WAGO 2-channel, 4-20mA, HART, single-ended User manual

Manual

WAGO-I/O-SYSTEM 750

2 AI 4-20 mA 12 Bit S.E. HART

750-482

2-Channel-Analog Input Module 4-20 mA HART

V 1.1.0

2 General WAGO-I/O-SYSTEM 750

750-482 2 AI 4-20 mA 12 Bit S.E. HART

Manual

V 1.1.0

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General

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 accuracy and

completeness of this documentation. However, as errors can never be fully

excluded, we always appreciate any information or suggestions for improving the

documentation.

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 protected by trademark or patent.

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WAGO-I/O-SYSTEM 750 Table of Contents 3

750-482 2 AI 4-20 mA 12 Bit S.E. HART

Manual

V 1.1.0

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Table of Contents

General ................................................................................................................... 2

Table of Contents................................................................................................... 3

1 Notes about this Documentation................................................................. 5

1.1 Validity of this Documentation...................................................................... 5

1.2 Copyright ....................................................................................................... 5

1.3 Symbols.......................................................................................................... 6

1.4 Number Notation ........................................................................................... 8

1.5 Font Conventions........................................................................................... 8

2 Important Notes ........................................................................................... 9

2.1 Legal Bases .................................................................................................... 9

2.1.1 Subject to Changes.................................................................................... 9

2.1.2 Personnel Qualifications ........................................................................... 9

2.1.3 Use of the 750 Series in Compliance with Underlying Provisions........... 9

2.1.4 Technical Condition of Specified Devices.............................................. 10

2.2 Safety Advice (Precautions) ........................................................................ 11

3 Device Description ..................................................................................... 13

3.1 View............................................................................................................. 16

3.2 Connectors ................................................................................................... 17

3.3 Display Elements ......................................................................................... 18

3.4 Schematic Diagram...................................................................................... 19

3.5 Technical Data ............................................................................................. 20

3.5.1 Device Data............................................................................................. 20

3.5.2 Supply ..................................................................................................... 20

3.5.3 Communication....................................................................................... 20

3.5.4 Inputs....................................................................................................... 20

3.6 Approvals..................................................................................................... 21

3.7 EMC Standards ............................................................................................ 21

4 Assembly..................................................................................................... 22

4.1 Assembly Sequence ..................................................................................... 22

4.2 Inserting and Removing Devices................................................................. 23

4.2.1 Inserting I/O Module............................................................................... 23

4.2.2 Removing the I/O Module ...................................................................... 24

5 Connect Devices ......................................................................................... 25

5.1 Connecting a conductor to the CAGE CLAMP

®

......................................... 25

5.2 Connection Examples .................................................................................. 26

5.2.1 Connecting Passive HART Sensors........................................................ 26

5.2.1.1 Connecting a 2-Conductor HART Sensor.......................................... 26

5.2.1.2 Connecting a 3-Conductor HART Sensor.......................................... 27

5.2.2 Connecting Active HART Sensors ......................................................... 28

5.2.2.1 Connecting an Active 24VDC HART Sensor.................................... 29

5.2.2.2 Connecting an active 230VAC HART Sensor ................................... 29

6 Function Description ................................................................................. 30

4 Table of Contents WAGO-I/O-SYSTEM 750

750-482 2 AI 4-20 mA 12 Bit S.E. HART

Manual

V 1.1.0

7 Operating Modes........................................................................................ 31

7.1 Setting the Operating Mode Parameters ...................................................... 32

7.1.1 Setting Up using WAGO-I/O-CHECK 2 ................................................ 32

7.1.2 Setting Up via GSD................................................................................. 35

7.2 FDT/DTM Concept...................................................................................... 39

7.3 HART on PROFIBUS ................................................................................. 41

8 Description of Operation........................................................................... 41

8.1 With PLC Library on all compatible 75x-xxx Couplers/Controllers........... 42

8.1.1 Communication with 75x-xxx via PLC Library ..................................... 43

8.1.2 Commissioning on a 75x-xxx via PLC Library ...................................... 43

8.2 FDT/DTM with the 750-841 ETHERNET Controller................................. 45

8.2.1 Communication on 750-841 via FDT/DTM ........................................... 46

8.2.2 Commissioning 750-841 via FDT/DTM................................................. 47

8.3 With HART Dynamic Variables on PROFIBUS DP/V1 750-333 and 750-

833........................................................................................................... 51

