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WAGO-I/O-SYSTEM 750
Manual
750-470(/xxx-xxx)
2AI 0-
20mA, S.E., S. C. Protec.
2-Channel Analog Input Module 0/4-
20 mA,
Single-ended (S.E.), short-
circuit protected
Version 1.1.0
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2 WAGO-I/O-SYSTEM 750
750-470 2AI 0-20mA, S.E., S. C. Protec.
Manual
Version 1.1.0
© 2016 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 Liste für Textmarke Einband_vorne ===
WAGO-I/O-SYSTEM 750 Table of Contents 3
750-470 2AI 0-20mA, S.E., S. C. Protec.
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 ........................................................................................................ 15
3.2 Connectors ............................................................................................... 16
3.2.1 Data Contacts/Internal Bus ................................................................. 16
3.2.2 Power Jumper Contacts/Field Supply ................................................ 17
3.2.3 CAGE CLAMP
®
Connectors ............................................................. 19
3.3 Display Elements .................................................................................... 20
3.4 Operating Elements ................................................................................. 20
3.5 Schematic Diagram ................................................................................. 21
3.6 Technical Data ........................................................................................ 22
3.6.1 Device Data ........................................................................................ 22
3.6.2 Power Supply...................................................................................... 22
3.6.3 Communication .................................................................................. 22
3.6.4 Inputs .................................................................................................. 23
3.6.5 Connection Type ................................................................................ 23
3.6.6 Climatic Environmental Conditions ................................................... 24
3.7 Approvals ................................................................................................ 25
4 Process Image ............................................................................................. 27
5 Mounting ..................................................................................................... 29
5.1 Mounting Sequence ................................................................................. 29
5.2 Inserting and Removing Devices ............................................................ 30
5.2.1 Inserting the I/O Module .................................................................... 30
5.2.2 Removing the I/O Module .................................................................. 31
6 Connect Devices ......................................................................................... 32
6.1 Connecting a Conductor to the CAGE CLAMP
®
................................... 32
6.2 Connection Example ............................................................................... 33
6.2.1 2-Wire 0 V .......................................................................................... 33
6.2.2 2-Wire 24 V ........................................................................................ 34
6.2.3 3-Wire ................................................................................................. 35
7 Use in Hazardous Environments .............................................................. 36
4 Table of Contents WAGO-I/O-SYSTEM 750
750-470 2AI 0-20mA, S.E., S. C. Protec.
Manual
Version 1.1.0
7.1 Marking Configuration Examples ........................................................... 37
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 Liste für Textmarke Verzeichnis_ vorne ===
WAGO-I/O-SYSTEM 750 Notes about this Documentation 5
750-470 2AI 0-20mA, S.E., S. C. Protec.
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 750-470 (2AI 0-20mA,
S.E., S. C. Protec.) and the variants listed in the table below.
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Table 1: Variants
Item Number/Variant
Designation
750-470/005-000
2AI 0-20mA, S.E., S. C. Protec., 60 Hz
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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 750-470 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
750-470 2AI 0-20mA, S.E., S. C. Protec.
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
750-470 2AI 0-20mA, S.E., S. C. Protec.
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
750-470 2AI 0-20mA, S.E., S. C. Protec.
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
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
750-470 2AI 0-20mA, S.E., S. C. Protec.
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
750-470 2AI 0-20mA, S.E., S. C. Protec.
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
750-470 2AI 0-20mA, S.E., S. C. Protec.
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
750-470 2AI 0-20mA, S.E., S. C. Protec.
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
750-470 2AI 0-20mA, S.E., S. C. Protec.
Manual
Version 1.1.0
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3 Device Description
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The Analog Input Module 750-470 (2AI 0-20mA, S.E., S. C. Protec.) processes
analog signals with the norm value of 0 mA ... 20 mA.
Pos: 20.1.2 /Seri e 750 (WAGO-I/O-SYSTEM)/Gerätebeschr eibung/Einleitung/ Anwendung/AI/An wendung 750-04 xx AI 2 - oder 3-Leiter-Messu mformer, die keine eigene Spg vers besitzen, können di rek @ 5\mod_1246286043 594_21.docx @ 36320 @ @ 1
Dabei
Two- or three-wire transducers without power supply (e.g., adjustable resistors,
pressure, flow and level meters) can be connected directly.
Pos: 20.1.3 /Seri e 750 (WAGO-I/O-SYSTEM)/Gerätebeschr eibung/Einleitung/ Anwendung/AI/An wendung 750-04xx Messumfor merversorgung dir ekt aus der Busklemme @ 5\mod_124628 7878058_21.doc x @ 36324 @ @ 1
The transducers are directly supplied with 24 V from the I/O module.
