Inovance H3U Series - Page 597

596
9
9 Communication9.2 Serial Port
5) List of communication error codes
Parallel Connection
Communication Error
M8063 (D8063)
Continuation
0000 Normal
6301
Odd/even check error, overow
error, and frame error
Check whether PLCs are powered
on, whether the adapter is correctly
connected to the controller, and
whether adapters are correctly
connected to each other.
6302 Incorrect communication character
6303
Inconsistent communication data
sum
6304 Incorrect data format
6305 Incorrect instruction
6306 Monitor timer timeout
6307 to 6311 None
6312 Incorrect parallel character
6313 Incorrect parallel sum
6314 Incorrect parallel format
6330
Incorrect Modbus slave station
address
If errors occur during COM0
communication, check whether
the COM0 communication cable is
correctly connected.
6331 Incorrect data frame length
6332 Incorrect address
6333 CRC error
6334 Unsupported instruction code
6335 Receiving timeout
6336 Data error
6337 Buffer overow
6338 Frame error
6339 Serial protocol error
6340
Incorrect Modbus slave station
address
If errors occur during COM1
communication, check whether
the COM1 communication cable is
correctly connected.
Check whether communication
formats are matched.
6341 Incorrect data frame length
6342 Incorrect address
6343 CRC error
6344 Unsupported instruction code
6345 Receiving timeout
6346 Data error
6347 Buffer overow
6348 Frame error
6349 Serial protocol error
• M8063 and D8063 persist after troubleshooting until they are cleared manually.