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WAGO-I/O-SYSTEM 750
Manual
750-454(/xxx-xxx)
2AI 4-
20 mA, Differential Inputs
2-Channel Analog Input Module 0/4-
20 mA;
Differential inputs
Version 1.2.0
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2 WAGO-I/O-SYSTEM 750
750-454 2AI 4-20 mA, Differential Inputs
Manual
Version 1.2.0
© 2015 by WAGO Kontakttechnik GmbH & Co. KG
All rights reserved.
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
Web: http://www.wago.com
Technical Support
Phone: +49 (0) 571/8 87 – 5 55
Fax: +49 (0) 571/8 87 – 85 55
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.
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 Lis te f ür T e xtmar ke Einband_vorne ===
WAGO-I/O-SYSTEM 750 Table of Contents 3
750-454 2AI 4-20 mA, Differential Inputs
Manual
Version 1.2.0
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Table of Contents
1 Notes about this Documentation ................................................................. 5
1.1 Validity of this Documentation ................................................................. 5
1.2 Copyright ................................................................................................... 6
1.3 Symbols ..................................................................................................... 7
1.4 Number Notation ....................................................................................... 9
1.5 Font Conventions ...................................................................................... 9
2 Important Notes ......................................................................................... 10
2.1 Legal Bases ............................................................................................. 10
2.1.1 Subject to Changes ............................................................................. 10
2.1.2 Personnel Qualifications ..................................................................... 10
2.1.3 Use of the WAGO-I/O-SYSTEM 750 in Compliance with Underlying
Provisions ........................................................................................... 10
2.1.4 Technical Condition of Specified Devices ......................................... 11
2.2 Safety Advice (Precautions) .................................................................... 12
3 Device Description ..................................................................................... 14
3.1 View ........................................................................................................ 15
3.2 Connectors ............................................................................................... 16
3.2.1 Data Contacts/Internal Bus ................................................................. 16
3.2.2 CAGE CLAMP
®
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
3.5.5 Connection Type ................................................................................ 20
3.5.6 Climatic Environmental Conditions ................................................... 21
3.6 Approvals ................................................................................................ 22
3.7 Standards and Guidelines ........................................................................ 25
4 Process Image ............................................................................................. 26
4.1 Standard Data Format ............................................................................. 27
4.2 Special Data Format ................................................................................ 28
5 Mounting ..................................................................................................... 31
5.1 Mounting Sequence ................................................................................. 31
5.2 Inserting and Removing Devices ............................................................ 32
5.2.1 Inserting the I/O Module .................................................................... 32
5.2.2 Removing the I/O Module .................................................................. 33
6 Connect Devices ......................................................................................... 34
6.1 Connecting a Conductor to the CAGE CLAMP
®
................................... 34
6.2 Connection Examples .............................................................................. 35
7 Use in Hazardous Environments .............................................................. 36
7.1 Marking Configuration Examples ........................................................... 37
4 Table of Contents WAGO-I/O-SYSTEM 750
750-454 2AI 4-20 mA, Differential Inputs
Manual
Version 1.2.0
7.1.1 Marking for Europe According to ATEX and IEC-Ex ...................... 37
7.1.2 Marking for America According to NEC 500 .................................... 42
7.2 Installation Regulations ........................................................................... 43
7.2.1 Special Conditions for Safe Use (ATEX Certificate TÜV 07 ATEX
554086 X) ........................................................................................... 44
7.2.2 Special Conditions for Safe Use (ATEX Certificate TÜV 12 ATEX
106032 X) ........................................................................................... 45
7.2.3 Special Conditions for Safe Use (IEC-Ex Certificate TUN 09.0001 X)46
7.2.4 Special Conditions for Safe Use (IEC-Ex Certificate IECEx TUN
12.0039 X) .......................................................................................... 47
7.2.5 Special Conditions for Safe Use According to ANSI/ISA 12.12.01 .. 48
List of Figures ...................................................................................................... 49
List of Tables ........................................................................................................ 50
=== Ende der Lis te f ür T e xtmar ke V erz eic hnis _vor ne == =
WAGO-I/O-SYSTEM 750 Notes about this Documentation 5
750-454 2AI 4-20 mA, Differential Inputs
Manual
Version 1.2.0
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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 750-454 (2AI 4-20 mA,
Differential Inputs) and the variants listed in the table below.
