We've recently tried to use the DTM Browser to communicate with a ModbusTCP device which has data available for reading on register 30001 upward, and data for writing to at 40001 and upward. I would have expected this to be a common situation, where the DTM Browser Generic ModbusTCP Device would be suitable, however on investigation, the ModbusTCP DTM Browser Generic Device is only able to access 40001 Holding Registers.
Has anyone come across the same issue?
Was there a workaround found (which didn't involve the use of DATA_EXCH / READ_VAR)?
Lead Control Systems Engineer for Alliance Automation (VIC). All opinions are my own and do not represent the opinions or policies of my employer, or of my cat..