# 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.

Relevant Information

- Adding an accessory to a Virtual Station
- Unassigning an Accessory from a Virtual Station