Omron CJ1W-SCU32 Operation Manual page 307

Error
code
0111 Hex Command too long
0122 Hex Service cannot be executed in current serial
communications mode and was discarded.
0107 Hex There is no remote device.
CJ-series Serial Communications Units Operation Manual for NJ-series CPU Unit(W494)
Troubleshooting
9 Troubleshooting and Maintenance
Serial communications mode
Protocol Serial No-
Macro Gateway protocol
No Yes No
No Yes No
No Yes No
Loop- Modbus-
back Test RTU
Slave
No No
No No
No No
9-29
9