WEST P4100 - Page 10

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- DIN Controllers & Indicators - Product Manual
59305, Issue 5 – March 2005 Page ix
Physical Layer ............................................................................................................. 93
Link Layer.................................................................................................................... 94
Device Addressing ...................................................................................................... 95
Supported Modbus Functions...................................................................................... 95
Function Descriptions.................................................................................................. 95
Read Coil/Input Status (Function 01 / 02) ...............................................................96
Read Holding/Input Registers (Function 03 / 04) ....................................................96
Force Single Coil (Function 05)............................................................................... 97
Pre-Set Single Register (Function 06) .................................................................... 97
Loopback Diagnostic Test (Function 08)................................................................. 97
Pre-Set Multiple Registers (Function 10 Hex).........................................................98
Exception Responses ............................................................................................. 98
13 ASCII Communications.............................................................................................99
Physical Layer ............................................................................................................. 99
Device Addressing ...................................................................................................... 99
Session Layer.............................................................................................................. 99
Type 1 Message ...................................................................................................100
Type 2 Message ...................................................................................................101
Type 3 Message ...................................................................................................101
Type 4 Message ...................................................................................................103
Error Response ......................................................................................................... 103
14 Calibration Mode ..................................................................................................... 104
Equipment Required For Checking or Calibrating the Universal Input ...................... 104
Calibration Check ...................................................................................................... 104
Recalibration Procedure............................................................................................ 105
15 Appendix 1 - Glossary ............................................................................................106
Active Setpoint Type: Controller Definition .................................................................... 106
Actual Setpoint
Type: Controller Definition ................................................................... 106
Alarm Hysteresis
Type: General Parameter ................................................................. 107
Alarm Operation Type: General Definition..................................................................... 108
Alarm Inhibit Type: General Parameter ......................................................................... 109
Annunciator Type: Limit Controller Definition .................................................................. 109
Automatic Reset (Integral)
Type: Controller Tuning Parameter ...................................... 109
Auto Pre-Tune
Type: Controller Tuning Parameter......................................................... 109