For the control outputs of a 2-pipe application, either On/Off or 3-position can be set via DIP switches or via Modbus commissioning tool (see section 3.4). Other applications, e.g. 4-pipe and 2-pipe with electric heater, only have On/Off type of outputs.
Plant type
The application and control output can be changed between On/Off and 3-position via Modbus.