Wiring of SNA/B/C/Q, STD/Q, SQL type safety light curtain NPN/PNP type output sensors (emitters, receivers) and control units：

SND/E series safety light curtain NPN/PNP output wiring：

S4 series safety light curtain NPN/PNP output wiring：

SFA series safety light curtain NPN/PNP output wiring：

MC series safety light curtain NPN/PNP output wiring：

MC II series safety light curtain NPN/PNP output wiring：

SND/E series self-learning safety light curtain wiring：