Toshiba VF-S9 manual Sink logic negative common/source logic positive common

E6580757

■Sink logic (negative common)/source logic (positive common)

logic switching of input output terminals

Current flowing out turns control input terminals on. These are called sink logic terminals (The end of Type - form : AN / WN). The general used method in Europe is source logic in which current flowing into the in- put terminal turns it on(The end of Type - form : WP).

Sink logic Source logic

2		Input	Common	Input
		Output
			Output
		Common
		Output		Output
		Input
			Input
		Common
			Common
	Programmable	Inverter
	controller	Programmable		Inverter
		controller

B-10