描述
PNP型晶体管饱和导通时，电流经24V电源的正极(24V端子)、外部的触点或晶体管、X0等输入端子、内部电路和S/S端子，从0V端子流回24V电源的负极，使光耦合器中的发光二极管亮，光敏三极管饱和导通。
ABB 3HAC17396-1 SERIAL MEASURMENT BOARD
ABB 3HAC4296-1 DSQC505 COMPUTER POWER SUPPLY
ABB 3HNE00001-1 NETWORK I/O CARD DSQC336
ABB 3HNE00010-1 CONTROLLER
ABB 3HNE00025-1 DSQC350 REMOTE I/O MODULE
ABB 3HNE00239-1 PC BOARD
ABB 3HNE00312-1 ROBOTIC TEACH PENDANT S4 W/O BACKLITE
ABB 3HNE00313-1 ROBOTIC TEACH PENDANT S4C W/BACKLITE
ABB 48990001-FK S2 DSSR116 REGULATOR UNIT
