11   Expansion Unit
11 - 4
GX-series EtherCAT Slave Unit User’s Manual
11-2 Specifications of Expansion Unit
The chart below shows the Expansion Unit specifications, component names and functions, internal 
circuits and wiring diagram.
Refer to the following corresponding page to each model.
Model
Reference page
Specification
Names and 
functions
Internal 
circuits 
diagram
Wiring 
diagram
XWT-ID08
XWT-ID08-1
11-5 11-5 11-6 11-7
XWT-OD08
XWT-OD08-1
11-8 11-8 11-9 11-10
XWT-ID16
XWT-ID16-1
11-11 11-12 11-13 11-14
XWT-OD16
XWT-OD16-1
11-15 11-16 11-17 11-18