13 Troubleshooting
13 - 8
NX-series EtherCAT Coupler Unit User’s Manual (W519)
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Synchronization
Interruption Error
Check the following items, and
then reset the error in the Ether-
CAT Coupler Unit.
Items Related to the Communica-
tions Cable
• Make sure that the communica-
tions cable is wired properly.
• Make sure that there are no
breaks in the communications
cable or loosening in the mating
parts.
• Make sure that the cable is of
the appropriate length.
• Make sure that the communica-
tions cable meets the recom-
mended specifications.
Items Related to the Synchroniza-
tion Settings
• Make sure that the synchroniza-
tion settings for the EtherCAT
Coupler Unit are equal or longer
than the minimum time for syn-
chronizing the EtherCAT Cou-
pler Unit.
If the error occurs again even after
you make the above correction,
the Communications Coupler Unit
may have a hardware failure. In
that case, replace the EtherCAT
Coupler Unit.
Synchronization
Error
Same as above.
UNIT
PWR
[green]
L/A IN
L/A OUT
[green]
RUN
[green]
ERR
[red]
TS
Cause Corrective action
Green Red
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