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Table 1: Variants
Item Number/Variant
Designation
750-454
2AI 4-20 mA, Differential Inputs
750-454/000-001
2 AI (4-20mA) Differential Inputs, RC low pass 5 Hz
750-454/000-002
2 AI (4-20mA) Differential Inputs, special data format
750-454/000-003
2 AI (4-20mA) Differential Inputs, Diagnosis for
extended measuring range
750-454/000-200
2 AI (4-20mA) Differential Inputs with Siemens (S5-FB
250)
750-454/025-000
2 AI (4-20mA) Differential Inputs,
Operating temperature - 20 °C … + 60 °C
750-454/025-003
2 AI (4-20mA) Differential Inputs, Diagnosis for
extended measuring range,
Operating temperature - 20 °C … + 60 °C
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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 750-454 shall only be installed and operated according to the
instructions in this manual and in the manual for the used fieldbus
coupler/controller.
6 Notes about this Documentation WAGO-I/O-SYSTEM 750
750-454 2AI 4-20 mA, Differential Inputs
Manual
Version 1.2.0
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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WAGO-I/O-SYSTEM 750 Notes about this Documentation 7
750-454 2AI 4-20 mA, Differential Inputs
Manual
Version 1.2.0
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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.
Pos: 14 .4.2 /Al le Seri en (All gemei ne Mod ule)/ Wichti ge Erl äuter unge n/Sich erheit s- und sonsti ge Hinw eise/ Gefa hr/Gef ahr: _ Warnu ng vor Per son enschä den durc h elek trisc hen Str om_ - Erläuterung @ 13\mod_1343309694914_21.docx @ 101030 @ @ 1
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.
Pos: 14 .4.5 /Al le Seri en (All gemei ne Mod ule)/ Wichti ge Erl äuter unge n/Sich erheit s- und sonstige Hinweise/Achtung/Achtung: _Warnung vor Sachschäden allgemein_ - Erläuterung @ 13\mod_1343310134623_21.docx @ 101041 @ @ 1
Damage to Property!
Indicates a potentially hazardous situation which, if not avoided, may result in
damage to property.
Pos: 14 .4.6 /Al le Seri en (All gemei ne Mod ule)/ Wichti ge Erl äuter unge n/Sich erheit s- und so nsti ge H inw eis e/A chtu ng/ Ach tung : _ War nung v or Sac hsc hä den dur ch ele ktros tatische Aufladung_ - Erläuterung @ 13\mod_1343310227702_21.docx @ 101044 @ @ 1
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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8 Notes about this Documentation WAGO-I/O-SYSTEM 750
750-454 2AI 4-20 mA, Differential Inputs
Manual
Version 1.2.0
Additional Information:
Refers to additional information which is not an integral part of this
documentation (e.g., the Internet).
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WAGO-I/O-SYSTEM 750 Notes about this Documentation 9
750-454 2AI 4-20 mA, Differential Inputs
Manual
Version 1.2.0
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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
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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10 Important Notes WAGO-I/O-SYSTEM 750
750-454 2AI 4-20 mA, Differential Inputs
Manual
Version 1.2.0
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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.
WAGO-I/O-SYSTEM 750 Important Notes 11
750-454 2AI 4-20 mA, Differential Inputs
Manual
Version 1.2.0
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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12 Important Notes WAGO-I/O-SYSTEM 750
750-454 2AI 4-20 mA, Differential Inputs
Manual
Version 1.2.0
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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.
