Troubleshooting With Emergency Messages; Emergency Message Notification; Emergency Error Codes - Omron CJ1W-ECT21 Operation Manual

5-5 Troubleshooting with Emergency
Messages
EtherCAT Slave Units are able to report emergency messages to the EtherCAT master by using the
SDO communications if they detect errors.
5-5-1

Emergency Message Notification

When the power supply is turned ON, the EtherCAT Slave Unit always starts with the Notification set-
ting.
Emergency messages cannot be sent while there is an EtherCAT communications error.
Byte
Contents Emergency error code
Refer to 5-5-2 Emergency Error Codes on page 5-25 for the meanings of the emergency messages.
5-5-2

Emergency Error Codes

The following table lists the emergency error codes that are used with EtherCAT Slave Units and the
meaning of each error.
Error
code Error type
(hex)
5530 Memory access
error
6140
6120 Unit error
7030
CJ-series EtherCAT Slave Units Operation Manual for NJ-series CPU Unit (W542)
0 1 2
Reserved
Error name Description
Special Unit An error occurs while read-
Memory Error ing or writing the error log.
All error log records cannot
be used during initialization
or registering an error log
record.
SII Unit Verifi- A verification error
cation Error occurred in the slave infor-
mation stored in SII when
the power supply was
turned ON.
Special Unit An error occurred in the
Error EtherCAT Slave Unit.
ESC Error An error occurred in the
ESC.
3 4 5
0000 hex
Notification to
EtherCAT
master
Yes
No
5 Troubleshooting
6 7
Corrective action
Restart the EtherCAT
Slave Unit.
Replace the EtherCAT
Slave Unit if the error
recurs.
Restart the CPU Unit.
Replace the EtherCAT
Slave Unit if the error
recurs.
Replace the EtherCAT
Slave Unit if the same error
recurs when the Unit is
mounted to another CPU
Unit.
5 - 25
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