiometer’s preliminary manual - TSS V1 r. 4 dtd 06/02/06

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FOREWORD 1. This manual is integral part of the shipment and it is supplied with the Product even if not listed in

the invoice.

This manual can also be sent during purchase negotiation on Buyer’s request provided that the Buyer

states end application of the Product.

Except as expressly request by the Buyer, only one copy of this manual may be attached to

shipments consisting of more than one unit of the Product.

Additional or updated copies of this document may be found on our web site at the following

address: www.dseurope.com

2. The Products, which are the subjects of this manual, are designed and manufactured for general use;

therefore, being not possible to specify limits of use for all applications, the Buyer shall introduce

safety measures in order to avoid personal injuries, damages to property or damages due to plants

stoppage, etc.

In case of use that can cause risk of damages, the Buyer shall immediately advise the Supplier in

order that it can suggest safety solutions or can decide to reject the order and not to deliver the

Product.

3. Pitagora series of instruments are not certified instruments; it is Buyer’s responsibility to check

instrument suitability to the requirements of the specific application.

4. Pitagora series of instruments, even when connected to transducers or other equipment, are only parts

of more complex systems and plants; they are sold in thousands per year, for the most different

applications which shall meet as many different norms that are not always known to the Supplier.

For these reasons, DS Europe is obliged to disclaim all responsibility concerning the use of the

instrument; however, a list of the most elementary and basic precautions for the correct use of the

instrument is given in this manual.

Besides, the need of a complete and specific insurance policy is highlighted, especially when

systems and machinery are to be installed in Countries like United States or Canada.

5. Pitagora series of instruments are designed and manufactured by DS Europe conforming to the

highest quality standards; the instruments are rugged and designed to the highest possible safety and

reliability: limitations and precautions listed in this manual are aimed to draw Buyer’s attention to

the importance of avoiding damages.

6. During manufacturing process, Pitagora series of instruments are submitted to several intermediate

tests and to a final test including performance test of all functions.

Electrical, temperature and mechanical sampling tests are periodically carried out to check

conformity of manufactured items to Product specifications.

For the overmentioned it is thereby certified that the delivered Product is completely operating.

S2Tech Srl.

Via Imperia 28

20142 MILANO - ITALY

Tel. 02 8910142

Fax. 02 89124848 www.s2tech.it

E-mail : [email protected]


http://www.dseurope.com/

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SUMMARY 1

2

CE declaration .................................................................................

System description ...........................................................................

5

6 2.1 What is shipped with the measurement system ............................................................ 6

2.2 Measurement instrument .............................................................................................. 6

2.3 External power supply .................................................................................................. 7

2.4 Battery recharger .......................................................................................................... 8

2.5 Rechargeable batteries .................................................................................................. 8

3 Electrical connections ..................................................................... 9 3.1 Instrument’s power supply ........................................................................................... 9

3.2 Power status indicators ................................................................................................. 10

3.3 Earth connection – CE norms ....................................................................................... 11

3.4 Amplified analog output connections ........................................................................... 11

3.5 TSS transducer’s connection ........................................................................................ 12

3.6 Serial connection .......................................................................................................... 12

4 TSS transducer ............................................................................... 13

5 TSS transducer installation ........................................................... 14

6 Pitagora display instrument .......................................................... 15 6.1 Pitagora LCD display ................................................................................................... 15

6.2 Display .......................................................................................................................... 15

6.3 Pitagora operation ......................................................................................................... 16

7 Instrument’s customization ........................................................... 18 7.1 General setting procedure ............................................................................................. 18

7.2 Setting working parameters .......................................................................................... 19

7.3 Serial connection settings ............................................................................................. 20

8 Sales conditions ............................................................................... 21


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1 CE declaration

Applied Council’s directives: EN 61326

Conformity to Standards: EMC: EN 61000-6-4 (2001) EN 61000-6-2 (2001)

EN 55011 (1998)+ A1 (1999) + A2 (2002) EN 55014-1 (2000) + A1 (2001) + A2 (2002)

EN 61000-4-2 (1995) + A1 (1998) + A2 (2002) EN 61000-4-3 (1996) + A1 (1998) + A2 (2001) EN 61000-4-4 (1995) + A1 (2001) + A2 (2002) EN 61000-4-5 (1995) + A1 (2001) EN 61000-4-6 (1996) + A1 (2001) EN 61000-4-8 (1993) + A1 (2001) EN 61000-4-11 (1994) + A1 (2001)

Manufacturer: DS Europe srl

Address: via F. Russoli, 6 Milan (Italy)

Equipment type: Indicator Conditioner

Model: PITAGORA

Year of registered mark: 2003

The equipment has been tested in the typical installation configuration, as described by the instruction manual of the Product.

