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。
Toyo Seiki CNC Machine Tool Presetter 40/45/50 Taper NR
Eberbach 8017 Explosion-Proof Laboratory Blender Mixer
ETS Lindgren T/T RF EMI Shielded Chamber/Enclosure
Palamatic Vacuum Hoist Lifting Tube Lifter +Blower Pump
NEW Vickers TK14VP-V45F Hydraulic Power Pack Pump 5HP
Brueninghaus Hydraulic Powered High Pressure Water Pump
NEW Hoffman/McLean CR43-0616 AC Air Conditioner 115VAC
New Primatics PDR110 Direct Drive Rotary Stage 110mm
ESEC 2005 LOC Automatic Epoxy Die Bonder 2005LOC D-711
Hobart UWS Ultima Wrapping System Meat Weigh/Seal/Label
