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2   EtherCAT Slave Unit
GX-series EtherCAT Slave Unit User’s Manual
2-2  Types of EtherCAT Slave Units
2
2-2-1  Slave Units List
IO-Link Master Unit
Type Appearance Number of ports Model Features
GX-type 
IO-Link 
Master Unit
8 GX-ILM08C High environmental 
resistance (IP67)
Expansion Unit
Type Appearance I/O points Model Features
Models with 
2-tier 
terminal 
block
8 inputs (NPN) XWT-ID08 • Can be connected to 
the following Digital I/O 
Slave Unit 
GX-ID1611/ID1621/O
D1611/OD1621/OC16
01
• Can connect only 1 
Expansion Unit per 
Slave Unit
8 inputs (PNP) XWT-ID08-1
8 outputs (NPN) XWT-OD08
8 outputs (PNP) XWT-OD08-1
16 inputs (NPN) XWT-ID16
16 inputs (PNP) XWT-ID16-1
16 outputs (NPN) XWT-OD16
16 outputs (PNP) XWT-OD16-1