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。

Autronica KRC-1 Pcb Card

Autronica 7225-036.0002 KRR-1 Pcb Card

GUTOR ELECTRONICS 640-0731 REV.01 PCB FOR FAN SPEED CONTROL XXW 0P2441

PR ELECTRONICS 5202B PULSE ISOLATOR  

NOV 10984968-001 REPAIR KIT,1-1/2

BENDER IR420-D4-2 INSULATION MONITORING DEVICE  

DEIF EPN-110DN ELECTRONIC POTENTIOMETER

AUTRONICA BSS-310A POWER SUPPLY MODULE 02.06.50.117  

AUTRONICA BSL-310 COMMICATION MODULE 07.09.33.049  

AUTRONICA BSB-310 MONITORED OUTPUT MODULE 05.09.31.036  

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Bently Nevada 102046-50 Custom Proximitor

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FUJI ELECTRIC NP1S-42 POWER SUPPLY MODULE  

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Schneider Electric Twido TWDAMO1HT Expansion, Analog 1 Out, 0-10V, 4-20mA

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SYSTEM 999-05-1082/4 CTRL I/P(CON 5)'B'

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 ALLEN-BRADLEY 1769-OW8I SER.B REV.3 ISOLATED RELAY  

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Systron Projects Pte Ltd SPPL 002-00002 Alarm Card Rev-2

Valmet Automation A413152 BOU82 Binary Input Module

SIEMENS 6GK1 502-3CB10 SIMATIC NET PROFIBUS OLM/G12  

DANFOSS GBC 42s BALL VALVE 009G7028

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ABB DO524 DIGITAL OUTPUT MODULE 1SAP240700R000

SIEMENS TL-30U TIME LIMIT MODULE 580-121721-14 CERBERUS/PYROTRONICS

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AEG 8000025584 AE03 VOLTAGE CONV. RECEIVER  

DANFOSS SEMCO Y2017-K=1,19-45/80/100-P-XSW-TQ 1,2/10-P SEM-SAFE NOZZLE

SHINKAWA VM-21P1 SIGNAL CONDITIONER  

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Hill Hayes Company 0000-0083-01 Field Ok/Reverse Pcb Board

Rish Con-Hz TRMS Frequency Transducer

WAGO 750-463 4AI RTD/-30°C...150°C  

TELEMECANIQUE XPS-AF SAFETY RELAY  

FAB 40219771-001 REV.B PCB CARD

PELCO FR8101AMSTR 1CH DATA RECEIVER  

YOKOGAWA AAT145-S00 TC/mV INPUT MODULE  

YOKOGAWA SB401 BUS INTERFACE MODULE  

Brodersen UDM-20 Digital Panel Meter

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K713154 H05 Pcb Card

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EUCHNER SFM-B02 ENHANCED SAFETY MONITOR  

Deif RMV-112D Protective Voltage Relay 100060105.30

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GE FANUC IC693MDL740G OUTPUT MODULE  

GE FANUC IC693MDL740E OUTPUT MODULE  

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GE FANUC E157515 BASE 10 SLOT  

GE FANUC E157515 BASE 10-SLOT EXPANSION  

TERASAKI ESM-104 STARTER MODULE K/87Z/5-001C PCB CARD

PELCO FT8304MSTR 4CH VIDEO TRANSMITTER  

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ABB SYNPOL D CMA 133 TERMINAL BOARD DIESEL 3DDE 300 413  

Sulzer PS24 Power Supply 112.017.103.2

Sulzer EPM Power Monitor 112.017.213.2

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FESTO LR-1-D-MAXI PRESSURE REGULATOR 159627

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 · GIGABYTE

TELEMECANIQUE XBT N401 COMPACT DISPLAY ING

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CALECTRO CFA-230V FROST ALARM  

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Abb Synpol CMA 37 Pcb Card GVT3605798

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