8.3.1 Communication on the 750-333, -833 with Dynamic Variables ............ 52

8.3.2 Commissioning on the 750-333, -833 with Dynamic Variables............. 52

8.4 FDT/DTM with the PROFIBUS DP/V1 750-333, 750-833........................ 55

8.4.1 Communication on 750-333, -833 via FDT/DTM.................................. 55

8.4.2 Commisioning on a 750-333, -833 via FDT/DTM ................................. 56

9 Process Image............................................................................................. 64

9.1 2 AI 4-20 mA + 6-Byte Mailbox ................................................................. 65

9.2 2 AI 4-20 mA, 1 HART Variable per Channel............................................ 67

9.3 2 AI 4-20 mA, 2 HART Variables per Channel .......................................... 68

9.4 2 AI 4-20 mA, 3 HART Variables per Channel .......................................... 69

9.5 2 AI 4-20 mA, 4 HART Variables per Channel .......................................... 70

9.6 AI 4-20 mA + Acyclic PROFIBUS Services............................................... 72

10 Appendix: Information for Hart Library................................................ 73

10.1 Codesys Library ...................................................................................... 73

10.2 PROFIBUS Gateway .............................................................................. 73

11 Use in Hazardous Environments .............................................................. 74

11.1 Identification ........................................................................................... 74

11.1.1 For Europe according to CENELEC and IEC......................................... 74

11.1.2 For America according to NEC 500........................................................ 75

11.2 Installation Regulations........................................................................... 76

11.2.1 ANSI/ISA 12.12.01................................................................................. 77

11.2.2 TÜV Nord Ex-i applications ................................................................... 78

11.2.3 ATEX and IEC Ex .................................................................................. 79

List of Figures...................................................................................................... 80

List of Tables........................................................................................................ 81

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WAGO-I/O-SYSTEM 750 Notes about this Documentation 5

750-482 2 AI 4-20 mA 12 Bit S.E. HART

Manual

V 1.1.0

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1 Notes about this Documentation

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Note

Keep this documentation!

The operating instructions are part of the product and shall be kept for the entire

lifetime of the device. They shall be transferred to each subsequent owner or user

of the device. Care must also be taken to ensure that any supplement to these

instructions are included, if applicable.

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1.1 Validity of this Documentation

This documentation is only applicable to the I/O module 750-482

(2 AI 4-20 mA 12 Bit S.E. HART) of the WAGO-I/O-SYSTEM 750 series.

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The I/O module 750-482 shall only be installed and operated according to the

instructions in this manual and in the manual for the used fieldbus

coupler/controller.

NOTICE

Consider power layout of the WAGO-I/O-SYSTEM 750!

In addition to these operating instructions, you will also need the manual for the

used fieldbus coupler/controller, which can be downloaded at www.wago.com.

There, you can obtain important information including information on electrical

isolation, system power and supply specifications.

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1.2 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 phototech-nical

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.

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6 Notes about this Documentation WAGO-I/O-SYSTEM 750

750-482 2 AI 4-20 mA 12 Bit S.E. HART

Manual

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1.3 Symbols

DANGER

Personal Injury!

Indicates a high-risk, imminently hazardous situation which, if not avoided, will

result in death or serious injury.

DANGER

Personal Injury Caused by Electric Current!

Indicates a high-risk, imminently hazardous situation which, if not avoided, will

result in death or serious injury.

WARNING

Personal Injury!

Indicates a moderate-risk, potentially hazardous situation which, if not avoided,

could result in death or serious injury.

CAUTION

Personal Injury!

Indicates a low-risk, potentially hazardous situation which, if not avoided, may

result in minor or moderate injury.

NOTICE

Damage to Property!

Indicates a potentially hazardous situation which, if not avoided, may result in

damage to property.

NOTICE

Damage to Property Caused by Electrostatic Discharge (ESD)!

Indicates a potentially hazardous situation which, if not avoided, may result in

damage to property.

Note

Important Note!

Indicates a potential malfunction which, if not avoided, however, will not result in

damage to property.

WAGO-I/O-SYSTEM 750 Notes about this Documentation 7

750-482 2 AI 4-20 mA 12 Bit S.E. HART

Manual

V 1.1.0

Information

Additional Information:

Refers to additional information which is not an integral part of this

documentation (e.g., the Internet).

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8 Notes about this Documentation WAGO-I/O-SYSTEM 750

750-482 2 AI 4-20 mA 12 Bit S.E. HART

Manual

V 1.1.0

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1.4 Number Notation

Table 1: 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 (.)