DS Europe srl certify that the above defined equipment meets the requirements of above mentioned EMC directives.

Milan, 27/11/2003 DS Europe srl Technical dept.


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2 System description

2.1 What is shipped with the measurement system

The following material is part of the measurement system:

1. N° 1 transport suitcase

2. N° 1 Pitagora instrument

3. N° 1 TSS tensioning transducer

4. N° 4 rechargeable NiMH batteries (capacity depending from market availability)

5. N° 1 line operated power supply, complete with Manufacturer’s instruction manual

6. N° 1 line operated battery charger, complete with Manufacturer’s instruction manual

7. N° 2 System instruction manual (Italian / English)

2.2 Measurement instrument Reference Description

1 Pitagora instrument.

2 System main power switch.

3 Unlock and rotation points for instrument’s handle (transport and stand-on).

4 M12 male connector, for the connection to TSS tensiometer’s transducer.

5 Plug for external powering of the measurement system and recharge of the

internal batteries.

6 Green LED, to indicate power supply presence.

7 Red LED, to indicate empty battery condition.

8 Screw terminal removable connector to be used for:

A) earth connection (left most connection)

B) 1-4 V analog output

9 Battery holder.

10 N° 4 AA rechargeable batteries (NiMH), 1,2 V (supplied with the system).

11 DB9 female connector, for serial connection to remote PC.


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Below view Battery detail

2.3 External power supply Measurement instrument is supplied with a line power supply, to be used when the instrument has

to he used for long term measurements that cannot be performed using battery power supply.

Prior using the Tensiometer with external line power supply:

• REMOVE all the installed batteries from the battery holder [9]

• VERIFY that external line power supply is set to supply the instrument with a voltage NOT

GREATER than 5 V

Please refer to enclosed Manufacturer’s instructions for proper use.

The power supply can work with line from 110 to 240 V AC (50 – 60 Hz).

Supplied power supply: ANSMANN code APS1612 (code 5C11013), or other equivalent product

depending availability on the market.

O

utput voltage setting for Tensiometer power

supply

External line power supply with adapters


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2.4 Battery recharger The supplied battery charger allows to charge nickel-cadmium or nickel-metalhydride AA batteries,

when they are removed from the Tensiometer.

Please refer to enclosed Manufacturer’s instructions for proper use.

The battery charger can work with line from 110 to 240 V AC (50 – 60 Hz).

Supplied power supply: ANSMANN code 5007023/EU03 or code 5007033/EU, or other equivalent

product depending availability on the market.

2.5 Rechargeable batteries

With the measurement system are supplied n° 4 ANSMANN rechargeable batteries, model 5030192

or other equivalent product that may be found by the Manufacturer at the moment of the delivery of

the system.

The use of batteries with different capacity may lead to a working autonomy that will differ from

the one available with the supplied batteries.

As a not binding example, since these data strongly depend from the health of the batteries, from

temperature, form the number of working cycles and other parameters, a nominal working time may

be assumed as:

Batteries = N° 4 - 1,2 V batteries 1800mA/each

System’s power consumption = 300 mA

Nominal battery life = 6 ÷ 8 hours


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3 Electrical connections

3.1 Instrument’s power supply Instrument has been developed in order to work with four high capacity NiMH AA 1,2 V

rechargeable batteries. It is possible to use batteries of different type and different capacity from the

one supplied, maintaining the compatibility with the supplied recharger.

Manufacturer indicates a finite number of charge /discharge cycles for the supplied batteries. As

indication around 1000 cycles may be expected.

In order to obtain best performances and working life as long as possible, Manufacturer suggests:

• Avoid to use such type of batteries with batteries built around different technologies.

• Use batteries that have equal capacity.

• Prior their use fully charge the batteries.