Pos: 17.1 1. 4 /Al le S eri en ( Allg em ein e Do ku ment e) (Al lg em eine M o dul e)/ Wich tig e Erl äuter u ngen /Sic h erhei ts hinw eise /Ac htu ng/A cht ung : K ein K ont a ktspra y verw end en! @ 6\ mod_1260181290808_21.docx @ 46755 @ @ 1
WAGO-I/O-SYSTEM 750 Important Notes 13
750-454 2AI 4-20 mA, Differential Inputs
Manual
Version 1.2.0
Do not use any contact spray!
Do not use any contact spray. The spray may impair contact area functionality in
connection with contamination.
Pos: 17.1 1. 5 /Al le S eri en ( Allg em ein e Do ku ment e) (Al lg em eine M o dul e)/ Wich tig e Erl äuter u ngen /Sic h erhei ts hinw eise /Ac htu ng/A cht ung : V erpol ung ver mei den! @ 6\mod_1260184045744_21.docx @ 46767 @ @ 1
Do not reverse the polarity of connection lines!
Avoid reverse polarity of data and power supply lines, as this may damage the
devices involved.
Pos: 17.1 1. 6 /Al le S eri en ( Allg em ein e Do ku ment e) (Al lge meine M odul e)/Wic htig e Erläuter ung en/Sic herh eits hinwei se/Ac htung /Acht ung: El ektr ostatis che Entl adu ng verm eide n! @ 6\mod_1260181364729_21.docx @ 46759 @ @ 1
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.
Pos: 18 /Doku ment ation all gemei n/Gli eder ungsel eme nte/---Seit en wechs el--- @ 3\mod_1221108045078_0.docx @ 21810 @ @ 1
14 Device Description WAGO-I/O-SYSTEM 750
750-454 2AI 4-20 mA, Differential Inputs
Manual
Version 1.2.0
Pos: 19 /A ll e Ser ien (Al lg emei ne M od ule)/ Üb ers chrif te n für al le S eri en/G erä teb esc hrei bu ng/G erä tebe schr eib ung - Üb ersc hri ft 1 @ 3\ mod_1233756084656_21.docx @ 27096 @ 1 @ 1
3 Device Description
Pos: 20.1 /Serie 750 (WAGO-I/O-SYSTEM)/Gerätebeschreibung/Einleitung/Anwendung/AI/Anwendung 750-04xx AI Diff (4.. .20mA) @ 5\mod_1246011539224_21.docx @ 36210 @ @ 1
The Analog Input Module 750-454 (2AI 4-20 mA, Differential Inputs) processes
differential signals with the norm value of 4 ... 20 mA.
Pos: 20.2 /Serie 750 (WAGO-I/O-SYST EM) /Ger äte besc hrei bu ng/Ei nlei tu ng/I/ O-Bes chr eibu ng/ AI/I /O-Bes chr eibung 750-04 xx 2 AI D if f-Sig nale ü ber +AI 1 und -AI1, +AI 2 und - AI2 @ 5\mod_1246364182927_21.docx @ 36350 @ @ 1
The I/O module has 2 input channels for differential signals. The sensors may be
received via the CAGE CLAMP
®
connectors +AI 1 and -AI 1 or +AI 2 and –AI 2.
Pos: 20.3 /Serie 750 (WAGO-I/O-SYST EM) /Ger äte besc hrei bu ng/Ei nlei tu ng/I/ O-B eschr ei bung/ AI/I /O- Beschr eib ung 750- 04xx AI Gem eins am es M ass epot ent ial und Sc hir mansc hlu ss @ 5 \mod_1246367616866_21.docx @ 36357 @ @ 1
The input channels have a common ground and a shield connection.
Pos: 20.4 /Serie 750 (WAGO-I/O-SYST EM) /Ger äte besc hrei bu ng/Ei nlei tu ng/I/ O-B eschr ei bung/ AI/I /O- Beschr eib ung 750- 04xx AI Schir mansc hluss K onta kt mit Tr agschi ene @ 5\mod_1246367742653_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: 20.5 /Serie 750 (WAGO-I/O-SYST EM) /Ger äte besc hrei bu ng/Ei nlei tu ng/I/ O-B esc hrei bung /Al lg emei n/Ver wei s a uf K api tel "A nschlüs se" @ 8\ mod_1276775378035_21.docx @ 57956 @ @ 1
The assignment of the connections is described in the “Connectors” section.
