Error Codes And Detail Codes; Status Information - Omron CJ1W-CORT21 Operation Manual

6 Troubleshooting and Maintenance
6-3-2

Error Codes and Detail Codes

Error ID
code
(Hex)
0001 ER1 CPU Unit watchdog timer error
0002 ER2 CPU Unit service monitoring error
(Servicing from the CPU Unit is not
performed at fixed intervals.)
000E ER3 PC21 Bus Error
0601 ER5 CPU Bus Unit Error
0602 ER5 Error Log Read Error
ER6 Error log write error
ER7 Network parameter read error
ER8 Network parameter write error
0201 ER8 Network parameter file lost
0340 ER10 Network power fail
Note The error information is not written to EEPROM when a memory error occurs in the error log
area (EEPROM).
6-3-3

Status Information

The Unit status can be read by analyzing the status words. In the next table there is an overview of all
information which can be analyzed. The Unit uses only device variables *_StaComm, *_DelayMsgNo
and *_ProcMsgNo for status information
Device Variable
*_MsgRcv (Bool)
*_SendOver
(Bool)
*_RcvOver (Bool)
*_NetPwrErr
(Bool)
6-8
Error
00 Hex
Monitoring time (ms)
00 Hex
Undefined Contents
01 Hex
02 Hex
01 Hex
02 Hex
00 Hex
00 Hex
Device Variable *_StaComm (Word)
Name Status
CAN Mes- OFF
sage
Received
ON
Send Over- OFF
flow
ON
Recieve OFF
Overflow
ON
Network OFF
Power Fail-
ON
ure
CJ-series User Defined CAN Unit Operation Manual for NJ-series CPU Unit (W517)
Detail code
First byte Second byte
00 Hex
00 Hex
06 Hex
06 Hex
02 Hex
02 Hex
00 Hex
02 Hex
Controlled
by
Unit New configured CAN message received
since last cyclic refresh
Unit No new configured CAN message received
since last cyclic refresh
Unit All messages to be sent fit in the send queue
Unit Send queue overflow, some messages will be
delayed
Unit Receive queue overflow, some received mes-
sages have been discarded
Unit All messages received were handled
Unit Network power OK
Unit Error ER10 active (Power fail when communi-
cating)
Record
stored in
EEPROM
Yes
Yes
Yes
Yes
Yes
No
Yes
No
No
Yes
Unit Operation