P0400QK – FOXBORO 输入输出接口电路

ABB 5761789-6H
Triconex通讯卡件4211
499ATRDO
HPE700018 M12 10.02
DSQC 697 3HAC037084-001
EBE Handrad CESI 100 5VDC
4809-436-096
E4809-045-194-A
E642B-MGB-K-01
E642B-MGB-K-01

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描述

CPU作为整个PLC的核心,起着总指挥的作用。CPU一般由控制电路、运算器和寄存器组成。这些电路通常都被封装在一个集成电路的芯片上。CPU通过地址总线、数据总线、控制总线与存储单元、输入输出接口电路连接。CPU的功能有以下一些:从存储器中读取指令,执行指令,取下一条指令,处理中断。

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