IC693CPU331W IC693CPU331W
在低档PLC中，用Z80A做CPU较为广泛，Z80A用于PLC有如下长处： Z80（或Z80A）CPU及其配套的芯片便宜、遍及、通用，用这套芯片制成的PC，给维修及推广遍及带来方便。Z80有独立的输入/输出指令,并且指令款式较短，实行时间也较短，如许有利于扫描周期的收缩。Z80输入/输出指令款式较短，相应的输入/输出设置装备摆设编码也较短，以是相应的译码硬件器较简朴。由于Z80的信息是接纳输入/输出映射方法，因而计划流步伐时，对输入/输出与存储器寻址容易区别。
②用单片机作CPU
自从1974年出现单片机以来，已有不少产品接纳单片机做可编步伐控制器。日本三菱F系列PLC就接纳美PLCINTEL公司MES－48系列的单片机8049和8039做处置处罚器，8039单片机在一块电影上集成了8位的CPU，1288的数据存储器。27条输入/输出线，T0、T1、INT测试线及8位定时器/计数器，时钟振荡电路等。
自80年月以来，出现了集成度更高。功效更强，并带有“布尔机”而又便于作数据通讯的MCS-51系列单片机以及功效更高的16位单片机，大有代替MCS－48系列之势。日本三菱的F2系列PLC即接纳CPU8031。MCS－51系列单片机是美PLCINTEL公司在MCS－48单片机底子上，于80年月初推出的产品，具有高集成度、高可靠性、高功效、高速率、低代价等特点。它有三个代表产品：8051、8751和8031，它们分别有差别的应用特性。8051因此4K字节EPR0M代替4K字节的R0M的8051； 8031是内部无R0M8051。必须外接EPR0M；INTEL公司的96系列的单片机，字长为16，运算速率比51系列更高，这必将为高等次的PLC开辟和应用带来优美的远景。用单片机制成的PLC有以下明显特点：为机电设置装备摆设一体化创造了条件，由于由单片机制成PLC，体积更小。同时PLC逻辑功效很强，并且具有数值运算和通讯接口。
③用位片衰落处置处罚器作CPU
位片衰落处置处罚器的重要特点是：速率快、机动性强、服从高等特点。可以举行“级联”，易于“流水线”操纵。
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PureDigital Mass Flow Controller 6256, WF6, lots of 2
Chuck Leveling Equipment Ascent, 1550, with 4 dial indicators
UltraGlo vacuum general UV2-11 & UC2-31S01, N2
Unit Instruments URS-100-5, 5 chnnel MFC controller
Yaskawa SDGA-01AS SERVO AMPLIFIER, 1 Phase 2.5 AMPS,50/60 Hz 200-230 V
Pfeiffer TCP 015 Vacuum Turbopump Controller PM C01 598, looks NEW and clean
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Novellus 02-140949-00 REV C Main system start stop module
Intermec EasyCoder 3400
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Vision Biosystems S12-0288-110-A Blood/Sensor Valve Assembly
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NEW Lambda Power Supply Unit Alpha 1000W H11089 OEM BOX
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Asyst 4002-6446-01 Robot Wafer Mapper Dual Arm, 3200-1229-01 board, FRU, OPT
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Luxtron Model 100C Optical Fiber Temperature Control System S4S-B REV. 2.73
Datest MPM Motor Processor ASM # 9600920
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vacuum chamber Flange, Cryo Turbo, Gate valve interface
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AMAT 0040-03930 Blade, Universal Transfer
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