WAGO 750-481/040-000, Manual

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4 Table of Contents WAGO I/O SYSTEM 750 XTR
750-481/040-000 2AI RTD Ex i XTR
Manual
Version 1.1.0
5.2.1 Inserting the I/O Module .................................................................... 41
5.2.2 Removing the I/O Module.................................................................. 42
6 Connect Devices ....................................................................................... 43
6.1 Connecting a Conductor to the CAGE CLAMP
®
.................................... 43
6.2 Power Supply Concept .......................................................................... 44
6.2.1 Supplementary Power Supply Regulations ....................................... 47
6.3 Connection Examples ............................................................................ 50
6.3.1 2 × RTD, 2-Conductors ..................................................................... 50
6.3.2 2 × RTD, 3-Conductors ..................................................................... 50
6.3.3 2 × Resistance .................................................................................. 51
6.3.4 2 × Potentiometer .............................................................................. 51
7 Use in Hazardous Environments ............................................................ 52
7.1 Marking Configuration Examples ........................................................... 53
7.1.1 Marking for Europe According to ATEX and IECEx .......................... 53
7.1.2 Marking for the United States of America (NEC) and Canada
(CEC) ................................................................................................ 57
7.2 Installation Regulations .......................................................................... 60
7.2.1 Special Notes including Explosion Protection ................................... 60
7.2.2 Special Notes Regarding ANSI/ISA Ex ............................................. 62
8 Appendix ................................................................................................... 63
8.1 Configuration and Parameterization using a GSD File with
PROFIBUS DP and PROFINET IO ........................................................ 63
8.1.1 2AI RTD Ex i Configuration ............................................................... 63
8.1.1.1 PROFIBUS DP Fieldbus Couplers/Controllers
750-333(/0xx-000), 750-833(/0xx-000) ......................................... 63
8.1.1.2 PROFINET IO Fieldbus Couplers 750-375(/025-000),
750-377(/025-000) ........................................................................ 64
8.1.2 2AI RTD Ex i Parameterization ......................................................... 64
8.1.2.1 All PROFIBUS DP and PROFINET IO Fieldbus
Couplers/Controllers ..................................................................... 66
8.1.2.2 PROFIBUS DP Fieldbus Couplers/Controllers
750-333(/0xx-000), 750-833(/0xx-000) ......................................... 67
8.1.2.3 PROFINET IO Fieldbus Couplers 750-375(/025-000),
750-377(/025-000) ........................................................................ 68
List of Figures .................................................................................................... 69
List of Tables ...................................................................................................... 70