FU NCT IO N CO DES
EXCEPTION CODE HANDLING
1TG C908004M0 201
43
8.10.
Exception Code Handling
Handling of exception code is supported according to MODBUS specification. The following
response telegrams will be sent if a query could not be served:
Exception code 1 (Illegal function)
A Function Code was received that is not supported.
Exception code 2 (Illegal data address)
A register address is out of the valid range.
Exception code 3 (Illegal data value)
The length of the telegram is not valid (start a register counter >
start
address
range
+
1).
Exception code 8 (Memory parity error)
The CRC of the received telegrams is not correct.