WAGO 750-651 Manuale utente

Fieldbus Independent

I/O Modules

TTY-Interface 20mA Current Loop

750-651 (/xxx-xxx)

Manual

Version 1.0.3

ii • General

WAGO-I/O-SYSTEM 750

I/O Modules

WAGO Kontakttechnik GmbH & Co. KG

Hansastraße 27

D-32423 Minden

Phone: +49 (0) 571/8 87 – 0

Fax: +49 (0) 571/8 87 – 1 69

E-Mail: [email protected]

Web: http://www.wago.com

Technical Support

Phone: +49 (0) 571/8 87 – 5 55

Fax: +49 (0) 571/8 87 – 85 55

E-Mail: [email protected]

Every conceivable measure has been taken to ensure the correctness and com-

pleteness of this documentation. However, as errors can never be fully ex-

cluded, we would appreciate any information or ideas at any time.

E-Mail: [email protected]

We wish to point out that the software and hardware terms as well as the

trademarks of companies used and/or mentioned in the present manual are

generally trademark or patent protected.

Content •iii

WAGO-I/O-SYSTEM 750

I/O Modules

Content

1Important Notes ..........................................................................................4

1.1 Legal Bases...............................................................................................4

1.1.1 Copyright ............................................................................................. 4

1.1.2 Personnel Qualifications......................................................................4

1.1.3 Use of the 750 Series in Compliance with Underlying Provisions .....5

1.1.4 Technical Condition of Specified Devices .......................................... 5

1.2 Standards and Guidelines for Operating the 750 Series...........................6

1.3 Symbols....................................................................................................7

1.4 Safety Information....................................................................................8

1.5 Font Conventions ..................................................................................... 9

1.6 Number Notation......................................................................................9

1.7 Scope ......................................................................................................10

2I/O Modules...............................................................................................11

2.1 Special Modules ..................................................................................... 11

2.1.1 750-651 (/xxx-xxx) [TTY-Interface 20mA Current Loop] .............. 11

2.1.1.1 Variations...................................................................................... 11

2.1.1.2 View..............................................................................................11

2.1.1.3 Description.................................................................................... 12

2.1.1.4 Display Elements .......................................................................... 13

2.1.1.5 Schematic Diagram....................................................................... 13

2.1.1.6 Technical Data .............................................................................. 14

2.1.1.7 Functional description................................................................... 15

2.1.1.8 Process Image ............................................................................... 17

2.1.1.9 Datatransfer................................................................................... 18

2.1.1.9.1 Example....................................................................................19

3Use in Hazardous Environments.............................................................22

3.1 Marking Configuration Examples..........................................................23

3.1.1 Marking for Europe according to CENELEC and IEC ..................... 23

3.1.2 Marking for America according to NEC 500 .................................... 26

3.2 Installation Regulations.......................................................................... 27

3.2.1 Special Conditions for Safe Operation of the ATEX and IEC Ex (acc.

DEMKO 08 ATEX 142851X and IECEx PTB 07.0064).................. 28

3.2.2 Special conditions for safe use (ATEX Certificate TÜV 07 ATEX

554086 X) ..........................................................................................29

3.2.3 Special conditions for safe use (IEC-Ex Certificate TUN 09.0001 X)31

3.2.4 Special conditions for safe use (ATEX Certificate DEKRA

11ATEX0203 X) ............................................................................... 33

3.2.5 ANSI/ISA 12.12.01 ........................................................................... 34

4 •Content

Legal Bases

WAGO-I/O-SYSTEM 750

I/O Modules

1 Important Notes

This section includes an overall summary of the most important safety

requirements and notes that are mentioned in each individual section. To

protect your health and prevent damage to devices as well, it is imperative to

read and carefully follow the safety guidelines.

1.1 Legal Bases

1.1.1 Copyright

This Manual, including all figures and illustrations, is copyright-protected.

Any further use of this Manual by third parties that violate pertinent copyright

provisions is prohibited. Reproduction, translation, electronic and

phototechnical filing/archiving (e.g., photocopying) as well as any

amendments require the written consent of WAGO Kontakttechnik GmbH &

Co. KG, Minden, Germany. Non-observance will involve the right to assert

damage claims.

WAGO Kontakttechnik GmbH & Co. KG reserves the right to provide for any

alterations or modifications that serve to increase the efficiency of technical

progress. WAGO Kontakttechnik GmbH & Co. KG owns all rights arising

from the granting of patents or from the legal protection of utility patents.

Third-party products are always mentioned without any reference to patent

rights. Thus, the existence of such rights cannot be excluded.

1.1.2 Personnel Qualifications

The use of the product described in this Manual requires special personnel

qualifications, as shown in the following table:

Activity Electrical specialist Instructed

personnel*)

Specialists**) having

qualifications in PLC

programming

Assembly X X

Commissioning X X

Programming X

Maintenance X X

Troubleshooting X

Disassembly X X

*) Instructed persons have been trained by qualified personnel or electrical specialists.

**) A specialist is a person, who – thanks to technical training – has the qualification, know-

ledge and expertise to meet the required specifications of this work and to identify any po-

tential hazardous situation in the above listed fields of activity.

Important Notes •5

Legal Bases

WAGO-I/O-SYSTEM 750

I/O Modules

All responsible persons have to familiarize themselves with the underlying

legal standards to be applied. WAGO Kontakttechnik GmbH & Co. KG does

not assume any liability whatsoever resulting from improper handling and

damage incurred to both WAGO´s own and third-party products by

disregarding detailed information in this Manual.

1.1.3 Use of the 750 Series in Compliance with Underlying

Provisions

Couplers, controllers and I/O modules found in the modular WAGO-I/O-

SYSTEM 750 receive digital and analog signals from sensors and transmit

them to the actuators or higher-level control systems. Using programmable

controllers, the signals can also be (pre-)processed.

