Omron NX-EIC202 - Page 330

12 Troubleshooting
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NX-series EtherNet/IP Coupler Unit User’s Manual (W536)
Event name NX Message Communications Error Event code 80220000 hex
Meaning An error was detected in message communications and the message frame was discarded.
Source EtherNet/IP Source details EtherNet/IP
Coupler Unit
Detection
timing
During
message
communications
Error
attributes
Level Observation Recovery --- Log category System
Effects User program Continues. Operation Not affected.
Sys-
tem-defined
variables
Variable Data type Name
None --- ---
Cause and
correction
Assumed cause Correction Prevention
For the NX bus of CPU Units
The message communications
load is high.
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.
For Communications Coupler Units
The message communications
load is high.
Reduce the number of times
instructions are used to send NX
messages.
Reduce the number of times
instructions are used to send NX
messages.
The communications cable is dis-
connected or broken.
This cause does not apply if
attached information 2 is 0 (NX
bus).
Connect the communications
cable securely.
Connect the communications
cable securely.
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 Eth-
erCAT Slave Terminal)
• Disconnection of an EtherCAT
slave (if this error occurred in
the EtherCAT Slave Terminal)
--- ---
Attached
information
Attached information 1: System information
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/
Remarks
None