Pos: 20.1.4 /Seri e 750 (WAGO-I/O-SYSTEM)/Gerätebeschr eibung/Einleitung/ I/O-Beschreibung/ AI/I/O-Beschr eibung 750-04xx Vers.spann ung kanalweise kurzsch lussfest, 24 V, 25 mA, 1 Hz @ 24\mod_1 446222821301_21.doc x @ 194768 @ @ 1
The supply voltage is short-circuit-protected channel by channel and restricted
electrically to 25 mA. In the event of an overload, the supply voltage is switched
to pulsed mode at approx. 1 Hz.
Pos: 20.1.5 /Seri e 750 (WAGO-I/O-SYSTEM)/Gerätebeschreibung/ Einleitung/I /O-Beschreibung/AI/ I/O-Beschreibung 750-04 xx 2 AI SE Felddsignale ü ber AI1 bzw. AI2 @ 5\mod_12463669 63666_21.docx @ 36353 @ @ 1
The I/O module has 2 input channels for fieldside signals. The sensors may be
received via the CAGE CLAMP
®
connections AI 1 or AI 2.
Pos: 20.1.6 /Seri e 750 (WAGO-I/O-SYSTEM)/Gerätebeschr eibung/Einleitung/ I/O-Beschreibung/ AI/I/O-Beschr eibung 750-04xx AI Gemeins ames Bezugspotential und Sc hirmanschluss @ 5\mod_12 46367930785_21.doc x @ 36363 @ @ 1
The channels have a common reference potential and a shield connection.
Pos: 20.1.7 /Seri e 750 (WAGO-I/O-SYSTEM)/Gerätebeschr eibung/Einleitung/ I/O-Beschreibung/ AI/I/O-Beschr eibung 750-04xx AI Schir manschluss 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: 20.1.8 /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: 20.1.9 /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: 20.1.10 /Seri e 750 (WAGO-I/O-SYSTEM)/Gerätebeschr eibung/Einleitu ng/Funktion/Galvani sche Trennung Eingan gssignal/Systemeb ene (12 Bit) @ 6\mod_125535326 9263_21.docx @ 42550 @ @ 1
The input signal is electrically isolated and is transmitted with a resolution of
12 bits.
Pos: 20.1.11 /Seri e 750 (WAGO-I/O-SYSTEM)/Gerätebeschreibung/ Einleitung/LED-Anz eige/LED Zustand Betri eb und Klemmenbus-Kommunik ation @ 5\mod_1247054 901573_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: 20.1.12 /Seri e 750 (WAGO-I/O-SYSTEM)/Gerätebeschr eibung/Einleitung/ LED-Anzeige/LED Feh ler Kurzschluss/Ber eichsüberschr eitung @ 24\mod_1445952271496 _21.docx @ 194475 @ @ 1
One red error LED per channel indicates a short circuit or a measurement
overrange.
Pos: 20.1.13 /Seri e 750 (WAGO-I/O-SYSTEM)/Gerätebeschr eibung/Einleitung/ LED-Anzeige/Ver weis auf Kapitel "Anzei geelemente" @ 5\mod_124601 0525000_21.docx @ 36194 @ @ 1
The meaning of the LEDs is described in the “Display Elements” section.
Pos: 20.1.14 /Seri e 750 (WAGO-I/O-SYSTEM)/Gerätebeschr eibung/Einleitung/ Versorgung/Anordnu ng unter Berücksic htigung der Leistungskon takte beliebig @ 3\mod_123 3756233468_21.doc x @ 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: 20.1.15 /Seri e 750 (WAGO-I/O-SYSTEM)/Wichtige Er läuterungen/Sicherhei ts- und sonstige Hin weise/Achtung/Achtu ng: Keine 24V-Feldversor gungsspannung einspei sen! @ 24\mod_14459489 63069_21.docx @ 194468 @ @ 1
Do not apply 24V field supply voltage!
Do not apply 24V field supply voltage to the U
V
1 and U
V
2 supply voltage
connections. The supply voltage outputs are not feedback protected.
Pos: 20.1.16 /Seri e 750 (WAGO-I/O-SYSTEM)/Gerätebeschr eibung/Einleitung/ Versorgung/Versor gung 24 V, 0 V über Leistungsko ntakte Standard @ 3\mod_1226 498974531_21.doc x @ 25020 @ @ 1
The I/O module 750-470 (2AI 0-20mA, S.E., S. C. Protec.) receives the 24 V
voltage supply for the field level from an upstream I/O module or from the
fieldbus coupler/controller via blade-formed power jumper contacts. It then
provides these potentials to subsequent I/O modules via spring-formed power
jumper contacts.
Pos: 20.1.17 /Seri e 750 (WAGO-I/O-SYSTEM)/Wichtige Er läuterungen/Sicherhei ts- und sonstige Hin weise/Achtung/Achtung: Maximaler Strom Lei stungskontakte 10 A @ 3\mod_1 226499143500_21.doc x @ 25029 @ @ 1
14 Device Description WAGO-I/O-SYSTEM 750
750-470 2AI 0-20mA, S.E., S. C. Protec.
