• The WCI-3928 Contact Input unit can receive contact closures to signal either output addresses or group codes.

• The WCI-3928 unit has 8 contact inputs that can each be targeted to an output address (individual control) or a group code (group control).

• To assign an address or code number, use the WIR-3110 actuator setting unit.

• The WCI-3928 unit is specially designed for interfacing 24V occupancy sensors to the Dialog system. It has a 24VDC power supply and accepts 24VDC contact inputs.

• The WCI-3928 is connected to both the data signal and 24VAC.