Omron NX Series User Manual page 261

Event name NX Message Communications Error
Meaning An error was detected in message communications and the message frame was discarded.
Source Depends on where the Support
Software is connected and the
system configuration.
Error attrib- Level
utes
Recovery
Effects User program
System-de- Variable
fined varia-
None
bles
Cause and Assumed cause
correction
For the NX bus of CPU Units
The message communications
load is high.
For Communications Coupler Units
The message communications
load is high.
The communications cable is dis-
connected or broken.
This cause does not apply if at-
tached information 2 is 0 (NX
bus).
Message communications were
cutoff by executing the followings
in message communications.
•
Transfer of parameters by the
Support Software
•
Restoration of the backup data
(if this error occurred in the
EtherCAT Slave Terminal)
•
Disconnection of an EtherCAT
slave (if this error occurred in
the EtherCAT Slave Terminal)
Attached in- Attached information 1: System information
formation Attached information 2: Type of communications where error occurred
0: NX bus
1: EtherCAT
2: Serial communications (USB)
3: EtherNet/IP
65535: Internal Unit communications (routing)
Precautions/ None
Remarks
NX/GX-series IO-Link System User's Manual (W570)
Source details NX Unit
Observation
---
Continues. Operation
Data type
---
Correction
Reduce the number of times that
instructions are used to send NX
messages.
Reduce the number of times that
instructions are used to send NX
messages.
Connect the communications ca-
ble securely.
---
10 Troubleshooting for IO-Link Systems
Event code 80220000 hex
Detection tim-
ing
Log category System
Not affected.
Name
---
Prevention
Reduce the number of times that
instructions are used to send NX
messages.
Reduce the number of times that
instructions are used to send NX
messages.
Connect the communications ca-
ble securely.
---
During NX
message com-
munications
10
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