Omron CJ1W-SCU32 Operation Manual page 305

Error code Error contents
0300 Hex Parameter packet dis-
carded
0301 Hex Protocol macro operation
error
0302 Hex Illegal protocol packet dis-
carded.
0601 Hex Unit error
0602 Hex Special Unit Memory Error
CJ-series Serial Communications Units Operation Manual for NJ-series CPU Unit(W494)
9 Troubleshooting and Maintenance
Details
First byte
Same contents as event send/receive errors.
01 Hex: Port 1
02 Hex: Port 2
01 Hex: Port 1
02 Hex: Port 2
Check the operating environment.
01 Hex: Read error
02 Hex: Write error
Second byte
Protocol macro error code
Always 00 Hex
06 Hex: Error log
07 Hex: Protocol data
Stored in
EEPROM
No
No
No
Yes
No
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