I/O Expander
The I/O expander is connected to the I/O bus and provides an extension to connect digital input and output signals. Multiple expanders can be connected. Read the I/O expander documentation for address configuration and specifications of connections.
The following device types can be selected:
I/O Hub: 8 channels
I/O Expander: 16 channels
How to assign an accessory configuration to a Virtual Station is described in the Virtual Station 
section.
