Omron GX-AD0471, User Manual, Page: 286 / 394

12 Troubleshooting and Maintenance
12 - 6 GX-series EtherCAT Slave Unit User’s Manual
* Due to the EtherCAT specification, a communication timeout does not occur with those Slave Units that only
handle input data.
The GX-series Slaves that have only input data are listed below.
•
GX-AD0471
•
GX-ID1611
•
GX-XWT-ID08
•
GX-XWT-ID16
•
GX-XWT-ID08-1
•
GX-XWT-ID16-1
•
GX-ID1621
•
GX-XWT-ID08
•
GX-XWT-ID16
•
GX-XWT-ID08-1
•
GX-XWT-ID16-1
•
GX-ID1612
•
GX-ID1622
•
GX-ID1618
•
GX-ID1628
•
GX-ID3218
•
GX-ID3228
 Errors of Encoder Input Slave Unit
On
−
SF
−
Safe-
Operational
state
It is commanded
from the EtherCAT
Master Unit to shift
to the
Safe-Operational
state.
If the trouble occurred
during operating the
system, check the state
of the connected
EtherCAT Master Unit.
On
−
B
−
Pre-
Operational
state
It is commanded
from the EtherCAT
Master Unit to shift
to the
Pre-Operational
state.
On
−
Off
−
Init state
It is commanded
from the EtherCAT
Master Unit to shift
to the Init state.
[PWR]
indicator
[L/A IN]
[L/A OUT]
LED
[RUN]
indicator
[ERR]
indicator
Description Actions
On
−
B B
Synchronization
frequency (Sync0
frequency) setting error
After checking the following items,
restart the Slave Unit according to
the specification of connected
EtherCAT Master Unit.
•
Set the correct synchronization
frequency.
[PWR]
indicator
[L/A IN]
[L/A OUT]
LED
[RUN]
indicator
[ERR]
indicator
Description Cause Actions