How to Configure Modbus Input registers in CI867 acting as Slave?
I need to configure Modbus Input registers in Access variables (30101). When I used the format at %IW10#100, it is showing Syntax error. The access variable is not accepting anything other than %MW and %M. How to configure for Input registers (FC4)? Could anyone help me with an solution?
CI867 acts as Modbus Slave.
data type used for Input registers : int
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Based on testing I have done, I understood the Access variable cannot accept %IW. Irrespective of either it is Holding registers or Input registers, the Master will ready only from one location. For e.g if we define %MW100 in access variable list, In the master both Holding register 101 and Input register 101 reads from the same location. If any one has different views, please correct me