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2-11

2 Error Troubleshooting Methods

NJ-series Troubleshooting Manual (W503)

2-3 Troubleshooting Non-fatal Errors

2-3-3 Identifying and Resetting Errors from the User Program

In order to reset the Controller errors, it is necessary to confirm your rights according to the operation

authority settings for the Troubleshooter. Refer to the NS-series Programmable Terminals Programming

Manual (Cat. No. V073) for details on the operation authority.

In an NJ-series Controller, you can check for errors that have occurred from the user program. This fea-

ture allows you to program operations in the user program according to the error status. Special instruc-

tions are provided for this purpose. These include instructions to get Controller error information and

instructions to reset Controller errors.

Determine the error status with the instruction to get error information that is provided for each function

module. The following table lists the instruction that are used to get error information for each function

module.

Refer to the NJ-series Instructions Reference Manual (Cat. No. W502) for details on these instructions.

2-3-3 Identifying and Resetting Errors from the User Program

Instructions That Get Controller Error Information

Instruction name Instruction Function

Get PLC Controller Error Status GetPLCError Gets the status and the event code of the error with the

highest level of the Controller errors in the PLC Function

Module.

Get I/O Bus Error Status GetCJBError Gets the status and the event code of the error with the

highest level of the Controller errors in the I/O bus.

Get Motion Control Error Status GetMCError Gets the status and the event code of the error with the

highest level of the Controller errors in the Motion Control

Function Module.

Get EtherCAT Error Status GetECError Gets the status and the event code of the error with the

highest level of the communications port errors and mas-

ter errors detected by the EtherCAT Master Function Mod-

ule.

Get EtherNet/IP Error Status GetEIPError Gets the status and the event code of the error with the

highest level of the Controller errors in the EtherNet/IP

Function Module.

Omron NJ Series Troubleshooting Manual

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