Signal Conditioning

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modbus Query & Response

I am trying to read a modbus response for a query send to an inverter over Modbus TCP/IP using the software Docklight.

Query Send in Hex: 15 01 00 00 00 06 01 03 00 BD 00 01 ( Trying to read Register 40188 with offset -1)

Response received: 15 01 00 00 00 05 01 03 02 FF FF

Every query send is responded with same response FF.

Please Help!!

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DUPLICATE

 

Please don't ask your question in multiple post

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