Pepperl+Fuchs FB Remote I/O, Руководство по оборудованию

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FB Remote I/O
3.7 Coding .................................................................................................48
3.8 Line Fault Detection ...........................................................................49
3.9 Cold Junctions in Thermocouples....................................................49
3.10 Line Resistance in Resistance Thermometers ................................50
3.11 Strain Gage Measurement..................................................................51
3.12 Status Monitoring of the Output Shutdown .....................................52
3.13 Redundancy in PROFIBUS Communication ....................................52
3.13.1 Basic Principles................................................................................ 52
3.13.2 Media Redundancy .......................................................................... 53
3.13.3 Application Redundancy .................................................................. 53
3.14 Fieldbus Connection..........................................................................54
3.14.1 RS-485-Based Fieldbuses ............................................................... 54
3.14.2 Ethernet-Based Fieldbuses ..............................................................56
3.14.3 Cable Gland for Prefabricated Cables to Ethernet Gateways ............58
3.15 Potential Equalization and Shielding................................................60
3.15.1 Sources of Noise .............................................................................. 60
3.15.2 Wiring............................................................................................... 61
3.16 System Expansion..............................................................................62
4 Commissioning......................................................................... 63
4.1 Electrical Testing of Connections .....................................................63
4.2 Configuration of an RS-485-Based Bus System..............................64
4.3 Startup Phase......................................................................................64
5 Operation................................................................................... 65
6 Troubleshooting........................................................................ 66