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12 Troubleshooting
NX-series EtherNet/IP Coupler Unit User’s Manual (W536)
12-3 Checking for Errors and Troubleshooting with Support Soft-
ware
12
12-3-5 Event Codes for Errors and Troubleshooting Procedures
Event name Unit Configuration Error, Unsupported Configuration Event code 24A10000 hex
Meaning An unsupported NX Unit is mounted. Or, the total byte size of all I/O data for the connected NX Units
exceeds the predetermined maximum value for the Communication Coupler Unit.
Source EtherNet/IP Source details EtherNet/IP
Coupler Unit
Detection
timing
When power is
turned ON to
the EtherNet/IP
Coupler Unit or
the Slave Ter-
minal is
restarted
Error
attributes
Level Minor fault Recovery Cycle power to
the EtherNet/IP
Coupler Unit or
restart the
Slave Terminal.
Log category System
Effects
User program
Continues. Operation • EtherNet/IP Coupler Unit, EtherNet/IP Communi-
cations
Ethernet communication stops.
• EtherNet/IP Coupler Unit, NX Bus
I/O refreshing for the NX Units in the Slave Termi-
nal stops.
Messages cannot be sent to the NX Units in the
Slave Terminal.
Sys-
tem-defined
variables
Variable Data type Name
None --- ---
Cause and
correction
Assumed cause Correction Prevention
An unsupported NX Unit was
detected.
Remove the unsupported NX Unit
or replace it with a supported NX
Unit.
Connect only supported NX Units
to the Communication Coupler
Unit.
The total byte size of all I/O data
for the connected NX Units
exceeds the predetermined maxi-
mum value for the Communica-
tions Coupler Unit.
Configure the NX Units so that the
total byte size of all I/O for the
connected NX Units does not
exceed the predetermined maxi-
mum value for the Communica-
tions Coupler Unit.
Configure the NX Units so that the
total byte size of all I/O for the
connected NX Units does not
exceed the predetermined maxi-
mum value for the Communica-
tions Coupler Unit.
Attached
information
Attached information 1: Unit number of the NX Unit where the error was detected
Precautions/
Remarks
None