﻿Depending on the ETS parameterisation in the application for switches, push-buttons or contacts, the inputs 1 and 2 either act internally on the outputs or alternatively also separately on the KNX. Input 3 always acts on the KNX if required.
This parameter defines the use of the inputs.

*Parameter activated*: Inputs 1 and 2 act internally directly on the outputs of the device, depending on the configured mode of operation. The inputs then do not have their own parameters in the application program. Input 3 acts separately on the KNX, independently of the relay outputs and the other inputs.

*Parameter deactivated*: The three inputs of the device act independently of the outputs and separately from each other on the KNX.
