P0923ZJ FOXBORO

6DD1661-0AD1
ECS086329-003
3500/42-01-00
8851-LC-MT
1398-DDM-030
369-HI-R-M-0-E-0
1756-L71
3HAC025338-006
IC695CRU320
X20CP1486
3IP161.60-1
3HAC025338-006
CC-PDIL51

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描述

外接触点接通或图中的NPN型晶体管饱和导通时,电流经24V电源的正极(24V端子)、S/S端子、内部电路、X0等输入端子和外部的触点或晶体管,从0V端子流回24V电源的负极,使光耦合器中两个反芳联的发光二极管中的一个亮,光敏三极管饱和导通,CPU在输入阶段读入的是数字1;外接触点断开或.NPN晶体管处于截止状态时,光耦合器中的发光二极管熄灭,光敏三极管截止,CPU在输入阶段读入的是数字0。

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