描述
外接触点接通，或图中的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。
CONTEC PO-64L PCI H NO.7215 DIGITAL OUTPUT LOT OF 4
CONTEC AD12-16 PCI NO.7150 ANALOG DAGITDAL BOARD
HARMONIC DRIVE SYSTEMS RM-8-50-PM-SP2,PX243,RD-021M8
MITSUBISHI PLC MELSEC FX2-48MR AUTOMATION PLC PARTS #2
MITSUBISHI PLC MELSEC FX2-48MR AUTOMATION PLC PARTS #1
LIGHTHOUSE INTELLIGENT DIFFERENTIAL PRESSURE CONTROLLER
INTERFACE AZI-1101a BOARD p9605235
FANUC A05B-2440-C100
VAT VACUUM GATE VALVE 01234-KA24-001/0041 A-497266
TOKYO ELCTRON LIMITED TEL TVB6004-1 QMC3 AXIS BOARD