• Do NOT short circuit, do NOT solder, do NOT dismount, do NOT throw in the fire the

batteries..

• Respect indicated polarities when installing the batteries in the system.

• It is suggested to proceed, periodically, to a full discharge and charge cycle.

• The charge time depends from battery capacity and form the current supplied by the charger.

Prior to battery substitution it is mandatory to power off the instrument with power switch

[2], in order to avoid possible damages.

It is strongly required to respect polarity indication when installing new batteries in the unit

so to avoid damages to the batteries of the instrument. In the battery holder a sticker indicates

the polarity to be respected.

A female plug [5] is present, in order to connect an external power supply.

The following indications must be respected:

1. When the supplied power supply is used for long term measurements, all installed batteries

must be removed from the instrument.

2. The male connector of the external power supply must respect the following indications:

• positive of the power supply on the central connection;

• power supply ground (GND) on the external connection;

3. In order to have that the instrument works correctly (without any installed battery) it can be

powered with a power source with maximum output voltage of 5,5 Vdc and minimum

output voltage of 2 Vdc. In this condition the power supply must be in position to provide

continuatively 300 mA.

4. A continuous use of the serial connection of the measurement system to a remote computer

will increase the power consumption, having a consequent shorter battery life. When serial

connection to a remote computer is expected it is suggested to use the external line power

supply rather than the batteries.

Please refer to battery charger and external line power supply manual for Manufacturer’s

indications about its correct use.


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3.2 Power status indicators When measurement system is powered on, power status GREEN LED indicates the presence of a

good power supply (unit powered by batteries or by external power supply).

When RED LED power on, it indicates that batteries are empty (after RED LED power on some

power remains in the batteries, but no warranty is given concerning the residual working time

available without any measurement degradation). In this condition it is mandatory to replace the

batteries since measurement quality cannot be assured for the poor quality of the power supply of

instrument. If both LEDs are OFF, it is mandatory to change the batteries with charged ones or to

use an external power supply in alternative.


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3.3 Earth connection – CE norms

In order to obtain the best immunity to electrical disturbs, are suggested the following

recommendations:

• If instrument has an external power supply that is separated from the rest of the power

supplies, connect the “EARTH” terminal to a nearby earth connection of good quality.

• In this condition remember that the signals obtained from the instrument (analog output

signal, RS232 serial connection, etc.) are connected to earth.

Verify not to create earth loops.

• The best condition is obtained when all the power supplies are connected to earth in the

same point (quality of the used “earth connection” defines the immunity to disturbs).

• Avoid to place the instrument’s connection cables near high power cable.

In case no high disturbs sources are present, it can be

avoided to use this earth connection .

NOTE: the external metal housing is electrically

connected to earth if this connection is used .

Removable screw terminal

Terminal Use

1 Earth connection

2 Analog output signal GND

3 Analog output signal 1-4 V

3.4 Amplified analog output connections

By connecting high impedance instrumentation to the screw terminal 2 and 3 it is possible to read

and acquire (strip chart recorders or data loggers) the pre-amplified analogue signal obtained by the

TSS transducer. This signal is characterized by a fixed gain and a zero regulation (around 1 V),

performed by the Pitagora instrument when “C” zeroing pushbutton is pressed. The zeroing

procedure takes some seconds to complete. The 1 to 4 V reference signals are to be considered

nominal. Each measuring system will have an individual signal dynamics and the conversion of this

signal into engineering units must be computer for each system.


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3.5 TSS transducer’s connection

The measurement system is based on Pitagora instrument and the TSS tensiometer transducer.

When using the system it is mandatory to remember the following:

1. On transducer’s label there is a serial number.

This transducer must be used exclusively with the Pitagora instrument to which it has been

matched when the Manufacturer’s calibration has been performed.

The transducer’s serial number is indicated also on instrument’s label and it is good practice

to check their correspondence before starting any measurement.

2. Transducer’s cable is terminated by a female M12, 5 pins connector, in order to ease the

connection to the instrument (male connector). In order to achieve the best quality of

connection, screw the locking ring nut to the instrument’s connector. Do not use the system

with temperatures higher than 60 °C and do not apply traction forces to the connections.

M12 connector Use

1 Supply +

2 Supply- 3 Signal +

4 Signal -

5 Not used

3.6 Serial connection

By means of a remote RS 232 serial connection it is possible to

transfer the measurements

performed by the instrument to a remote computer.

