WAGO 2-channel, 0-20mA User manual

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WAGO-I/O-SYSTEM 750

Manual

750-480(/xxx-xxx)

2AI 0-

20mA Differential Input

2-Channel Analog Input Module 0-

20 mA

Version 1.1.0

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2 WAGO-I/O-SYSTEM 750

750-480 2AI 0-20mA Differential Input

Manual

Version 1.1.0

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.

=== Ende der Liste für Textmarke Einband_vorne ===

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

750-480 2AI 0-20mA Differential Input

Manual

Version 1.1.0

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Table of Contents

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 WAGO-I/O-SYSTEM 750 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 ........................................................................................................ 14

3.2 Connectors ............................................................................................... 15

3.2.1 Data Contacts/Internal Bus ................................................................. 15

3.2.2 Power Jumper Contacts/Field Supply ................................................ 15

3.2.3 CAGE CLAMP

Connectors ............................................................. 16

3.3 Display Elements .................................................................................... 17

3.4 Operating Elements ................................................................................. 17

3.5 Schematic Diagram ................................................................................. 18

3.6 Technical Data ........................................................................................ 19

3.6.1 Device Data ........................................................................................ 19

3.6.2 Power Supply...................................................................................... 19

3.6.3 Communication .................................................................................. 19

3.6.4 Inputs .................................................................................................. 20

3.6.5 Connection Type ................................................................................ 21

3.6.6 Climatic Environmental Conditions ................................................... 21

3.7 Approvals ................................................................................................ 22

3.8 Standards and Guidelines ........................................................................ 24

4 Process Image ............................................................................................. 25

4.1 Standard Version ..................................................................................... 25

4.2 750-480/000-001 Version ....................................................................... 27

5 Mounting ..................................................................................................... 28

5.1 Mounting Sequence ................................................................................. 28

5.2 Inserting and Removing Devices ............................................................ 29

5.2.1 Inserting the I/O Module .................................................................... 29

5.2.2 Removing the I/O Module .................................................................. 30

6 Connect Devices ......................................................................................... 31

6.1 Connecting a Conductor to the CAGE CLAMP

................................... 31

6.2 Connection Examples .............................................................................. 32

7 Use in Hazardous Environments .............................................................. 33

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

750-480 2AI 0-20mA Differential Input

Manual

Version 1.1.0

7.1 Marking Configuration Examples ........................................................... 34

7.1.1 Marking for Europe According to ATEX and IEC-Ex ...................... 34

7.1.2 Marking for America According to NEC 500 .................................... 39

7.2 Installation Regulations ........................................................................... 40

7.2.1 Special Conditions for Safe Use

(ATEX Certificate TÜV 07 ATEX 554086 X) .................................. 41

7.2.2 Special Conditions for Safe Use

(ATEX Certificate TÜV 12 ATEX 106032 X) .................................. 42

7.2.3 Special Conditions for Safe Use

(IEC-Ex Certificate TUN 09.0001 X) ................................................ 43

7.2.4 Special Conditions for Safe Use

(IEC-Ex Certificate IECEx TUN 12.0039 X) .................................... 44

7.2.5 Special Conditions for Safe Use

According to ANSI/ISA 12.12.01 ...................................................... 45

List of Figures ...................................................................................................... 46

List of Tables ........................................................................................................ 47

=== Ende der Liste für Textmarke Verzeichnis_ vorne ===

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

750-480 2AI 0-20mA Differential Input

Manual

Version 1.1.0

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1 Notes about this Documentation

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Always retain this documentation!

This documentation is part of the product. Therefore, retain the documentation

during the entire service life of the product. Pass on the documentation to any

subsequent user. In addition, ensure that any supplement to this documentation is

included, if necessary.

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1.1 Validity of this Documentation

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This documentation is only applicable to the I/O module 750-480 (2AI 0-20mA

Differential Input) and the variants listed in the table below.

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Table 1: Variants

Item Number/Variant

Designation

750-480

2AI 0-20mA Differential Input

750-480/000-001

2AI 0-20mA Differential Input/Synchronous

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Documentation Validity for Variants

Unless otherwise indicated, the information given in this documentation applies to

listed variants.

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The I/O module 750-480 shall only be installed and operated according to the

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

coupler/controller.

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 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.

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

750-480 2AI 0-20mA Differential Input

Manual

Version 1.1.0

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1.3 Symbols

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Personal Injury!

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

result in death or serious injury.