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1.5 Font Conventions

Table 2: Font Conventions

Font typ:e Indicates:

italic

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

e.g.: C:\Programme\WAGO-I/O-CHECK

Menu

Menu items are marked in bold letters.

e.g.: Save

>

A greater-than sign between two names means the selection of a

menu item from a menu.

e.g.: File > New

Input

Designation of input or optional fields are markeded in bold letters,

e.g.: Start of measurement range

“Value” Input or selective values are marked in inverted commas.

e.g.: Enter the value “4 mA” under Start of measurement range.

[Button]

Pushbuttons in dialog boxes are marked with bold letters in square

brackets.

e.g.: [Input]

[Key]

Keys are marked with bold letters in square brackets.

e.g.: [F5]

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WAGO-I/O-SYSTEM 750 Important Notes 9

750-482 2 AI 4-20 mA 12 Bit S.E. HART

Manual

V 1.1.0

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2 Important Notes

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This section includes an overall summary of the most important safety re-

quirements 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.

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2.1 Legal Bases

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2.1.1 Subject to Changes

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.

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2.1.2 Personnel Qualifications

All sequences implemented on Series 750 devices may only be carried out by

electrical specialists with sufficient knowledge in automation. The specialists

must be familiar with the current norms and guidelines for the devices and

automated environments.

All changes to the coupler or controller should always be carried out by qualified

personnel with sufficient skills in PLC programming.

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2.1.3 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.

Appropriate housing (per 94/9/EG) is required when operating the WAGO-I/O-

SYSTEM 750 in hazardous environments. Please note that a prototype test

certificate must be obtained that confirms the correct installation of the system in

a housing or switch cabinet.

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10 Important Notes WAGO-I/O-SYSTEM 750

750-482 2 AI 4-20 mA 12 Bit S.E. HART

Manual

V 1.1.0

2.1.4 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 configu-

rations directly to WAGO Kontakttechnik GmbH & Co. KG.

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WAGO-I/O-SYSTEM 750 Important Notes 11

750-482 2 AI 4-20 mA 12 Bit S.E. HART

Manual

V 1.1.0

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2.2 Safety Advice (Precautions)

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For installing and operating purposes of the relevant device to your system the

following safety precautions shall be observed:

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DANGER

Do not work on components while energized!

All power sources to the device shall be switched off prior to performing any

installation, repair or maintenance work.

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DANGER

Installation only in appropriate housings, cabinets or in electrical operation

rooms!

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

install the system and its components exclusively in appropriate housings,

cabinets or in electrical operation rooms. Allow access to such equipment and

fixtures to authorized, qualified staff only by means of specific keys or tools.

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NOTICE

Replace defective or damaged devices!

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

contacts), since the long-term functionality of fieldbus station involved can no

longer be ensured.

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NOTICE

Protect the components against materials having seeping and insulating

properties!

The components are not resistant to materials having seeping and insulating

properties such as: aerosols, silicones and triglycerides (found in some hand

creams). If you cannot exclude that such materials will appear in the component

environment, then install the components in an enclosure being resistant to the

above-mentioned materials. Clean tools and materials are imperative for handling

devices/modules.

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NOTICE

Cleaning only with permitted materials!

Clean soiled contacts using oil-free compressed air or with ethyl alcohol and

leather cloths.

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12 Important Notes WAGO-I/O-SYSTEM 750

750-482 2 AI 4-20 mA 12 Bit S.E. HART

Manual

V 1.1.0

NOTICE

Do not use any contact spray!

Do not use any contact spray. The spray may impair contact area functionality in

connection with contamination.

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NOTICE

Do not reverse the polarity of connection lines!

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

devices involved.

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NOTICE

Avoid electrostatic discharge!

The devices are equipped with electronic components that you may destroy by

electrostatic discharge when you touch. Pay attention while handling the devices

to good grounding of the environment (persons, job and packing).

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WAGO-I/O-SYSTEM 750 Device Description 13

750-482 2 AI 4-20 mA 12 Bit S.E. HART

Manual

V 1.1.0

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3 Device Description

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The Analog Input Module 750-482 processes analog signals with the norm value

of 4 ... 20 mA.

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The I/O module also enables digital communication to be carried out with HART-

enabled field devices (Highway Addressable Remote Transducer).

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The I/O module has two input channels and enables field signals to be received

via the HART 1+ and HART 1- and HART 2+ and HART 2- connections.

