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Do you have an example of communication between one M221 and one HMISTU using Modbus serial?

An example showing the communication between M221 and HMISTU is attach below it contains the SoMachine Basic and Vijeo Designer program.
In those programs there are examples of read bits and words from the PLC and write bits and words in the PLC.
Also there is an example of transfer of a preset value to one timer.

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