Applies to inductive and capacitive proximity switches that sense the presence of metallic and/or non-metallic objects, ultrasonic proximity switches that sense the presence of sound reflecting objects, photoelectric proximity switches that sense the presence of objects and non-mechanical magnetic proximity switches that sense the presence of objects in a magnetic field. This Standard is identical with and reproduced from IEC 60947-5-2:1997/Amd 1:1999.