Typically, the current values are measured at these connections, but at the same

time the HART signals can also be coupled and decoupled on an alternating

voltage basis.

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Both channels have a common reference potential and a shield connection (S).

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The shield connection is fed directly to the carrier rail and contact is made

automatically by snapping the module onto the rail.

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The channels are not electrically isolated from one another.

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Dabei

Two-conductor transducers, which do not have their own power supply, such as

adjustable resistances, pressure, flow and level meters, can be connected directly.

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The transducers are directly supplied with 24V from the I/O module.

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In order to connect the 0V line when using 3-conductor transducers, a 75x-604 or

–614 Field Side Connection Module must be plugged in next to the HART I/O

module, providing the 0V potential for the field level.

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The input signal is electrically isolated and is transmitted with a resolution of 12

bits.

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Simple parameterization of the HART I/O module for 6 different operating modes

enables the I/O module to be used optimally for 4 different types of application.

Table 3: Types of Application

Types of Application for the HART I/O Module

1 Programmable fieldbus controllers can communicate with HART devices

from IEC61131-3 programs using the "WagoLibHART_0x.lib" PLC library.

2 FDT tool routing to the DTM of the connected HART device is possible

with a number of WAGO ETHERNET controllers and the 759-359

ModbusTCP/HART Gateway.

3 Up to 4 HART dynamic variables (PV, SV, TV, QV) can be incorporated in

the cyclic process image of the 750-333 PROFIBUS Coupler or 750-833

PROFIBUS Controller by parameterization via GSD (device master data) or

WAGO-I/O-CHECK 2.

4 When using the 750-333 PROFIBUS DP/V1 Coupler or 750-833

PROFIBUS Controller and the 759-360 PROFIBUS/HART Gateway DTM,

FDT tool routing is possible to the DTM of the connected HART device.

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14 Device Description WAGO-I/O-SYSTEM 750

750-482 2 AI 4-20 mA 12 Bit S.E. HART

Manual

V 1.1.0

The "ready" state of the respective channel and the internal data communication is

indicated by a green function LED.

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A red fault LED per channel signals a wire break, a short circuit or that the signal

is outside the measuring range.

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The meaning of the LEDs are described in the chapter „Display Elements “.

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The I/O module receives the 24V voltage supply for the field level from an

upstream I/O module or from the fieldbus coupler/controller via the power

contacts used as blade contacts. It then provides this potential to subsequent I/O

modules via the power contacts used as spring contacts.

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Note

Use potential feed module for Ground (earth)!

The I/O module has no power contacts for PE intake and transfer. Use a potential

feed module when a PE feed is needed for the subsequent I/O modules.

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NOTICE

Do not exceed maximum current via power contacts!

The maximum current to flow through the power contacts is 10 A. Greater

currents can damage the power contacts. When configuring the system, ensure

that this current is not exceeded. If exceeded, an additional potential feed module

must be used.

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With consideration of the power jumper contacts, the individual input modules

can be arranged in any combination when configuring the fieldbus node. An

arrangement in groups within the group of potentials is not necessary.

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The HART I/O module can be used with all couplers and controllers of the

WAGO-I/O-SYSTEM 750 listed in the following section "Compatibility List".

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WAGO-I/O-SYSTEM 750 Device Description 15

750-482 2 AI 4-20 mA 12 Bit S.E. HART

Manual

V 1.1.0

Table 4: Compatibility List

Bus System Fieldbus

Coupler/

Controller

Item-No. Hard-

ware

Version

Soft-

ware

Version

Max.

Number

of

Modules

Function *)

750-841 03 07 8 (1), (5)

750-842 04 12 8 (1), (5)

750-871 01 01 8 (1), (5)

750-872 01 01 8 (1), (5)

750-872/

020-000

01 07 8 (1), (5)

ETHERNET

TCP/IP

Programmable

Fieldbus

Controllers

750-873 01 01 8 (1), (5)

750-837 07 12 8 (1)

CANopen

Programmable

Fieldbus

Controllers

750-838 02 12 8 (1)

DeviceNet

Programmable

Fieldbus

Controllers

750-806 04 09 8 (1)

LON

Programmable

Fieldbus

Controllers

750-819 xx 09 8 (1)

Fieldbus Coupler 750-333 12 ab 13 8 (2), (3), (4)

PROFIBUS

Programmable

Fieldbus

Controllers

750-833 12 ab 10 8 (1), (2), (3), (4)

BACnet

Programmable

Fieldbus

Controllers

750-830 01 01 8 (1)

KNX

Programmable

Fieldbus

Controllers

750-849 xx ab 01 8 (1)

Other Fieldbus Coupler/Controller on request.

