188
bUS (Option
Communication Error)
CE (Modbus
Communication Error)
11.8 Communication Errors
11.8.1 Modbus Errors
The Modbus error codes are listed in the following table.
When an error occurs, remove the cause of the fault and restart communications. Each error
code may have different definitions depending on the function code.
Read data is outside the setting range
Write data is outside the setting range
Write data is outside the setting range
Read data exceeds 125 pieces
Write data is outside the setting range
Read request value error including CRC check error
Write data exceeds 123 pieces or byte count does not match
the amount of write data.