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Personal Injury Caused by Electric Current!

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

result in death or serious injury.

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Personal Injury!

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

could result in death or serious injury.

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Personal Injury!

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

result in minor or moderate injury.

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Damage to Property!

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

damage to property.

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Damage to Property Caused by Electrostatic Discharge (ESD)!

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

damage to property.

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Important Note!

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

damage to property.

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

750-480 2AI 0-20mA Differential Input

Manual

Version 1.1.0

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

750-480 2AI 0-20mA Differential Input

Manual

Version 1.1.0

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1.4 Number Notation

Table 2: 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 3: Font Conventions

Font Type

Indicates

italic

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

e.g.: C:\Program Files\WAGO Software

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 marked 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

750-480 2AI 0-20mA Differential Input

Manual

Version 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

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.

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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 WAGO-I/O-SYSTEM 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 WAGO-I/O-SYSTEM 750 in Compliance with

Underlying Provisions

Fieldbus couplers, fieldbus 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 actuators or higher-level control systems. Using programmable

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

The devices 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 devices in wet and dusty

environments is prohibited.

Operating the WAGO-I/O-SYSTEM 750 devices in home applications without

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

interference) according to EN 61000-6-3. You will find the relevant information

in the section “Device Description” > “Standards and Guidelines” in the manual

for the used fieldbus coupler/controller.

10 Important Notes WAGO-I/O-SYSTEM 750

750-480 2AI 0-20mA Differential Input

Manual

Version 1.1.0

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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2.1.4 Technical Condition of Specified Devices

The devices to be supplied ex works are equipped with hardware and software

configurations, which meet the individual application requirements. 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 devices.

Please send your request for modified and new hardware or software

configurations directly to WAGO Kontakttechnik GmbH & Co. KG.

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WAGO-I/O-SYSTEM 750 Important Notes 11

750-480 2AI 0-20mA Differential Input

Manual

Version 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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Do not work on devices 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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Install the device 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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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 device/module involved can no

longer be ensured.

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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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Clean 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

750-480 2AI 0-20mA Differential Input

Manual

Version 1.1.0

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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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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Avoid electrostatic discharge!

The devices are equipped with electronic components that may be destroyed by

electrostatic discharge when touched. Please observe the safety precautions

against electrostatic discharge per DIN EN 61340-5-1/-3. When handling the

devices, please ensure that environmental factors (personnel, work space and

packaging) are properly grounded.

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WAGO-I/O-SYSTEM 750 Device Description 13

750-480 2AI 0-20mA Differential Input

Manual

Version 1.1.0

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3 Device Description

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The I/O module 750-480 (2AI 0-20mA Differential Input) processed difference

signals from 0 mA ... 20 mA from the field range.

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The I/O module has 2 input channels for differential signals. The sensors may be

received via the CAGE CLAMP

connectors +AI1 and -AI1 or +AI2 and –AI2.

Pos: 20.1.3 /Ser ie 750 (WAGO-I/O-SYSTEM)/Gerätebeschr eibung/Einleitun g/I/O-Beschreibung/ AI/I/O-Beschr eibung 750-04xx AI Schi rmanschluss Kontakt mit Tragsc hiene @ 5\mod_124636774 2653_21.docx @ 36360 @ @ 1

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

automatically by snapping the module onto the rail.

Pos: 20.1.4 /Seri e 750 (WAGO-I/O-SYSTEM)/Gerätebeschr eibung/Einleitung/ I/O-Beschreibung/ Allgemein/Verwei s auf Kapitel "Anschlüs se" @ 8\mod_1276775378035 _21.docx @ 57956 @ @ 1

The assignment of the connections is described in the “Connectors” section.

Pos: 20.1.5 /Seri e 750 (WAGO-I/O-SYSTEM)/Gerätebeschr eibung/Einleitung/ I/O-Beschreibung/ Allgemein/Verwei s auf Kapitel "Geräte ans chließen" > "Anschlussbei spiel(e)" @ 5\mod_1246 015203281_21.doc x @ 36298 @ @ 1

Connection examples are shown in section “Connecting Devices” > … >

“Connection Example(s)”.

Pos: 20.1.6 /Seri e 750 (WAGO-I/O-SYSTEM)/Gerätebeschr eibung/Einleitung/ Funktion/Galvani sche Trennung Eingangssi gnal/Systemebene ( 13 Bit) @ 21\mod_141450149 4724_21.docx @ 166691 @ @ 1

The input signal is electrically isolated and is transmitted with a resolution of 13

bits.

