User configured X80 HART module in M580 PLC platform to connect HART devices. If user want to program the HART devices' data in UnityPro (CPU), they had two choices:
1. The high priority of the solution is Device DDT, the user can configure the variables in DTM what they want.
2. If the customer want to program by Data_Exch, I suggest them to refer the trace when the DTM communicate with the HART module, and organized the frame in Data_Exch, which is faster than refer to the HART protocol SPEC.

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