4
LB Remote I/O System
3.4 Inserting and Removing Modules.....................................................34
3.5 Installing the Separation Wall ...........................................................35
3.6 Field Wiring .........................................................................................37
3.7 Coding .................................................................................................39
3.8 Line Fault Detection ...........................................................................39
3.9 Cold Junctions in Thermocouples....................................................40
3.10 Line Resistance in Resistance Thermometers ................................41
3.11 Strain Gauge Measurement ...............................................................42
3.12 Status Monitoring of the Output Switch-off .....................................42
3.13 Redundancy........................................................................................43
3.13.1 Basic Principles................................................................................ 43
3.13.2 Media Redundancy .......................................................................... 43
3.13.3 Application Redundancy ..................................................................44
3.14 Fieldbus Connection..........................................................................44
3.15 Potential Equalization and Shielding................................................46
3.15.1 Interference ...................................................................................... 46
3.15.2 Wiring............................................................................................... 47
3.16 System Expansion..............................................................................48
4 Commissioning......................................................................... 49
4.1 Electrical Testing of Connections .....................................................49
4.2 Configuration ......................................................................................50
4.2.1 Service Bus Connection via RS-232 ................................................ 50
4.2.2 Service Bus Connection via USB ..................................................... 50
4.3 Startup Phase......................................................................................51
5 Operation................................................................................... 52
6 Troubleshooting........................................................................ 53
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