Installation, Operation and Maintenance Manual
MDE 254 Rev. 1 March 2021
Appendix 63
Appendix
Appendix A: HART Command 3
Communication Example
Figure A-1 Block Diagram
See Section 11.5 for Terminal Board Connections.
Figure A-2 Example of HART Command 3 Communication with
Dynamic Variables Values (decimal)
4 - 20 mA
Loop Current Generator
ICON3000
+
HRT2000v4 Interface
4 - 20 mA Signal
Viator
RS232 / USB Adapter
PC with a HART
Master application
The windows on the right shows the decimal value of Dynamic Variables and the Field Device Status;
this window can be selected from “View -> Dynamic Variables”.
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