... PNP out, perfect compatibility 1.Basic introductionSNA2220 light curtain series, sensor section size is 53 ×35,structure compact ... garage, and other dangerous area's protection.SNA 2220 series,direct transmission type, protective height 420 mm,protective range ... should be made on order;5. Application examples6.SNA series photoelectric protection device order instructions ontrollerN-type (built-in ...