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 Startup Error Event code 84C50000 hex
Meaning Starting an NX Unit failed.
Source Build-in Ethernet port Source details Communica-
tions Coupler
Unit
Detection
timing
When power is
turned ON to
the Communi-
cations Cou-
pler Unit, the IO
Device Termi-
nal is restarted,
or an error is
reset in the
Communica-
tions Coupler
Unit
Error
attributes
Level Minor fault Recovery Cycle power to
the Communi-
cations Cou-
pler Unit or
restart the IO
Device Termi-
nal.
Log category System
Effects User program Continues. Operation When Fail-soft Operation Is Set to Fail-soft
• Communications Coupler Unit, NX Bus
IO refreshing for all of the NX Units that have a
startup error in the IO Device Terminal stops.
Messages cannot be sent to the NX Units that
have an initialization error in the IO Device Termi-
nal.
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.
Messages cannot be sent to the NX Units that
have a startup error in the IO Device Terminal.
Sys-
tem-defined
variables
Variable Data type Name
None --- ---
Cause and
correction
Assumed cause Correction Prevention
A startup error occurred in an NX
Unit.
Cycle the power supply to the
Communication Coupler Unit. If
this error occurs again even after
you cycle the power supply,
replace the NX Unit.
None
Attached
information
Attached information 1: Slot number of the NX Unit where the error occurred
Precautions/
Remarks
None