The connection cable must respect the following electrical connections Instrument Computer

T X R X

R X T X

G N D G N D

Generally a standard straight serial cable can be used, considering this pin assignment:

Pitagora - RS 232 Computer

DB 9pins female connector 9 pins connector 25 pins connector

TX 2 2 3

RX 3 3 2

GND 5 5 7

Battery life is reduced if serial connection to a remote computer is used continuously.

In this condition it is recommended to use the measurement system using the external power

supply.


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4 TSS transducer

Reference Description

1 Transducer’s closing knob, to be used after the base [3] has been correctly

positioned on the warp

2 TSS transducer’s measuring element

3 Base, containing the two support bars [4]

4 Support bar (in steel – hard chromium plated surface)

5 M12 female connector

6 N° 2 fixing holes (M6) to be used to fix the transducer to an auxiliary fixed stand (A)

7 N° 4 fixing holes (M4) to be used to fix the transducer to an auxiliary fixed

stand (A)

8 Positioning pins of the measurement element [2] toward the base [3]

9 Transducer’s measuring probe (in steel – hard chromium plated surface)

10 Mating holes for the positioning pins [8] placed on the measurement element [2]


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A) Keep the measuring system powered

on (TSS transducer and Pitagora

instrument) for some minutes and

proceed to the zeroing of the

measurement on the display (C

pushbutton), maintaining the

measurement element [2] parallel to

the plane defined by the wires of the

warp.

B) Install the base [3] on the warp, so

that it is supported by the warp in the

[4C] points.

C) When positioning the base [3] on the

warp it is needed to pull up the section

of warp whose tensioning will be

measured, placing it on top of the base

support bars, on the [4A] and [4B]

sections. Place the wires so that they do

not superimpose and they are using

all the available space in a homogeneous way.

E) Apply the measuring element [2] on the TSS

transducer’s base [3], inserting the positioning

pins [8] in the corresponding guiding holes [10].

F) Lock in position the TSS transducer’s closing

knobs.

It is now possible to start the measurement.

G) In order to avoid that the warp movement moves

the transducer from the choosed position, fix the

TSS transducer to the machine using the

connection g cable.

5 TSS transducer installation

D) The [4A] and [4B] sections, available to arrange the warp whose tensioning is to be measured, is

20 mm wide. Insert in [4A] and [4B] an amount of wires for a corresponding nominal tensioning

of around 30 to 40% of transducer’s full scale.

ATTENTION: avoid to touch the measuring probe

[9] and protect it from accidental hits that may apply

unwanted forces that may damage the transducer.

When the transducer is not used it is suggested to

keep the measuring element [2] fixed on the base [3],

having closed the locking knobs, so to protect the

measuring element. Avoid to use high pressure

compressed air to remove dust or dirty form the TSS

transducer.


5 2

1

3

4

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The TSS transducer is a measuring instrument that can be damaged when the measuring probe [9] is

subject to excessive or anomalous loads, like torsions or other loads that are not corresponding to

the normal use of the unit when measuring warp tensioning.

When using the measurement system always consider wire dimensions. This measurement system

can measure with a variety of different type of wires, with an intrinsic flexibility that allow them to

be deviated by the measurement probe [9] from their natural running plane.

It is to be remembered that friction may influence the quality of the measurement performed by the

instrument.

The system has been calibrated using a cotton wire with an indicative diameter, when compressed,

of 0,2 mm, keeping the TSS transducer in movement toward the wires, so to consider the friction

effect in these conditions.

The measurement system has been calibrated by tensioning the wires at 2000 grams; this load is to

be considered as the full scale of the TSS transducer. In the transducer there is a load limiter, active

with loads higher than the nominal full scale.

Considered that this measurement system is directly applied on a small amount of the total height of

the warp, it is possible that its measurement differs from the one performed by other measurement

systems eventually installed on the machine, based on the measurement of the tensioning of the

total width of the warp (these measurement conditions are different and measurement is affected by

this different context).

6 Pitagora display instrument

6.1 Pitagora LCD display In order to avoid damages to the pushbuttons it is recommended to press as needed, without

exaggerating with the applied force and without using sharpened objects (like screwdrivers)

that may damage the membrane of the instrument.

