Omron PROFINET NX-PNC202, User Manual

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12 Troubleshooting
NX-series PROFINET Coupler Unit User’s Manual (W623)
12-3 Checking for Errors and T
roubleshooting with Sysm
ac Studio
12
12-3-4 Event Codes for Errors and
Troubleshooting Procedures
Event name NX Unit Communications Timeout Event code 84C00000 hex
Meaning An error occurred in IO data communications with the NX Units.
Source Build-in Ethernet port Source details Communica-
tions Coupler
Unit
Detection
timing
Continuously
Error
attributes
Level Minor fault Recovery Reset error in
Communica-
tions Coupler
Unit.
Log category System log
Effects User program Continues. Operation When Fail-soft Operation Is Set to Fail-soft
Not affected.
When Fail-soft Operation Is Set to Stop
• Communications Coupler Unit, PROFINET Com-
munications
Ethernet communication stops.
• Communications Coupler Unit, NX Bus
IO refreshing for the NX Units in the IO Device Ter-
minal stops.
Sys-
tem-defined
variables
Variable Data type Name
None --- ---
Cause and
correction
Assumed cause Correction Prevention
An NX Unit is not mounted prop-
erly.
Mount the NX Units and End
Cover securely and secure them
with End Plates.
Mount the NX Units and End
Cover securely and secure them
with End Plates.
An NX Unit has failed. If the error occurs again even after
you make the above correction,
replace the NX Unit.
None
Attached
information
Attached information 1: Unit number of the NX Unit where the error was detected
Precautions/
Remarks
None