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Table of Contents
WAGO-I/O-SYSTEM 750
750-461 2AI Pt100/RTD
Manual
Version 1.4.1
Resistance Measurement 10 Ohm to 5.0 kOhm ............................... 34
Configurable I/O Module 750-461/003-000 ............................................ 34
I/O Module for NTC Resistance Sensors ............................................... 36
Mounting Sequence ............................................................................... 37
Inserting and Removing Devices ........................................................... 38
Inserting the I/O Module .................................................................... 38
Removing the I/O Module.................................................................. 39
Connecting a Conductor to the CAGE CLAMP
.................................... 40
Connection Examples ............................................................................ 41
2 × RTD, 2-Conductors ..................................................................... 41
2 × RTD, 3-Conductors ..................................................................... 42
Use in Hazardous Environments ............................................................ 43
Marking Configuration Examples ........................................................... 44
Marking for Europe According to ATEX and IECEx .......................... 44
Marking for the United States of America (NEC) and Canada
Special Notes Regarding Explosion Protection ................................. 51
Special Notes Regarding ANSI/ISA Ex ............................................. 53
Configuration and Parameterization using a GSD File with
PROFIBUS DP and PROFINET IO ........................................................ 54
Configuration of the RS-232/RS-485 Interface .................................. 54
PROFIBUS DP Fieldbus Coupler/Controller 750-333(/0xx-000),
750-833(/0xx-000), PROFINET IO Fieldbus Coupler (750-370) ... 54
PROFINET IO Fieldbus Coupler 750-375(/025-000), 750-377
(/025-000) ..................................................................................... 55
Configuration of the RS-232/RS-485 Serial Interface ....................... 56
All PROFIBUS DP and PROFINET IO Fieldbus
Couplers/Controllers ..................................................................... 57
PROFIBUS DP Fieldbus Coupler/Controller 750-333(/0xx-000),
750-833(/0xx-000), PROFINET IO Fieldbus Coupler 750-370 ..... 59
PROFINET IO Fieldbus Coupler 750-375(/025-000), 750-377
(/025-000) ..................................................................................... 60
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