Pos: 20.1.7 /Seri e 750 (WAGO-I/O-SYSTEM)/Gerätebeschr eibung/Einleitung/ LED-Anzeige/LED Zus tand Betrieb und Klemmenbus -Kommunikation @ 5\ mod_1247054901573_21. docx @ 36892 @ @ 1

The operational readiness and the trouble-free internal data bus communication of

the channels are indicated via a green function LED.

Pos: 20.1.8 /Seri e 750 (WAGO-I/O-SYSTEM)/Gerätebeschr eibung/Einleitung/ LED-Anzeige/LED Feh ler Bereichsüber-/ unterschreitung @ 15\mo d_1370281145613_21.doc x @ 121530 @ @ 1

One red error LED per channel indicates when the measuring range is exceeded or

falls below for the respective channel.

Pos: 20.1.9 /Seri e 750 (WAGO-I/O-SYSTEM)/Gerätebeschr eibung/Einleitung/ LED-Anzeige/Ver weis auf Kapitel "Anzeig eelemente" @ 5\mod_124601 0525000_21.docx @ 36194 @ @ 1

The meaning of the LEDs is described in the “Display Elements” section.

Pos: 20.1.10 /Seri e 750 (WAGO-I/O-SYSTEM)/Gerätebeschr eibung/Einleitung/ Funktion/Funkti on 750-0480/000-001 Mess werterfassung (über P rofibus) @ 21\mod_1414505611 601_21.docx @ 166695 @ @ 1

The 750-480/000-001 I/O module operates with all couplers / controllers in sync

with the internal data bus. In connecting to the PROFIBUS 750-303 fieldbus

coupler, the measured values can also be recorded synchronously (fieldbus)

network-wide. The required triggering is then carried out via this special

PROFIBUS DP/FMS coupler (12 Mbaud). If it receives the “Global Control

Command”, it initiates measured value acquisition. For the measured value

scaling, a delay of one cycle can be expected. Sampling cycles of ≥1 ms can be

achieved.

Pos: 20.1.11 /Seri e 750 (WAGO-I/O-SYSTEM)/Gerätebeschreibung/ Einleitung/Versor gung/Anordnung der Potentialgruppen und Busk lemmen in den Potentia lgruppen beliebig @ 9\mod_12 89992989792_21.doc x @ 66482 @ @ 1

Both the potential groups and the individual modules within these groups can be

arranged in any combination when designing the field bus node.

Pos: 20.1.12 /Seri e 750 (WAGO-I/O-SYSTEM)/Gerätebeschr eibung/Einleitung/ Versorgung/Spannung sversorgung aus Sy stemspannung @ 5\mod_12471 16433759_21.doc x @ 36920 @ @ 1

Power to the internal electronics is supplied via internal data bus.

Pos: 20.1.13 /Seri e 750 (WAGO-I/O-SYSTEM)/Wichtige Er läuterungen/Sicherhei ts- und sonstige Hin weise/Hinweis/Hinweis: Potentialeins peiseklemme einsetzen! ( keine LK) @ 3\mod_12264990 89640_21.docx @ 25026 @ @ 1

Use a supply module!

Use a supply module for field-side power supply of downstream I/O modules.

Pos: 20.1.14 /Seri e 750 (WAGO-I/O-SYSTEM)/Gerätebeschr eibung/Einleitung/ Einsatzbereic h/Einsatzbereich 750- xxxx alle Koppler/Con troller ohne Economy- Koppler @ 3\mod_12325 41867468_21.doc x @ 26525 @ @ 1

The I/O module 750-480 can be used with all fieldbus couplers/controllers of the

WAGO-I/O-SYSTEM 750 (except for the economy types 750-320, -323, -324

and -327).

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14 Device Description WAGO-I/O-SYSTEM 750

750-480 2AI 0-20mA Differential Input

Manual

Version 1.1.0

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3.1 View

Pos: 20.4 /Serie 750 (W AGO-I/O-SYSTEM)/Gerätebeschrei bung/Ansicht/Anal ogeingangsklemmen/Ansi cht 750-0480 @ 21\mod_141 4489278537_21.doc x @ 166633 @ @ 1

Figure 1: View

Pos: 20.5 /Serie 750 (W AGO-I/O-SYSTEM)/Gerätebeschrei bung/Ansicht/Ansic ht CageClamp®_Legende mit L EDs_ohne Leistungs kontakte @ 16\mod_13718160 91053_21.docx @ 124052 @ @ 1

Table 4: Legend for Figure “View”

Pos.