The components have been developed for use in an environment that meets

the IP20 protection class criteria. Protection against finger injury and solid

impurities up to 12.5 mm diameter is assured; protection against water damage

is not ensured. Unless otherwise specified, operation of the components in wet

and dusty environments is prohibited.

1.1.4 Technical Condition of Specified Devices

The components to be supplied Ex Works, are equipped with hardware and

software configurations, which meet the individual application requirements.

Changes in hardware, software and firmware are permitted exclusively within

the framework of the various alternatives that are documented in the specific

manuals. WAGO Kontakttechnik GmbH & Co. KG will be exempted from

any liability in case of changes in hardware or software as well as to non-

compliant usage of components.

Please send your request for modified and new hardware or software

configurations directly to WAGO Kontakttechnik GmbH & Co. KG.

6 •Content

Standards and Guidelines for Operating the 750 Series

WAGO-I/O-SYSTEM 750

I/O Modules

1.2 Standards and Guidelines for Operating the 750 Series

Please adhere to the standards and guidelines required for the use of your

system:

The data and power lines shall be connected and installed in compliance

with the standards required to avoid failures on your system and to

substantially minimize any imminently hazardous situations resulting in

personal injury.

For assembly, start-up, maintenance and troubleshooting, adhere to the

specific accident prevention provisions which apply to your system (e.g.

BGV A 3, "Electrical Installations and Equipment").

Emergency stop functions and equipment shall not be made ineffective.

See relevant standards (e.g. DIN EN 418).

The equipment of your system shall be conform to EMC guidelines so that

any electromagnetic interferences will be eliminated.

Operating 750 Series components in home applications without further

measures is permitted only if they meet the emission limits (emissions of

interference) in compliance with EN 61000-6-3. You will find the detailed

information in section "WAGO-I/O-SYSTEM 750" "System

Description" "Technical Data".

Please observe the safety precautions against electrostatic discharge in

accordance with DIN EN 61340-5-1/-3. When handling the modules,

please ensure that environmental factors (persons, working place and

packaging) are well grounded.

The valid standards and guidelines applicable for the installation of switch

cabinets shall be adhered to.

Important Notes •7

Symbols

WAGO-I/O-SYSTEM 750

I/O Modules

1.3 Symbols

Danger

Always observe this information to protect persons from injury.

Warning

Always observe this information to prevent damage to the device.

Attention

Marginal conditions that must always be observed to ensure smooth and

efficient operation.

ESD (Electrostatic Discharge)

Warning of damage to the components through electrostatic discharge.

Observe the precautionary measure for handling components at risk of

electrostatic discharge.

Note

Make important notes that are to be complied with so that a trouble-free and

efficient device operation can be guaranteed.

Additional Information

References to additional literature, manuals, data sheets and internet pages.

8 •Content

Safety Information

WAGO-I/O-SYSTEM 750

I/O Modules

1.4 Safety Information

When connecting the device to your installation and during operation, the

following safety notes must be observed:

Danger

The WAGO-I/O-SYSTEM 750 and its components are an open system. It

must only be assembled in housings, cabinets or in electrical operation rooms.

Access is only permitted via a key or tool to authorized qualified personnel.

Danger

All power sources to the device must always be switched off before carrying

out any installation, repair or maintenance work.

Warning

Replace defective or damaged device/module (e.g. in the event of deformed

contacts), as the functionality of field bus station in question can no longer be

ensured on a long-term basis.

Warning

The components are not resistant against materials having seeping and

insulating properties. Belonging to this group of materials is: e.g. aerosols,

silicones, triglycerides (found in some hand creams). If it cannot be ruled out

that these materials appear in the component environment, then the

components must be installed in an enclosure that is resistant against the

above mentioned materials. Clean tools and materials are generally required

to operate the device/module.

Warning

Soiled contacts must be cleaned using oil-free compressed air or with ethyl

alcohol and leather cloths.

Warning

Do not use contact sprays, which could possibly impair the functioning of the

contact area.

Warning

Avoid reverse polarity of data and power lines, as this may damage the

devices.

ESD (Electrostatic Discharge)

The devices are equipped with electronic components that may be destroyed

by electrostatic discharge when touched.

Important Notes •9

Font Conventions

WAGO-I/O-SYSTEM 750

I/O Modules

Warning

For components with ETHERNET/RJ-45 connectors:

Only for use in LAN, not for connection to telecommunication circuits.

1.5 Font Conventions

italic Names of paths and data files are marked in italic-type.

e.g.: C:\Programs\WAGO-IO-CHECK

italic Menu items are marked in italic-type, bold letters.

e.g.: Save

\ A backslash between two names characterizes the selection of a

menu point from a menu.

e.g.: File \ New

END Pushbuttons are marked as bold with small capitals

e.g.: ENTER

< > Keys are marked bold within angle brackets

e.g.: <F5>

Courier The print font for program codes is Courier.

e.g.: END_VAR

1.6 Number Notation

Number code Example Note

Decimal 100 Normal notation

Hexadecimal 0x64 C notation

Binary '100'

'0110.0100'

In quotation marks,

nibble separated with dots (.)

10 •Important Notes

Scope

WAGO-I/O-SYSTEM 750

I/O Modules

1.7 Scope

This manual describes the Digital Input Module 750-651 (/xxx-xxx) TTY-

Interface 20mA Current Loop of the modular WAGO-I/O-SYSTEM 750.

Handling, assembly and start-up are described in the manual of the Fieldbus

Coupler. Therefore this documentation is valid only in the connection with the

appropriate manual.

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