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Modbus Error: Bad checksum on code 120

S

Thread Starter

Sebastian

I have the problem: bad checksum on response modbus error code 120.

Hardware:
PLC 984-130

Comunication RS-232 9 pin

Computer:
486DX
system: DOS 6.2 + NC

Program: LMODSOFT 2.0

I have the problem: bad checksum on response modbus error code 120.

Very very please help.
Thanks awfully!
Sebastian
[email protected]
 
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