Omron PROFINET NX-PNC202 User Manual page 253

Event name NX Message Communications Error
Meaning An error was detected in message communications and the message frame was discarded.
Source Build-in Ethernet port
Error Level
attributes
Effects User program
Sys- Variable
tem-defined
None
variables
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
attached information 2 is 0 (NX
bus).
Message communications were
cutoff by executing the followings
in message communications.
• Transfer of parameters by the
Sysmac Studio
Attached Attached information 1: System information
information
Attached Information 2: Type of communications where error occurred
Precautions/ None
Remarks
NX-series PROFINET Coupler Unit User's Manual (W623)
Source details
Observation Recovery
Continues. Operation
Data type
---
Correction
Reduce the number of times that
instructions are used to send NX
messages.
Reduce the number of times
instructions are used to send NX
messages.
Connect the communications
cable securely.
---
0: NX bus
1: EtherCAT
2: Serial communications (USB)
3: EtherNet/IP
4: PROFINET
65535: Internal Unit communications (routing)
12 Troubleshooting
Event code 80220000 hex
Communica- Detection
tions Coupler timing
Unit
--- Log category
Not affected.
Name
---
Prevention
Reduce the number of times that
instructions are used to send NX
messages.
Reduce the number of times
instructions are used to send NX
messages.
Connect the communications
cable securely.
---
During
message
communications
System
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