Pos: 20.6 /Serie 750 (WAGO-I/O-SYST EM) /Ger äte besc hrei bu ng/Ei nlei tu ng/I/ O-B esc hrei bung /Al lg emei n/Ver wei s a uf K api tel "G erät e anschli eß en" > "Ansc hlus sbeis piel(e) " @ 5\mod_1246015203281_21.docx @ 36298 @ @ 1
Connection examples are shown in section “Connecting Devices” > … >
“Connection Example(s)”.
Pos: 20.7 /Serie 750 (WAGO-I/O-SYST EM) /Ger äte besc hrei bu ng/Ei nlei tu ng/F unk tion/ Gal vanis ch e Tr en nung Eing ang ssi gn al/ Syst eme ben e ( 12 Bit ) @ 6\ mod_1255353269263_21.docx @ 42550 @ @ 1
The input signal is electrically isolated and is transmitted with a resolution of
12 bits.
Pos: 20.8 /Serie 750 (WAGO-I/O-SYST EM) /Ger äte besc hrei bu ng/Ei nlei tu ng/L ED-A nzeig e/LED Zustan d Betri eb und Kl emmen bus-K ommu nikati on @ 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: 20.9 /Serie 750 (WAGO-I/O-SYST EM)/ Ger äteb esc hrei bung /Ei nlei tung /LED -Anz eig e/LE D F ehl er D ra htbr uch/ Ber eich sü ber -/unt erschr eit ung @ 7\mod_1274363504640_21.docx @ 56902 @ @ 1
A red fault LED per channel indicates a wire break or that the signal is outside the
measuring range.
Pos: 20.1 0 / Ser ie 7 50 ( WAG O-I/ O-SYST EM)/ Gerät ebesc hreib ung/ Einlei tung/ Versor gung /An ordnung unter Ber üc ksichti gung der Leis tungs konta kte beli ebig @ 3\mod_1233756233468_21.docx @ 27099 @ @ 1
With consideration of the power jumper contacts, the individual modules can be
arranged in any combination when configuring the fieldbus node. An arrangement
in groups within the group of potentials is not necessary.
Pos: 20.1 1 / Ser ie 7 50 ( WAG O-I/ O-SYST EM)/ Wic htig e Er läu ter ung en/S ic herhei ts - un d so nsti ge Hin weis e/H inw eis/H i nweis : P ote nti alein sp eis ekle mm e eins etz en! (k ein e L K) @ 3\mod_1226499089640_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 2 / Ser ie 7 50 ( WAG O-I/ O-SYST EM )/G erät ebe schr eib ung /Ei nlei tung /V ersor gu ng/S p ann ungs vers orgu ng aus Sys te mspa nnu ng @ 5\mod_1247116433759_21.docx @ 36920 @ @ 1
Power to the internal electronics is supplied via internal data bus.
Pos: 20 .13 /S erie 750 ( WAG O-I/ O-SYST EM)/G erät ebesc hreib ung/Ei nleit ung/ Einsa tzber eich/ Einsa tzber eich 7 50-xxxx all e K oppl er/C o ntroll er oh ne Ec ono my- Kop pler @ 3\mod_1232541867468_21.docx @ 26525 @ @ 1
The I/O module 750-454 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).
