Omron NX Series User Manual page 231

If an Emergency Message Detected event occurs, the _EC_SlavEmergErr system-defined variable
(Emergency Message Detected) changes to TRUE. Therefore, you can use the user program to check
whether the slave has sent an emergency message.
Contents of Emergency Messages
An emergency message is composed of 8-byte data as shown below.
Byte
Contents Emergency error code
List of Emergency Error Codes
The following table lists the emergency error codes that are used by GX-type IO-Link Units, and the
corrections for the errors.
Emergency error
code (hex)
5530
6140
6330
7030
NX/GX-series IO-Link System User's Manual (W570)
0 1 2
Reserved
Error name Description
Non-volatile Mem- A timeout was de-
ory Hardware Er- tected when writ-
ror ing data to non-
volatile memory
during EtherCAT
communications.
Slave Unit Verifi- When the power
cation Error supply was turned
ON, a verification
error occurred for
the slave informa-
tion stored in the
Slave Unit.
Non-volatile Mem- An error occurred
ory Checksum Er- in the data in non-
ror volatile memory in
the slave.
Slave Hardware A hardware error
Error occurred in the
Ether-CAT com-
munications sec-
tion.
10 Troubleshooting for IO-Link Systems
3 4 5
Sysmac event code
Notifica-
tion to
Error re- Ether-
cord CAT
Master
Unit
Not re- Can be
corded. notified.
Record- Cannot
ed. be noti-
fied.
Record- Can be
ed. notified.
Record- Cannot
ed. be noti-
fied.
6 7
Correction
Write the data again.
If the error still occurs after
cycling the power supply,
the Slave Unit is faulty. Re-
place the Slave Unit.
There is an error in the da-
ta in the non-volatile mem-
ory. Use the Configuration
Tool or SDO communica-
tions to initialize the non-
volatile memory, and then
restart the slave. (Applica-
ble index: 1011 hex (Re-
store Default Parameters))
If the error still occurs after
cycling the power supply,
the Slave Unit is faulty. Re-
place the Slave Unit.
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