Photoelektrische, optische Mehrwegsicherheitsvorrichtung

摘要

A multi-optical-path photoelectric safety apparatus is provided that has a light emitting unit 13, a light receiving unit 14 and a control unit for controlling each optical path. A light block substance sensing function for a multi-optical-path light curtain is also provided to sense an object between the light emitting unit and the light receiving unit. A muting area setting unit is also provided that can be taught how to set an area for exerting a muting function. The muting function can be provided only in a partial area of the light curtain by using the muting area setting unit.