Pos: 21 /Doku ment ation all gemei n/Gli eder ungsel eme nte/---Seit en wechs el--- @ 3\mod_1221108045078_0.docx @ 21810 @ @ 1
WAGO-I/O-SYSTEM 750 Device Description 15
750-454 2AI 4-20 mA, Differential Inputs
Manual
Version 1.2.0
Pos: 22 /Alle Ser ien ( All ge mein e Mo dul e)/Ü ber schr if ten f ür alle Ser ie n/Ger äte bes chr eib ung /Ansi cht - Ü bers chri ft 2 @ 4 \mod_1240984217343_21.docx @ 31958 @ 2 @ 1
3.1 View
Pos: 23 /S eri e 7 50 ( WA GO-I/ O-SYST EM)/ Gerät ebesc hrei bung/A nsic ht/A nalogei nga ngskle mmen/ Ansic ht 750-0454 @ 16\mod_1375791144435_21.docx @ 128051 @ @ 1
Figure 1: View
Pos: 24 /S eri e 7 50 ( WA GO-I/ O-SYST EM)/ Gerät ebesc hrei bung/A nsic ht/A nsicht C ageCl amp® _Leg ende mit LED s_ohne Leistungskontakte @ 16\mod_1371816091053_21.docx @ 124052 @ @ 1
Table 4: Legend for Figure “View”
Pos.
Description
Details See Section
1
Marking possibility with
Mini-WSB
---
2
Status LEDs
“Device Description” > “Display Elements”
3
Data contacts
“Device Description” > “Connectors”
4
CAGE CLAMP
®
connectors
“Device Description” > “Connectors”
5
Release tab
“Mounting” > ”Inserting and Removing
Devices”
Pos: 25 /D o kume nt ation all ge mein/ Glie der ungs ele mente /---Seit en wechs el--- @ 3\mod_1221108045078_0.docx @ 21810 @ @ 1
16 Device Description WAGO-I/O-SYSTEM 750
750-454 2AI 4-20 mA, Differential Inputs
Manual
Version 1.2.0
Pos: 26 /A ll e Ser ien (Al lg emei ne M od ule)/ Üb ers chrif te n für al le S eri en/G erä teb esc hrei bu ng/A nsc hlüs se - Über schri ft 2 @ 4\mod_1240984262656_21.docx @ 31961 @ 2 @ 1
3.2 Connectors
Pos: 27 /S eri e 7 50 ( WA GO-I/ O-SYST EM) /Ger ät ebesc hrei bu ng/A nsc hlüss e/D ate nko ntakt e/Kl em menbu s - Ü bersc hrift 3 @ 6\mod_1256294684083_21.docx @ 43660 @ 3 @ 1
3.2.1 Data Contacts/Internal Bus
Pos: 28.1 /Serie 750 (WAGO-I/O-SYST EM) /Ger äte besc hrei bu ng/Anschlüsse/Datenkontakte - Feld bus koppl er/-c ont roll er, Ab bild ung und Bes chr ei bung @ 3 \mod_1231771259187_21.docx @ 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: 28.2 /Serie 750 (WAGO-I/O-SYST EM)/ Wic htige Erl äuter unge n/Sic herhei ts- u nd so nsti g e Hin weis e/ Acht ung /Ach tu ng: Buskl e mmen nic ht auf Gol dfe der konta kt e leg en! @ 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: 28.3 /Serie 750 (WAGO-I/O-SYST EM)/ Wic htige Erl äuter unge n/Sic herhei ts- und sonstige Hinweise/Achtung/Achtung: ESD - Auf g ute Erd ung der U mg ebu ng ac ht en! @ 7\ mod_1266318538667_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: 29 /Doku ment ation all gemei n/Gli eder ungsel eme nte/---Seit en wechs el--- @ 3\mod_1221108045078_0.docx @ 21810 @ @ 1
WAGO-I/O-SYSTEM 750 Device Description 17
750-454 2AI 4-20 mA, Differential Inputs
Manual
Version 1.2.0
Pos: 30 /S eri e 7 50 ( WA GO-I/ O-SYST EM) /G erät eb esc hrei bung /Ans chl üss e/C AGE CL AMP- Ans chlüs se - Ü ber schr ift 3 @ 6 \mod_1256296337770_21.docx @ 43674 @ 3 @ 1
