... NPN/PNP out, perfect compatibility 1.Basic introductionSNA2220 light curtain series, sensor section size is 53 ×35,structure compact,beautiful ... type, outside installation,control 1 set light curtain,the power source is AC220V/110V(switch conversion) or DC24V; controller cable is ... Notes Notes *Identifies the parameters for the selected Infrared light sensor for guarding industrial automated machines