Module. Replacement/extension sensor module for installation in the DoorScan?? and TopScan sensor profile, multifunction interface module. Sensor module for configurable DoorScan?? presence sensor. Conversion of semiconductor signals to relay output signals. Tool-free module mounting using snap-in mechanism. Up to 5 sensor modules can be connected. Auto-saving function. Automatic or incremental teach. Differentiate degrees of luminescent contrast. Suitable for operation in Zone 1, Zone 2, Zone 21 and Zone 22. Very large clamping range due to double sealing insert. Full impact resistance of 7 J according to IEC/EN 60079-0 for the full range without limitations