Manual
Version 1.1.0
Do not exceed maximum current via power jumper contacts!
The maximum current to flow through the power jumper contacts is 10 A.
Greater currents can damage the contacts.
When configuring your system, ensure that this current is not exceeded. If
exceeded, insert an additional supply module.
Pos: 20.1.18 /Seri e 750 (WAGO-I/O-SYSTEM)/Gerätebeschr eibung/Einleitung/ Einsatzbereic h/Einsatzbereich 750- xxxx alle Koppler/Con troller ohne Economy- Koppler @ 3\mod_123254186746 8_21.docx @ 26525 @ @ 1
The I/O module 750-470 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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WAGO-I/O-SYSTEM 750 Device Description 15
750-470 2AI 0-20mA, S.E., S. C. Protec.
Manual
Version 1.1.0
Pos: 20.3 /Alle Serien (A llgemeine Module)/Ü berschriften für alle Serien/Gerätebeschr eibung/Ansicht - Überschrift 2 @ 4\mod_12409 84217343_21.docx @ 31958 @ 2 @ 1
3.1 View
Pos: 20.4 /Serie 750 (W AGO-I/O-SYSTEM)/Gerätebeschrei bung/Ansicht/Anal ogeingangsklemmen/Ansi cht 750-0470 @ 24\mod_144 5870346723_21.doc x @ 194388 @ @ 1
Fig. 1: View
Pos: 20.5 /Serie 750 (W AGO-I/O-SYSTEM)/Gerätebeschrei bung/Ansicht/Ansic ht CageClamp®_Legende mit L EDs, mit 1 Entriegelung slasche @ 15\mod_13708 67188922_21.docx @ 122225 @ @ 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
Power jumper contacts
“Device Description” > “Connectors”
6
Release tab
“Mounting” > “Inserting and Removing
Devices”
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16 Device Description WAGO-I/O-SYSTEM 750
750-470 2AI 0-20mA, S.E., S. C. Protec.
Manual
Version 1.1.0
Pos: 20.7 /Alle Serien (A llgemeine Module)/Ü berschriften für alle Serien/Gerätebeschr eibung/Anschlüsse - Überschrift 2 @ 4\ mod_1240984262656_21.doc x @ 31961 @ 2 @ 1
3.2 Connectors
Pos: 20.8 /Serie 750 (W AGO-I/O-SYSTEM)/Gerätebeschrei bung/Anschlüsse/Dat enkontakte/Kle mmenbus - Überschri ft 3 @ 6\mod_1256294684083_21. docx @ 43660 @ 3 @ 1
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/Achtung: 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/Achtung: 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.
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WAGO-I/O-SYSTEM 750 Device Description 17
750-470 2AI 0-20mA, S.E., S. C. Protec.
Manual
Version 1.1.0
Pos: 20.11 /Serie 750 (W AGO-I/O-SYSTEM)/Gerätebeschrei bung/Anschlüsse/Lei stungskontakte/ Feldversorgung - Überschrift 3 @ 6\mod_1256 294692864_21.docx @ 43664 @ 3 @ 1
3.2.2 Power Jumper Contacts/Field Supply
Pos: 20.12.1 /Seri e 750 (WAGO-I/O-SYSTEM)/Wichtige Er läuterungen/Sicherhei ts- und sonstige Hin weise/Vorsicht/Vorsi cht: Verletzungsg efahr durch scharf kantige Messerkontakte! @ 6\mod_1256193279401_ 21.docx @ 43414 @ @ 1
Risk of injury due to sharp-edged blade contacts!
The blade contacts are sharp-edged. Handle the I/O module carefully to prevent
injury.
Pos: 20.12.2 /Seri e 750 (WAGO-I/O-SYSTEM)/Gerätebeschr eibung/Anschlüsse/ Leistungskontak te 2 LK (Messer/Leistungsko ntakte 2 LK (Messer/Feder ) - Einleitung @ 15\mod_ 1371721641099_21. docx @ 123714 @ @ 1
The I/O module 750-470 has 2 self-cleaning power jumper contacts that supply
and transmit power for the field side. The contacts on the left side of the I/O
module are designed as blade contacts and those on the right side as spring
contacts.