Description

Details See Section

Marking possibility with

Mini-WSB

---

Status LEDs

“Device Description” > “Display Elements”

Data contacts

“Device Description” > “Connectors”

CAGE CLAMP

connectors

“Device Description” > “Connectors”

Release tab

“Mounting” > ”Inserting and Removing

Devices”

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WAGO-I/O-SYSTEM 750 Device Description 15

750-480 2AI 0-20mA Differential Input

Manual

Version 1.1.0

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3.2 Connectors

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3.2.1 Data Contacts/Internal Bus

Pos: 20.9.1 /Seri e 750 (WAGO-I/O-SYSTEM)/Gerätebeschr eibung/Anschlüsse/ Datenkontakte - Feldbuskoppler/-c ontroller, Abbildung und Beschreibung @ 3\mod_123177 1259187_21.doc x @ 26002 @ @ 1

Communication between the fieldbus coupler/controller and the I/O modules as

well as the system supply of the I/O modules is carried out via the internal bus. It

is comprised of 6 data contacts, which are available as self-cleaning gold spring

contacts.

Figure 2: Data Contacts

Pos: 20.9.2 /Seri e 750 (WAGO-I/O-SYSTEM)/Wichtige Er läuterungen/Sicherhei ts- und sonstige Hin weise/Achtung/Achtun g: Busklemmen nicht auf Goldfederkontakte legen! @ 7\mod_1266318463636_ 21.docx @ 50695 @ @ 1

Do not place the I/O modules on the gold spring contacts!

Do not place the I/O modules on the gold spring contacts in order to avoid soiling

or scratching!

Pos: 20.9.3 /Seri e 750 (WAGO-I/O-SYSTEM)/Wichtige Er läuterungen/Sicherhei ts- und sonstige Hin weise/Achtung/Achtun g: ESD - Auf gute Erdung der Umgebun g achten! @ 7\mod_1266318 538667_21.docx @ 50708 @ @ 1

Ensure that the environment is well grounded!

The devices are equipped with electronic components that may be destroyed by

electrostatic discharge. When handling the devices, ensure that the environment

(persons, workplace and packing) is well grounded. Avoid touching conductive

components, e.g. data contacts.

Pos: 20.10 /Serie 750 (W AGO-I/O-SYSTEM)/Gerätebeschrei bung/Anschlüsse/Lei stungskontakte/ Feldversorgung - Überschrift 3 @ 6\mod_12562946 92864_21.docx @ 43664 @ 3 @ 1

3.2.2 Power Jumper Contacts/Field Supply

Pos: 20.11 /Serie 750 (W AGO-I/O-SYSTEM)/Gerätebeschrei bung/Anschlüsse/Lei stungskontakte nic ht vorhanden @ 8\mod_12810 73936319_21.docx @ 6253 0 @ @ 1

The I/O module 750-480 has no power jumper contacts.

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16 Device Description WAGO-I/O-SYSTEM 750

750-480 2AI 0-20mA Differential Input

Manual

Version 1.1.0

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3.2.3 CAGE CLAMP

Connectors

Pos: 20.14 /Serie 750 (W AGO-I/O-SYSTEM)/Gerätebeschrei bung/Anschlüsse/Ana logeingangskle mmen/Anschlüsse 750-04 75, -0477, -0479, -0480, -0483 @ 20\mod_14079380 98672_21.docx @ 161748 @ @ 1

Figure 3: CAGE CLAMP

Connectors

Table 5: Legend for Figure “CAGE CLAMP

Connectors”

Channel

Designation

Connector

Function

+AI 1

Input +AI 1, differential input +

−AI 1

Input −AI 1, differential input −

Shield (screen)

+AI 2

Input +AI 2, differential input +

−AI 2

Input −AI 2, differential input −

Shield (screen)

Pos: 20.15 /Serie 750 (W AGO-I/O-SYSTEM)/Wichtige Erläuter ungen/Sicher heits- und sonstige Hinweis e/Hinweis/Hinweis: Geschirmte Signallei tungen verwenden! @ 7\ mod_1265723251019_2 1.docx @ 50140 @ @ 1

Use shielded signal lines!

Only use shielded signal lines for analog signals and I/O modules which are

equipped with shield clamps. Only then can you ensure that the accuracy and

interference immunity specified for the respective I/O module can be achieved

even in the presence of interference acting on the signal cable.

