Omron NX701-17 Series User Manual page 195

Event name Network Configuration Error
Meaning The EtherCAT network configuration is incorrect.
Source EtherCAT Master Function Module
Error attributes Level
Effects User program
Indicators EtherCAT NET RUN
---
System-defined Variable
variables
_EC_NetTopologyErr
Cause and Assumed cause
correction
Slave output ports are connected to
each other.
The master and slave are connected
with the slave output port.
The number of connected slaves
exceeded the maximum number of
slaves for the EtherCAT master.
NJ/NX-series CPU Unit Built-in EtherCAT Port User's Manual (W505)
Source details
Minor fault Recovery
Continues. Operation
EtherCAT NET ERR
Flashes at 1-s intervals.
Data type
BOOL
Correction
Correct the Ethernet cable connec-
tions.
Disconnect unnecessary slaves and
keep the number below the maximum
number.
9 Troubleshooting
Event code 84210000 hex
Master Detection
timing
Error reset Log category
Refer to Precautions/Remarks.
EtherCAT LINK/ACT
---
Name
Network Configuration Error
Prevention
Confirm that there are no incorrect
Ethernet cable connections.
Confirm that no more than the maxi-
mum number of slaves are connected
to the EtherCAT network.
At power ON, at
Controller reset,
or during commu-
nications
System
9
9-25