This XPSLCM Safety control unit for muting function of type 2 and type 4 Safety Light Curtain provides integral LEDs, which offer a local Signaling for clearly display of device's status. Its B10D reliability data is 800 000. When associated and correctly connected to an appropriate safety control unit, it conforms to Category 4, performance level PL e, SILCL 3 as described in EN/ISO 13849-1, EN/IEC 62061. It is compatible with Through-beam photoelectric sensor dark-on operate (PNP), Polarized reflex photoelectric sensor, Reflex photoelectric sensor.