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WAGO-I/O-SYSTEM 750 Device Description 17

750-480 2AI 0-20mA Differential Input

Manual

Version 1.1.0

Pos: 20.17 /Alle Seri en (Allgemeine Module)/ Überschriften für alle Serien/Gerätebesc hreibung/Anzeigee lemente - Überschr ift 2 @ 4\mod_1240984390875_21. docx @ 31964 @ 2 @ 1

3.3 Display Elements

Pos: 20.18 /Serie 750 (W AGO-I/O-SYSTEM)/Gerätebeschrei bung/Anzeigeelement e/Analogeingangsk lemmen/Anzeigeel emente 750-0476, - 0478, -0479, -0480, -0483 @ 21\mod_141 4491607038_21.doc x @ 166687 @ @ 1

Figure 4: Display Elements

Table 6: Legend for Figure “Display Elements” 750-480

Channel

Designation LED State Function

Function

AI1

Off

Not ready for operation or no or

disturbed internal bus communication

Green

Operational readiness and trouble-free

internal data bus communication

Error

AI1

Off

Normal operation

Red

Overrange/underrange of the

admissible measuring range

Function

AI2

Off

Not ready for operation or no or

disturbed internal bus communication

Green

Operational readiness and trouble-free

internal data bus communication

Error

AI2

Off

Normal operation

Red

Overrange/underrange of the

admissible measuring range

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3.4 Operating Elements

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The I/O module 750-480 has no operating elements.

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18 Device Description WAGO-I/O-SYSTEM 750

750-480 2AI 0-20mA Differential Input

Manual

Version 1.1.0

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3.5 Schematic Diagram

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Figure 5: Schematic Diagram

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WAGO-I/O-SYSTEM 750 Device Description 19

750-480 2AI 0-20mA Differential Input

Manual

Version 1.1.0

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3.6 Technical Data

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3.6.1 Device Data

Table 7: Technical Data — Device

Width

12 mm

Height (from top edge of DIN rail)

64 mm

Depth

100 mm

Weight

approx. 50 g

3.6.2 Power Supply

Table 8: Technical Data – Power Supply

Power supply

Via system voltage DC/DC

Current consumption, system voltage

typ.

(5 VDC)

750-480

80 mA

750-480/000-001

≤ 100 mA

Dielectric strength

500 VDC channel/channel

or channel/system

3.6.3 Communication

Table 9: Technical Data, Communication

Data width, internal (internal data bus)

2 × 16 bit data,

2 × 8 bit control/status (option)

20 Device Description WAGO-I/O-SYSTEM 750

750-480 2AI 0-20mA Differential Input

Manual

Version 1.1.0

3.6.4 Inputs

Table 10: Technical Data – Inputs

Number of inputs

Connection types

Differential measurement inputs

electrically isolated

Measured value acquisition

750-480

Time synchronous (both inputs)

750-480/000-001

Time synchronous

Signal current

0–20 mA

Input resistance

< 270 Ω at 20 mA

Input filter

Low pass 1st order f

= 5 kHz

Resolution of the A/D converter

14 bit

Monotonicity without error code

Yes

Value of a LSB (least significant bit)

2.4 µA

Resolution of measured value

13 bit

Measuring error at 25 °C

≤ ±0.05% of full scale value

Temperature coefficient

< ±0.01% /K of full scale value

Measuring Errors

≤ 0.4% over the entire temperature

range

≤ 0.1% of upper-range value (non-

linearity)

Crosstalk attenuation

≥ 80 db

Sampling time of repetition

1 ms

Sampling delay (module)

1 ms

Sampling delay (channel/channel)

≤ 1 µs

Sampling duration

≤ 5 µs

Conversion method

SAR

(Successive Approximation Register)

Operating mode

750-480

Continuously sampling (default)

750-480/000-001

Triggered

Sampling delay (command/conversion)

(750-480/000-001)

≤ 50 µs

Protection

Non-linear limiting

Admissible continuous overload

30 V

Diagnostics

Measurement range

underrange/overrange

Signaling at

measurement range

underflow/underflow

750-480

Status byte and LED

750-480/000-001

Status byte, status bits in the measured

value and LED

)

In conjunction with synchronized sampling of the slaves

(750-303 fieldbus coupler (version 0101 or higher))

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WAGO 2-channel, 0-20mA User manual

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