The displayed measure is expressed in grams.

6.2 Display The LCD display of the Pitagora instrument (no backlight) supplies the following information:

1. Main display , 7 alphanumeric digits, 8 segments plus sign, able to display measurements up

to ± 9999999 or characters and words (capital or lower letter as needed the text readable)

2. Secondary display a 14 alphanumeric digits, used to display indications concerning the

current measurement on pre primary display or to indicate auxiliary indications during the

customization / calibration of the instrument

3. Bar display, with central zero position, to indicate the trend of the measured value.


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4. MENU indication, active when the instrument is in the customization procedure, to indicate

with a numeric reference the current menu level.

5. indication of serial connection activity, with active data transfer. At instrument power on the

main display will show, in sequence, the following information to indicate a correct boot

sequence:

1. Pitagora Product name

2. V 2.10 Installed firmware version

3. MD 8 Instrument’s operating mode

6.3 Pitagora operation NOTE: before starting the measurement it is recommended to keep the measuring system (Pitagora

instrument connected to TSS transducer) some minutes to warm-up, so to stabilize its

characteristics.

The measurement displayed by Pitagora corresponds to:

Instantaneous warp tensioning – Zeroed tare.

The displayed measurement is updated with a rate that depends from:

1. Update frequency of the data generated by the A/D converter.

This frequency is set, by the Manufacturer, at 7,5 Hz to obtain a measurement with the

maximum stability and resolution.. By using the procedures described in this manual it is

possible to set higher update frequencies (up to 3,8 kHz), at detriment of the stability of the

measurement and, consequently, of the obtainable resolution.

2. Filter that will display the mean of 10 measures acquired every 10 milli seconds from the

A/D converter. The displayed value is updated every one second.

After having installed the TSS transducer on the warp it is recommended to let the machine work

for some time in order to let that the warp tensioning stabilizes, considering the temporary over

tensioning of the wires that is consequence of the installation of the transducer on the warp. The

installation of the transducer determines a natural over tensioning of the wires that are deviated by

the transducer and this increase of tensioning is recovered by the wires by letting the machine work

some time before considering the measurements.

The measurement displayed on the Pitagora display differs, as update frequency, form the

measurement that can be obtained by a serial connection to the measurement system, that is not

affected by the filtering applied at point 2.

The measuring system has been calibrated by the Manufacturer with the TSS transducer to which it

is matched (the serial number references are indicated on the labels applied on the products).

It is recommended to maintain the original matching of the units (Transducer and indicator unit) to

avoid measurement errors corresponding to slightly different calibration parameters on the Pitagora

unit, when it is not matched with the right TSS transducer.


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Button Display [2] Effect

C ZEROInG 0

ZEROInG 9

ZEROING DONE

The transducer must not get in contact with the warp, unless the

zeroing procedure is completed.

In order to zero correctly the measurement, keep the TSS transducer

parallel to the plane defined by the wires of the warp, so that the

probe [9] of the measuring element does not get in contact with any

object that may apply unwanted loads..

Keep pressed the C pushbutton, until the Display [2] will indicate

ZEROING followed by a number ranging from 0 to 9, to indicate the

proceeding of the zeroing of the analogue signal and of the displayed

value.

At the end of the zeroing procedure the display will show ZEROING

DONE, getting back to the normal measurement modality.

The zeroing procedure may take up to 10 sec to be completed.

The zeroed measurement is defined as tare = TARE

E TaRE Displays the zeroed measurement (TARE).

▲ = UP

arrow PEaK MaX Instrument displays the maximum peak value measured since the last

zeroing performed on this measurement or since the instrument has

been powered.

▼=

Down

arrow

PEaK MIn Instrument displays the minimum peak value measured since the last

zeroing performed on this measurement or since the instrument has

been powered.

▲+ E PEaK MaX CLEAR Used to clear the maximum peak value measured by the instrument.

▼+ E PEaK MIn CLEAR Used to clear the minimum peak value measured by the instrument..

NOTE: when the instrument is powered off all the TARE, PEAK MAX and PEAK MIN measures are lost.

To convert the analog output signal into engineering units, it is suggested to use the measurements

supplied by the instrument, to define the needed conversion coefficients for the external data

acquisition system.


