Omron GX-AD0471, User Manual, Page: 263 / 394

11 - 3
11 Expansion Unit
GX-series EtherCAT Slave Unit User’s Manual
11-1 Overview of
th
e Expan
sion
Uni
t
11
11-1-2
I/O Pow
er Supply
The I/O power supply method when an Expansion Unit is connected differs in cases. In some cases I/O
power can be supplied only to Slave Unit.
In the other cases, it must be supplied to both the Slave Unit and the Expansion Unit.
These differences depend on the I/O combination. Refer to the following table for the correct supply.
11-1-2 I/O Power Supply
Expansion Unit
Slave Unit
Input Output
XWT-ID08(-1) XWT-ID16(-1) XWT-OD08(-1) XWT-OD16(-1)
Input
GX-ID1611 Power is supplied only to the Slave Unit.
Power supply to the Expansion Unit is not
required.
Power is supplied to both the Slave Unit
and Expansion Unit.
GX-ID1621
Output
GX-OD1611
Power is supplied to both the Slave Unit
and Expansion Unit. Power is supplied to both the Slave Unit
and Expansion Unit.
GX-OD1621
GX-OC1601