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SUPPORTED FUNCTIONS
Function Description
01 READ COIL STATUS (Reading the state of the logic outputs)
02 READ INPUT STATUS (Reading the state of the logic inputs)
03 READ HOLDING REGISTERS (Reading the programmable registers)
04 READ INPUT REGISTERS (Reading the “read only” registers”)
05 FORCE SINGLE COIL (Writing the status of each output)
06 PRESET SINGLE REGISTER (Writing a programmable register)
15 FORCE MULTIPLE COILS (Multiple writing of outputs)
16 PRESET MULTIPLE REGISTERS (Multiple writing of registers)
Funct + 80h EXCEPTION RESPONSE
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