Error Notification Methods - Omron NX-ECC201 User Manual

13-5 Error Notification Methods

The EtherCAT Slave terminal uses the following methods to notify the Controller or EtherCAT master
that errors have occurred.
Slave Terminal
Type of error notification
Sysmac error status
Emergency message
AL status
NX-series EtherCAT Coupler Unit User's Manual (W519)
EtherCAT master
Notification to the master
Error occurs.
This status reports errors that are
detected in the application section.
The emergency message reports
application level errors.
The error code contains the
CiA-defined error code, and an
additional error code in the unique
header area.
This status reports errors related to
EtherCAT communications.
The ETG-defined method is used
for the error detection and error
code.
Sysmac error status
Emergency message
AL status
Overview
13 Troubleshooting
Error log
Notification method
The status is assigned to the
TxPDO and notified cyclically to the
master.
When an error occurs, the slave
notifies the EtherCAT master.
When an error occurs, the error is
written to the AL status register to
notify the EtherCAT master.
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