3.2.2 CAGE CLAMP
®
Connectors
Pos: 31 /S eri e 7 50 ( WA GO-I/ O-SYST EM) /G erät eb esc hrei bung /Ans chl üss e/A nal ogei ng ang skle mm en/A nsc hlü sse 7 50- 045 2, -0 454, - 045 6 @ 16\mod_1375792326381_21.docx @ 128055 @ @ 1
Figure 3: CAGE CLAMP
®
Connectors
Table 5: Legend for Figure “CAGE CLAMP
®
Connectors”
Channel
Designation
Connector
Function
1
+AI 1
1
Input +AI 1, Differential input +
−AI 1
2
Input −AI 1, Differential input −
Common
(ground)
3 Ground of the analog input circuit
S
4
Shield
2
+AI 2
5
Input +AI 2, Differential input +
−AI 2
6
Input −AI 2, Differential input −
Common
(ground)
7 Ground of the analog input circuit
S
8
Shield
Pos: 32 /D o kume nt ation all ge mein/ Glie der ungs ele mente /---Seit en wechs el--- @ 3\mod_1221108045078_0.docx @ 21810 @ @ 1
18 Device Description WAGO-I/O-SYSTEM 750
750-454 2AI 4-20 mA, Differential Inputs
Manual
Version 1.2.0
Pos: 33 /A ll e Ser ien (Al lg emei ne M od ule)/ Üb ers chrif te n für al le S eri en/G erä teb esc hrei bu ng/A nzei geel e ment e - Ü bersc hrift 2 @ 4\ mod_1240984390875_21.docx @ 31964 @ 2 @ 1
3.3 Display Elements
Pos: 34 /S eri e 7 50 ( WA GO-I/ O-SYST EM)/ Gerät ebesc hrei bung/A nzei geele mente /Anal ogei ngang sklem men/A nzeig eele mente 7 50-0466 , - 0454, -0492 @ 10\mod_1298880287758_21.docx @ 70301 @ @ 1
Figure 4: Display Elements
Table 6: Legend for Figure “Display Elements”
Channel Designation LED State Function
1
Function
AI 1
A
Off
Not ready for operation or no or
disturbed internal bus communication
Green
Operational readiness and trouble-free
internal data bus communication
Error
AI 1
B
Off
Normal operation
Red
Overrange/underrange of the
admissible measuring range, broken
wire
2
Function
AI 2
C
Off
Not ready for operation or no or
disturbed internal bus communication
Green
Operational readiness and trouble-free
internal data bus communication
Error
AI 2
D
Off
Normal operation
Red
Overrange/underrange of the
admissible measuring range, broken
wire
Pos: 35 /Doku ment ation all gemei n/Gli eder ungsel eme nte/---Seit en wechs el--- @ 3\ mod_1221108045078_0.docx @ 21810 @ @ 1
WAGO-I/O-SYSTEM 750 Device Description 19
750-454 2AI 4-20 mA, Differential Inputs
Manual
Version 1.2.0
Pos: 36 /A ll e Ser ien (Al lg emei ne M od ule)/ Üb ers chrif te n für al le S eri en/G erä teb esc hrei bu ng/Sc he mati sch es S ch altbi ld - Über schr ift 2 @ 4\mod_1240984441312_21.docx @ 31967 @ 2 @ 1
3.4 Schematic Diagram
Pos: 37 /S eri e 750 (WAGO-I/O-SYST EM )/ Ger äteb esc hrei bung /S che mati sc he Sc hal tbil der/ A nalog eing ang skl em men/ Sc hem atisc hes Sc halt bil d 7 50-0 454 @ 16\mod_1375794170391_21.docx @ 128060 @ @ 1
Figure 5: Schematic Diagram
Pos: 38 /Doku ment ation all gemei n/Gli eder ungsel eme nte/---Seit en wechs el--- @ 3\mod_1221108045078_0.docx @ 21810 @ @ 1
20 Device Description WAGO-I/O-SYSTEM 750
