福建中立恒自动化设备有限公司

一、摘要 PLC是一种专门在工业环境下应用而设计的数字运算操作的电子装置。

它采用可以编制程序的存储器，用来在其内部存储执行逻辑运算、顺序运算、计时、计数和算术运算等操作的指令，并能通过数字式或模拟式的输入和输出，控制各种类型的机械或生产过程。PLC及其有关的外围设备都应按照易于与工业控制系统形成一个整体，易于扩展其功能的原则而设计。在工业生产的各个领域，机械加工企业为了提高生产效率，采用机械化流水作业的方式，对不同类型的零件分别组成的自动生产线。随着产品机型的更新换代，生产线承担的加工对象也随之改变，这就需要改变控制程序，使生产线的机械设备按新的工艺过程运行，而继电接触器控制器系统是采用固定接线，很难适应这个要求。大型自动生产线的控制系统使用的继电器数量很多，随着PLC的应用日益普及,其使用方法简单,便于掌握,且可靠性,抗干扰性很强,自身具有完善的功能.模块化的结构,使其在工业生产线上的应用越来越广泛。

　　发展趋势：1.向高速度、大容量方向发展

　　为了提高PLC的处理能力，要求PLC具有的响应速度和更大的存储容量。目前，有的PLC的扫描速度可达0.1ms/k步左右。PLC的扫描速度已成为很重要的一个性能指标。

　　在存储容量方面，有的PLC可达几十兆字节。为了扩大存储容量，有的公司已使用了磁泡存储器或硬盘。

　　2.向超大型、超小型两个方向发展

　　当前中小型PLC比较多，为了适应市场的多种需要，今后PLC要向多品种方向发展，特别是向超大型和超小型两个方向发展。现已有I/O点数达14336点的超大型PLC，其使用32位微处理器，多CPU并行工作和大容量存储器，功能强。

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344-0502// AMAT APPLIED 0090-36210 ELECTR ASSY. DTC UPR LID SW N.

346-0302 AMAT APPLIED 3480-01020 MOT LVL FEET 1/2-13 W/JAM NUT STL ZINC

142-0601 AMAT APPLIED 0140-10198 HARNESS ASSY,INTCON,TURBO CNTRL/PCB,2.5

342-0202// AMAT APPLIED 0020-39746 PLATE,BASE,H.O.T.,PACK,5200

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327-0401// AMAT APPLIED 0020-07429 APPLIED MATRIALS COMPONENTS

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438-0401// ORIENTAL MOTOR CB2015 3B05 MOTOR

344-0201 AMAT APPLIED 0020-09433 PLUG, CONN

442-0401// ORIENTAL MOTOR ASM66AA MOTOR

444-0102// ORIENTAL MOTOR PH266-01GK MOTOR

444-0202// ORIENTAL MOTOR PH564-A MOTOR

444-0202// ORIENTAL MOTOR PH566-A MOTOR

444-0202// ORIENTAL MOTOR PH566-B MOTOR

402-0102// ANYUIRE AT2 AT4 SENSOR

402-0102// KEYENCE FS-T20 SENSOR

402-0102// KEYENCE FU-37 SENSOR

402-0102// KEYENCE FU-95 SENSOR

402-0102// KEYENCE PS-55R PS-55T SENSOR

402-0102// OMRON E2F-X5E1 SENSOR

141-0602// AMAT APPLIED 0140-09064 HARNESS HELIUM PRESSURE SENSIT

342-0503// AMAT APPLIED 0020-10657 BRACKET,ROBOT FEED-THRU INTERF

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319-0301// AMAT APPLIED 0190-18144 ETO RF GEN FILTER ASM, ULTIMA

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178-0202// WESTINGHOUSE NE-8764 1POLE 50A CIRCUIT BREAKER

178-0202// SQUARE D YF-6731 1POLE 20A 22K CIRCUIT BREAKER

178-0202// SQUARE D YF-6881 1POLE 20A 22K CIRCUIT BREAKER

402-0102// OMRON E3S-DS10E4 SENSOR

402-0102// OMRON E3V-R2C43S SENSOR

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402-0102// OPTEX OPX-K SENSOR

402-0102// SMC D-C73C SENSOR

402-0102// SMC D-Z73 SENSOR

402-0102// SNX CX-411D SENSOR

402-0102// SX CX-421 SENSOR

402-0102// SX CX-D800 SENSOR

402-0102// SX EX-44 SENSOR

402-0102// SX FX-11 SENSOR

 1/2MPT SST

402-0102// SX FX-7 SENSOR

402-0102// SX FX-D1J SENSOR

402-0102// SX GL-18HL SENSOR

402-0102// SX PM-L24 SENSOR

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402-0102// TYK RS-1000F SENSOR

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141-0602// AMAT APPLIED 0150-35838 CABLE,OVERTEMP SWITCH,DXZ

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347-0201// AMAT APPLIED 0020-23098 REFLECTOR,RIGHT, A.L.L. CASSETTE SENSOR

347-0201 AMAT APPLIED 0020-23109 REFLECTOR, LEFT, A.L.L. CASSETTE SENSOR

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402-0201// OMRON D40B-J2 CONTROLLER

402-0201// OMRON G3PA-210B-VD SOLID STATE RELAY

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402-0201// OMRON G9S-301 SAFETY RRELAY IT

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402-0201// OMRON G9SA-501 SAFETY RELAY IT

402-0201// OMRON S8T-DCBU-02 BUFFER BLOCK

176-0202// SMC AR20-02BG REGULATOR

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324-0201// AMAT APPLIED 0020-81968 INSULATOR

141-0501// AMAT APPLIED 0150-22689 C/A SRC RETURN  WATER BLOCK

141-0501// AMAT APPLIED 0150-35506 ASSY,CABLE,THERMOCOUPLE MALE-M

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405-0302// SANKYO MSEDC14Q01 MOTOR

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176-0302// KING GPM-LIQUID-SP.GR.1.0 RAD TOP DOR FLOAT

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176-0203 SMC AR10-M5GH-Z-X406-X34US40-60 REGULATOR

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406-0102// OMRON MY2V TIMER

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406-0301// COPAL PG-30-103R-N CONTROLLER

406-0301// COPAL PS30-103R-N CONTROLLER

406-0301// SMC ISE40-01-22L-M CONTROLLER

406-0301// SMC ZSE30-01-65-M CONTROLLER

406-0301// SMC ZSE4-01-25 CONTROLLER

406-0301// SX DP-M2Z CONTROLLER

406-0301// SX DPX-210B CONTOLLER

406-0301// SX DPX-800 CONTROLLER

350-0402// AMAT APPLIED 0020-10069 TUBE RECEPTACLE LIGHT PEN