Pos: 20.12.3 /Seri e 750 (WAGO-I/O-SYSTEM)/Gerätebeschr eibung/Anschlüsse/ Leistungskontak te 2 LK (Messer/Leistungsko ntakte 2 LK (Messer/Feder ) - Abbildung, einf ache Breite - Standard @ 15\mod_1 367500700037_21. docx @ 118396 @ @ 1
Figure 3: Power Jumper Contacts
Pos: 20.12.4 /Seri e 750 (WAGO-I/O-SYSTEM)/Gerätebeschr eibung/Anschlüsse/ Leistungskontak te 2 LK (Messer/Leistung skontakte 2 LK (Messer/ Feder) - Legende @ 15\mod_13717 21352500_21.doc x @ 123710 @ @ 1
Table 5: Legend for Figure “Power Jumper Contacts”
Contact
Type
Function
1
Spring contact
Potential transmission (U
v
) for field supply
2
Spring contact
Potential transmission (0 V) for field supply
3
Blade contact
Potential feed-in (0 V) for field supply
4
Blade contact
Potential feed-in (U
v
) for field supply
Pos: 20.12.5 /Seri e 750 (WAGO-I/O-SYSTEM)/Wichtige Er läuterungen/Sicherhei ts- und sonstige Hin weise/Achtung/Achtu ng: Maximaler Strom Lei stungskontakte 10 A @ 3\mod_1 226499143500_21.doc x @ 25029 @ @ 1
Do not exceed maximum current via power jumper contacts!
The maximum current to flow through the power jumper contacts is 10 A.
Greater currents can damage the contacts.
When configuring your system, ensure that this current is not exceeded. If
exceeded, insert an additional supply module.
Pos: 20.12.6 /Seri e 750 (WAGO-I/O-SYSTEM)/Wichtige Er läuterungen/Sicherhei ts- und sonstige Hin weise/Hinweis/Hinweis: Potentialeins peiseklemme für Erde ei nsetzen! (keine LK für Er de) @ 3\mod_1226499037468_21. docx @ 25023 @ @ 1
18 Device Description WAGO-I/O-SYSTEM 750
750-470 2AI 0-20mA, S.E., S. C. Protec.
Manual
Version 1.1.0
Use supply modules for ground (earth)!
The I/O module has no power jumper contacts for receiving and transmitting the
earth potential. Use a supply module when an earth potential is needed for the
subsequent I/O modules.
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WAGO-I/O-SYSTEM 750 Device Description 19
750-470 2AI 0-20mA, S.E., S. C. Protec.
Manual
Version 1.1.0
Pos: 20.14 /Serie 750 (W AGO-I/O-SYSTEM)/Gerätebeschrei bung/Anschlüsse/CA GE CLAMP-Anschlüsse - Übersc hrift 3 @ 6\mod_1256296337 770_21.docx @ 43674 @ 3 @ 1
3.2.3 CAGE CLAMP
®
Connectors
Pos: 20.15 /Serie 750 (W AGO-I/O-SYSTEM)/Gerätebeschrei bung/Anschlüsse/Ana logeingangskle mmen/Anschlüsse 750-04 70, -0473 @ 24\mod_1445613394 473_21.docx @ 194210 @ @ 1
Figure 4: CAGE CLAMP
®
Connectors
Table 6: Legend for Figure “CAGE CLAMP
®
Connectors”
Channel
Designation
Connection
Function
1
AI1
1
Current signal
24 V
2
Field supply U
v
0 V
3
Field supply 0 V
S
4
Shield
2
AI2
5
Current signal
24 V
6
Field supply U
v
0 V
7
Field supply 0 V
S
8
Shield
Pos: 20.16 /Serie 750 (W AGO-I/O-SYSTEM)/Wichtige Erläuter ungen/Sicher heits- und sonstige Hinweis e/Hinweis/Hinweis: Geschirmte Signal leitungen verwenden! @ 7\mod_1265723251019_21. 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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20 Device Description WAGO-I/O-SYSTEM 750
750-470 2AI 0-20mA, S.E., S. C. Protec.
Manual
Version 1.1.0
Pos: 20.18 /Alle Seri en (Allgemeine Module)/ Überschriften für alle Serien/Gerätebesc hreibung/Anzeigee lemente - Überschr ift 2 @ 4\mod_1240984390875_21.doc x @ 31964 @ 2 @ 1
3.3 Display Elements
Pos: 20.19 /Serie 750 (W AGO-I/O-SYSTEM)/Gerätebeschrei bung/Anzeigeelem ente/Analogeingan gsklemmen/Anzeige elemente 750-0470 @ 24\mod_1 445951965487_21.doc x @ 194471 @ @ 1
Figure 5: Display Elements
Channel
Designation
LED
State
Function
1
Status
AI1
A
Off
Not ready for operation or no or
disturbed internal bus communication
Green
Ready for operation and undisturbed
internal bus communication
Error
AI1
B
Off
Normal operation
Red
Overrange of the admissible
measuring range, short circuit
2
Status
AI2
C
Off
Not ready for operation or no or
disturbed internal bus communication
Green
Ready for operation and undisturbed
internal bus communication
Error
AI2
D
Off
Normal operation
Red
Overrange of the admissible
measuring range, short circuit
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3.4 Operating Elements
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The I/O module 750-470 has no operating elements.
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