Omron NX701-17 Series User Manual page 221

 Step 2: Checking for Errors in Trends in Master Diagnostic and Statistical
Information
Check for trends in the items in the acquired master diagnostic and statistical information to diag-
nose errors in the EtherCAT network.
Example of the Master Diagnosis/Statistics Tab Page of Sysmac Studio
If the value of the frame reception timeout count or number of CRC error frames received increases,
then the EtherCAT network is not operating normally.
If a certain number of the frame reception timeout count or a certain number of CRC error frames
received is detected, the EtherCAT network may not be operating normally.
If there is an error or possibility of an error in the EtherCAT network, find the error location by per-
forming Step 3: Finding Locations of Errors with Trends in Slave Diagnostic and Statistical Informa-
tion on page 9-52.
Additional Information
A certain number of the frame reception timeout count or a certain number of CRC error frames
received is also detected if a power OFF or disconnection occurs in an EtherCAT slave.
NJ/NX-series CPU Unit Built-in EtherCAT Port User's Manual (W505)
9 Troubleshooting
Increased.
Increased.
9-51
9