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，CPU模块相当于人的大脑和心脏，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。S7-300/400将CPU模块简称为CPU。输入(Input)模块和输出(Output)模块简称为I/O模块，开关量输入、开关量输出模块简称为DI模块和DO模块，模拟量输入、模拟量输出模块简称为AI模块和AO模块，它们统称为信号模块。信号模块是系统的眼、耳、手、脚，是联系外部现场设备和CPU模块的桥梁。
Banner ES-TA-3D1 Six Input Emerg Stop Safety Relay-NEW
Square D 8538 AC Combination Motor Starter – NEW
Modicon TSX Quantum DC IN/OUT 24V – 140 DDM 390 00
Siemens 6EP1 436-2BA00 SETOP Power 20 Power Supply
Allen Bradley 1756-L1M1 Control Logix Processor – NEW
Siemens 6SL3210-1SB14-0UA0 Sinamics Power Mod 340-NEW
Nachi MSM302Q4V1 Torque AC Servo Motor
Schneider TSX Momentum I/O Base 170ADO35000 – NEW
Mitsubishi NF225-CP125AMP 2Pole No Fuse Circuit Breaker
Indramat Sercos Interface Module Card – DSS 1.3
Sola Electric GS 63-23-210-8 Computer Regulator
Mitsubishi MELSEC A0J2HCPU Programmable Controller
Banner PPCAM PresencePLUS Pro Camera – NEW
Texas Instruments 305-02B Series Rack with Power Supply
Uticor Program Controller – 180MC-1P008E
Schneider TSX Momentum I/O Base 170ADO35000 – NEW
Cutler Hammer 1248 Modbus Plus Interface 87-02042-02
