Modbus RTU not getting values
I have PM554 ETH CPU its COM1 is configured as Modbus to collect data from a relay that supports Modbus CPU operates in client mode and I am using COM_MOD_MAST for data collection.
I have checked with giving a single input to the relay whether the communication is fine or not. But unfortunately, I didn't get the readings in the PLC
Pictures are inserted which contains COM_MOD_MAST FB block, Modbus communication in CPU also the Modbus register mapping from the relay manual
I am unable to understand where I have done wrong
Hope you can help me to find out the problem
Thanks a lot
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