+) Functions:

(1) WAGO-I/O-PRO CAA (CoDeSys) PLC library „WagoLibHART_0x.lib“

(2) Cyclic Profibus communication with HART dynamic variables

(3) Acyklic Profibus communication with HART Toolrouting FDT/DTM or eddl/SimaticPDM

(4) PROFIBUS/HART Gateway DTM 759-360

(5) ModbusTCP/HART Gateway DTM 759-359

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16 Device Description WAGO-I/O-SYSTEM 750

750-482 2 AI 4-20 mA 12 Bit S.E. HART

Manual

V 1.1.0

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3.1 View

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E1

E2

13 14

C

D

++

S

750-482

7

3

5

6

1

3

5

7

2

4

Firgure 1: View

Table 5: Legend to the View

No. Designation Meaning Details see chapter

1 ---

Group marking carrier

(retractable) with additional

marking possibility on two

miniature WSB markers

---

2 A, B, E, F Status LEDs

"Device Description" >

"Display Elements"

3 --- Data Contacts

"Assembly" >

"Inserting and Removing

Devices"

4 1, 2, 4, 5, 6, 8

CAGE CLAMP

®

Connections

Inputs HART 1, 2 +/- and

Screen

"Connect Devices" >

"Connecting a conductor

to the CAGE CLAMP

®

"

5 ---

Power Jumper Contacts

+24 V

"Device Description" >

"Connectors"

6 --- Unlocking Lug

"Assembly" >

"Inserting and Removing

Devices"

7 --- Power Jumper Contacts 0 V

"Device Description" >

"Connectors"

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WAGO-I/O-SYSTEM 750 Device Description 17

750-482 2 AI 4-20 mA 12 Bit S.E. HART

Manual

V 1.1.0

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3.2 Connectors

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Table 6: Connectors

Connector Meaning

HART 1 - Sensor 1: Connection HART -

HART 2 - Sensor 2: Connection HART -

HART 1 + Sensor 1: Connection HART +

HART 2 + Sensor 2: Connection HART +

Power

Jumper

Contacts

+ 24 V

Field Supply 24 V

Power

Jumper

Contacts

0 V

Field Supply 0 V

E1

E2

++

S

750-482

0V

24V

0V

HART 2 -HART 1 -

HART 2 +HART 1 +

S

Figure 2: Connectors

S Screen

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18 Device Description WAGO-I/O-SYSTEM 750

750-482 2 AI 4-20 mA 12 Bit S.E. HART

Manual

V 1.1.0

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3.3 Display Elements

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Table 7: Display Elements

A B

(green)

Function

HART 1

(red)

Error

HART 1

Channel 1

state

Description

Don’t care

1 x

flashing

Power-On

Hardware and software

initialization

On

continously

Don’t care

Ready for

operation

Power on completed

successfully; internal data bus

communication

Don’t care On Error

Wire break, short circuit,

overload

C D

(green)

Function

HART 2

(red)

Error

HART 2

Channel 2

state

Description

Don’t care

1 x

flashing

Power-On

Hardware and software

initialization

On

continously

Don’t care

Ready for

operation

Power on completed

successfully; internal data bus

communication

13 14

C

D

A

B

A

B

C

D

Figure 3: Display

Elements

Don’t care On Error

Wire break, short circuit,

overload

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WAGO-I/O-SYSTEM 750 Device Description 19

750-482 2 AI 4-20 mA 12 Bit S.E. HART

Manual

V 1.1.0

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3.4 Schematic Diagram

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750-482

1

2

3

4

5

6

7

8

0V

HART -

A

D

I

0V

24 V

HART +

10nF

270pF

Shield

(screen)

Shield

(screen)

Function

Error

Logic

Firgure 4: Schematic Diagram

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20 Device Description WAGO-I/O-SYSTEM 750

750-482 2 AI 4-20 mA 12 Bit S.E. HART

Manual

V 1.1.0

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3.5 Technical Data

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3.5.1 Device Data

Table 8: Technical Data - Device

Width 12 mm

High (from upper edge of DIN 35 rail) 64 mm

Length 100 mm

Weight approx. 55 g

3.5.2 Supply

Table 9: Technical Data - Supply

Voltage Supply via system voltage DC/DC, ~10 mA

without sensor supply

Input current < 65 mA

Input voltage