Omron PROFINET NX-PNC202 User Manual page 239

 Error Descriptions
Event name Bus Controller Error
Meaning An internal bus error occurred.
Source
Build-in Ethernet port
Error Level
attributes
Effects User program
Sys- Variable
tem-defined
None
variables
Cause and Assumed cause
correction
A Unit failed or an IO communica-
tions error occurred between the
Communication Coupler Unit and
the NX Unit.
Attached None
information
Precautions/ None
Remarks
NX-series PROFINET Coupler Unit User's Manual (W623)
Source details
Minor fault Recovery
Operation
Continues.
Data type
---
Correction
Mount the NX Units and End
Cover securely and secure them
with End Plates.
Cycle the power supply to the
Communication Coupler Unit.
If the error occurs again even after
you make the above correction,
replace the Communication Cou-
pler Unit.
12 Troubleshooting
Event code 00210000 hex
Detection
Communica-
timing
tions Coupler
Unit
Cycle the power Log category
supply to the
Communica-
tions Coupler
Unit
IO refreshing for the NX Units in the IO Device Ter-
minal stops.
Name
---
Prevention
None
When power is
turned ON to
the Communi-
cations Cou-
pler Unit or
during NX bus
communica-
tions
System
12
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