20 mA CURRENT LOOP SERIAL COMMUNICATIONS (Optional) ························30
General Description ·························································30
Communication Format ······················································30
Sending Commands to the IMD1 ···············································31
Command String Examples ·················································31
Receiving Data from the IMD1 ·················································33
CURRENT LOOP INSTALLATION ················································34
Wiring Connections ·························································34
Serial Terminal Descriptions ···················································34
Serial Communications Example ···············································35
Process Controlling System ················································35
RE-TRANSMITTED ANALOG OUTPUT (Optional) ····································36
Analog Output Calibration ····················································37
APPENDIX “A” - INSTALLATION & CONNECTIONS ··································38
Installation Environment ······················································38
Panel In stal la tion ························································38
Select AC Power (115/230 VAC) ···············································38
EMC Installation Guidelines ···················································39
Wiring Connections ·························································40
Power Wiring ···························································40
Signal Wiring ···························································41
User Input Wiring ························································41
Output Wiring ···························································41
Selecting the Input Range ····················································41
APPENDIX “B” - SPECIFICATIONS AND DIMENSIONS ·······························42
APPENDIX “C” - TROUBLESHOOTING GUIDE ······································44
AP PEN DIX “D” - PRO GRAM MA BLE FUNC TIONS ····································45
APPENDIX “E” - USERS PROGRAMMING VALUES CHART ····························47
APPENDIX “F” - ORDERING INFORMATION ········································49
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