描述
CPU模块主要由微处理器(CPU芯片)和存储器组成。在PLC控制系统中厂CPU模块相当于人的大脑，它不断地采集输入信号，执行用户程序，刷新系统的输出；存储器用来储存程序和数据。
输入(1nput)模块和输出(Output)模块简称为I／O模块，它们是系统的眼、耳、手、脚，是联系外部现场设备和CPU模块的桥梁。
Allen Bradley Power Interface SP-170952 SP170952 NEW
SQUARE D QMB-365W 400A 400 A AMP FUSIBLE BUSWAY SWITCH
LEADER DIGITAL STORAGE OSCILLOSCOPE LBO-5825 LBO5825
Reliance Electric 0-50075 050075 Board Card Control
AGV ZAHN Chopper Servo Amplifier CH10090F/180 5760 WATT
AGV CONTROL FOR LASER GUIDED VEHICLE OC-21
RELIANCE ELECTRIC O-48664-2 O486642 VLTG TRANSDUCTOR
ALLEN BRADLEY DRIVE BOARD 1336STG SER C 1336BDBSP29D
AGV ZAHN Chopper Servo Amplifier CH10090F/120
New HES Communication Module Board 222973
reman Reliance Drive Rectifier Stack 86466-7S 86466 7S
Damon / IEC Division UV Centrifuge Large Floor model
