... response ability 1.Basic introductionSNA2220 infrared light currtain series, sensor section size is 53 ×35,structure compact,beautiful ... 110V(switch conversion) or DC24V; controller cable is equipped with standard length: N type 1.0m ,W type ... 2.5m(5)It can provide NPN ,PNP output, at this time, we should guarantee the follow-up ... on order; area light curtains(emitter and receiver) with PNP output