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7 Instrument’s customization It is possible to modify the instrument’s working parameters, by using the following procedures

when Pitagora instrument is powered on:

Press together the pushbuttons Corresponding settings

▼+ C Calibration settings

▲+ E Serial connection settings

7.1 General setting procedure

It is hereafter described the procedure to be used in order to modify one of the working parameters

of the Pitagora instrument. This procedure applies for all of the available menus.


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7.2 Setting working parameters

NOTE: what described in this procedure allows to modify or set measurement system calibration,

Pitagora instrument plus TSS transducer, by defining a new set of LO and III reference values for

the system (these references allow the conversion of the measured data in engineering units).

By executing this procedure and storing in the instrument a new set of reference values, these will

substitute the existing ones that will be lost in an irreparable way.

Note that the DP parameter defines the decimal point position, with reference to the rightmost

digit of the display. If DP=0 decimal point is not shown. Decimal point has an “aesthetic”

function, since the calibration of the measurement system is performed (LO and IIi parameters)

already considering values expressed in the engineering unit and in the required resolution of

interest for the application.

The ADSPD parameter is set by Factory to 9, in order to obtain a displayed measure with the

highest stability (strong filtering) and resolution. If it is needed to measure faster change in

tensioning, the measure has to be read through the serial connection to the Pitagora instrument,

setting the desired ADSPD value, as required by the application.


BAUD parameter’s value Transmission speed (baud)

0 600

1 1200

2 2400

3 4800

4 9600

5 19200

6 38400

7 57600

8 115200

Default values

Baud rate 7 (57600 baud)

Address 0

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7.3 Serial connection settings

Table 1:Baud rate values.


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8 Sales conditions ( f or a l l DS Europe products )

Warranty

Several electrical and mechanical tests carried out during manufacturing process and the final test carried out on each

unit warrant that delivered Product is free from defects in materials, workmanship and performance.

During the warranty period of six months from delivery, at no additional charge, Product rendered defective under

normal use will be repaired or replaced at DS Europe factory.

The Product shall be forwarded at Buyer’s expense concerning shipping, insurance, customs duties or any other charges

associated with transportation of the Product.

This Limited Warranty does not extend to any Product that has been damaged or rendered defective as a result of

accident, misuse, or abuse.

Moreover, in case of heavy or non-reparable damages, the Product may be rendered disassembled to the Buyer if the

cost to re-assemble the Product will not be paid.

The Product contains firmware that is provided on an “AS IS” basis: essentially, firmware is in accordance with the

description of the Product manual.

Except as expressly set forth in this warranty, DS Europe makes no other warranties, expressed or implied, including

any implied warranties of merchantability and fitness for a particular purpose, concerning hardware and firmware of the

Product and its relevant documentation.

This Limited Warranty does not extend to any semiconductors: integrated circuits, transistors, diodes, microprocessors,

memories and whatever else not covered by semiconductor Manufacturers’ warranty.

The Buyer shall check the delivered Product within 10 days from receipt; after this limit, the Product shall be

considered accepted.

DS Europe liability is limited to the above; DS Europe is not liable for any personal injuries, damages to property or

damages due to stoppage of machinery or plants caused by installation and use of supplied Product (including, without

any limits, any lost profits, lost savings, stoppage of activities, lost information or any other economic losses).

Damage responsibility

DS Europe products are parts of more complex systems and plants; these are sold in thousands per year, for thousands

different applications with thousands of norms and precautions concerning installation and use that are not known to the

Manufacturer.

In case of installation or use that can directly or indirectly cause personal injuries, damages to property or damages due

to stoppage of machinery or plants, before installation the Buyer shall immediately advise DS Europe that will stop

purchase negotiation or suspend deliveries of the Product.

However, to minimize or to avoid risk of damages, DS Europe is available, without any responsibility, to suggest

solutions and protection accessories, test certifications, competent Bodies or consultant Institutes.

Moreover, it is recommended to read carefully installation and use instructions attached to Product delivery.

These instructions can also be sent during purchase negotiation on Buyer’s request.

NOTICE:

Even if not expressly mentioned, these “Terms of Sale” are integral and complementary part of any bulletin, invoice or

instruction manual.

DS EUROPE S.R.L.

Terms of Sale no. 140998 of September 14th, 1998.


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