13 Troubleshooting
13 - 34
NX-series EtherCAT Coupler Unit User’s Manual (W519)
Event name Process Data WDT Error Event code 85000000 hex
Meaning Process data communications were stopped for more than the specified period of time.
Source EtherCAT Master Function Mod-
ule
Source details EtherCAT Cou-
pler Unit
Detection
timing
Continuously
Error
attributes
Level Minor fault Recovery Reset error in
EtherCAT Cou-
pler Unit.
Log category System
Effects
User program
Continues. Operation The Slave Terminal moves to Safe-Operational
state. Output refreshing for all of the NX Units in the
EtherCAT Slave Terminal stops.
Sys-
tem-defined
variables
Variable Data type Name
None --- ---
Cause and
correction
Assumed cause Correction Prevention
The EtherCAT communications
cable is disconnected or broken.
Connect the EtherCAT communi-
cations cable securely.
Connect the EtherCAT communi-
cations cable securely.
There is an error in the host con-
troller.
Check the operation of the host
controller and take appropriate
measures if there is a problem.
None
Attached
information
None
Precautions/
Remarks
None
Event name Synchronization Interruption Error Event code 85010000 hex
Meaning A synchronization interruption error occurred.
Source EtherCAT Master Function Mod-
ule
Source details EtherCAT Cou-
pler Unit
Detection
timing
Continuously
Error
attributes
Level Minor fault Recovery Reset error in
EtherCAT Cou-
pler Unit.
Log category System
Effects
User program
Continues. Operation The Slave Terminal moves to Safe-Operational
state. Output refreshing for all of the NX Units in the
EtherCAT Slave Terminal stops.
Sys-
tem-defined
variables
Variable Data type Name
None --- ---
Cause and
correction
Assumed cause Correction Prevention
The EtherCAT communications
cable is disconnected or broken.
Connect the EtherCAT communi-
cations cable securely.
Connect the EtherCAT communi-
cations cable securely.
There is a synchronization setting
error in the EtherCAT Coupler
Unit.
Set the synchronization fre-
quency to the shortest synchroni-
zation time in the EtherCAT
Coupler Unit or higher.
Set the synchronization fre-
quency to the shortest synchroni-
zation time in the EtherCAT
Coupler Unit or higher.
There is a hardware error in the
EtherCAT Coupler Unit.
If the error occurs again even after
you make the above correction,
replace the EtherCAT Coupler
Unit.
None
Attached
information
None
Precautions/
Remarks
None