Digital input	suitable for	Level 0 „LOW“		Transition		Level 1 „HIGH“
		U [V]	I [mA]	U [V]	I [mA]	U [V]	I [mA]
Type 1	3-wire sensors, mechanical switching contacts	-3/15 (5)	nd/15	5/15	0.5/15	15/30	2/15
Type 2	2-wire sensors, semiconductor technology	-3/11 (5)	0...2/30	5/11	2/30	11/30	6/30
Type 3	2-/3-wire sensors, reduced power consumption	-3/11 (5)	0...1.5/15	5/11	1.5/15	11/30	2/15
		given in min/max

详见附件中的文档

DigitalInputs 2- or 3- wire sensors.pdf