Omron CJ2-CPU User Manual

12 - 27
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
 Error Descriptions
Event name Bus Controller Error Event code 00210000 hex
Meaning An internal bus error occurred.
Source EtherNet/IP Source details EtherNet/IP
Coupler Unit
Detection
timing
When power is
turned ON to
the EtherNet/IP
Coupler Unit or
during NX bus
communica-
tions
Error
attributes
Level Minor fault Recovery Cycle the power
supply to the
EtherNet/IP
Coupler Unit
Log category System
Effects User program Continues. Operation I/O refreshing for the NX Units in the Slave Terminal
stops.
Sys-
tem-defined
variables
Variable Data type Name
None --- ---
Cause and
correction
Assumed cause Correction Prevention
A Unit failed or an I/O communica-
tions error occurred between the
Communication Coupler Unit and
the NX Unit.
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.
None
Attached
information
None
Precautions/
Remarks
None

Omron CJ2-CPU Specifications

General

Brand	Omron
Model	CJ2-CPU
Category	Controller
Language	English