750-454 2AI 4-20 mA, Differential Inputs
Manual
Version 1.2.0
Pos: 39 /A ll e Ser ien (Al lg emei ne M od ule)/ Üb ers chrif te n für al le S eri en/G erä teb esc hrei bu ng/Te ch nisc he D ate n - Ü ber schri ft 2 @ 3\mod_1232967587687_21.docx @ 26924 @ 2 @ 1
3.5 Technical Data
Pos: 40.1 /Serie 750 (WAGO-I/O-SYST EM )/ Ger äteb esc hrei bung /T echni sc he D ate n/A nal ogei ng angs kle mme n/Tec hni sch e D aten 75 0-0 454 - G erät ed ate n @ 2 1\mod_1423556603893_21.docx @ 173978 @ 3 @ 1
3.5.1 Device Data
Table 7: Technical Data ‒ Device
Width
12 mm
Height (from upper edge of 35 DIN rail)
64 mm
Depth
100 mm
Weight
Approx. 51 g
Pos: 40.2 /Serie 750 (WAGO-I/O-SYST EM) /Ger äte besc hrei bu ng/T ech nisc he Da ten/ A nalog eing ang s kle mmen/T ec hnis ch e D aten 75 0-045 4 - Versorgung @ 16\mod_1375795159743_21.docx @ 128064 @ 3 @ 1
3.5.2 Supply
Table 8: Technical Data ‒ Supply
Voltage supply
Via system voltage internal bus DC/DC
Current consumption (5 VDC system
voltage)
typ.
70 mA
Isolation (peak value)
500 V system/supply
Pos: 40.3 /Serie 750 (WAGO-I/O-SYST EM )/ Ger äteb esc hrei bung /T echni sc he D ate n/A nal ogei ng angs kle mme n/Tec hni sch e D aten 75 0-0 454, -046 5, -0 466, - 046 7 - Kommunikation @ 16\mod_1373360339835_21.docx @ 125852 @ 3 @ 1
3.5.3 Communication
Table 9: Technical Data ‒ Communication
Internal bit width (internal bus)
2-Channel operation
2 × 16 bits data
2 × 8 bits control/status (optional)
Pos: 40.4 /Serie 750 (WAGO-I/O-S YST EM) /Ger äte bes chr ei bung /T echni sc he Da te n/A nal ogeing ang s kle mmen/ Tec hnis ch e D aten 75 0-045 4 - Ei ng äng e @ 1 6\mod_1376302483088_21.docx @ 128413 @ 3 @ 1
3.5.4 Inputs
Table 10: Technical Data ‒ Inputs
Number of inputs
2
Sensor connection
4-wire (differential inputs, external
transducer supply is necessary)
Conversion time
2 ms
Resolution
12 bits
Measurement deviation at 25°C
≤ ±0,2 % of full scale value
Temperature coefficient
< ±0,01 %/K of full scale value
Common mode voltage
max.
35 VDC
Signal current
4 mA ... 20 mA
Input resistance
typ.
< 220 Ω at 20 mA
Pos: 40 .5.1 /Al le Seri en (All gemei ne Mod ule)/Ü bers chrift en für al le Ser ien/G eräte beschr eibu ng/Ans chlus stec hnik - Üb ers chri ft 3 @ 17\mod_1380123271324_21.docx @ 132788 @ 3 @ 1
3.5.5 Connection Type
Pos: 40.5 .2 /Ser ie 7 50 ( WAG O-I/ O-SYST EM )/G erä teb esc hrei bu ng/T ech nisc he D ate n/T echni s che D at en V erdr ah tung seb ene C C - 0,08 bis 2,5mm2 @ 17\mod_1380121238809_21.docx @ 132780 @ @ 1
Table 11: Technical Data – Field Wiring
Wire connection
CAGE CLAMP
®
Cross section
0.08 mm² … 2.5 mm², AWG 28 … 14
Stripped lengths
8 mm … 9 mm / 0.33 in
Pos: 40.5 .3 /Ser ie 7 50 ( WAG O-I/ O-SYST EM )/G eräte bes chr eibu ng/T ech nisc he D ate n/An schl uss tec hni k/T ec hnisc he D at en D ate nkont a kte @ 1 7\mod_1380123495844_21.docx @ 132794 @ @ 1
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