... NPN/PNP out, perfect compatibility 1.Basic introductionSNA2220 light curtain series, sensor section size is 53 ×35,structure compact,beautiful ... is simple, structure compact, the contour is artistic.(2)Light curtain form:Direct transmission type(3)Standard configuration:Emitter/ ... )Notes Notes *Identifies the parameters for the selected Infrared light sensor for guarding industrial automated machines