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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Reer Vision MXL Emitter Receiver Model MXL L SEE
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Powerex T820129004HJ Thyristor
Schneider TSX3721101 TSX Micro Module
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Sick KT5W-2P1123 Sensor
Metso D200535 Ver.20 BOU8 Board
Valmet A413150 Ver.14 BOU8 Board
Valmet PG5 N4 MG2S LEV-EL Pressure Transmitter
Perceptron A1012-A Battery Charger
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Ziehl-Abegg EQR 8/38/4 Fan it
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Modicon PC-0984-385 Programmable Controller
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Valmet A413082 Ver03 CPU
Schleicher DZA 52 L Timer Module
Tecsec IRPSU1 105VA Power Supply it
Crosfield Electronics 7607-2420 Interface it
Muller Martini 4230.0062 Photoelectric Sensor
Sauer Sdstrand TFP100/1.7D-C102/0D Gear Pump
BR Z081 ECZ081 Multi Control
Euchner GSBF08 R12-502 Limit Switch
Zentro-Elektrik 8062 Power Supply
Weidmuller Pro-M 8951360000
Fuji FVR.C9S FVR0.75C9S-7EN Inverter
Omron CJ1G CPU42H
IFM RB6016 RB-0600-I24/L2 600 Pls/Rev Id.25950434
Festo VIFB-02-1/4-6 Backplane
Dina DNSL-ZM SafeLine Module
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Hartmann Bra HB TZN124-Ex Supply it
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Omron NX-AD2603 Analog Input it
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ABB 0808a-P HIER 449840 R1 Board
Metso A413160 FIU1 Rev. 12 Output Module
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Omron CPM1A-10CDR-A-V1 CPU
Sick WEU 26/2-112 Photoelectric safety switch
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Cerutti RE51117 Board
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Berger Lahr VRDM 3913/50 Stepper Motor
ABB VD86 Selma RGB-board
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Omron C200HW-PA204S Power supply it
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Gefran PC-M-0300 Linear sensor
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Allen Bradley NX70_Y32T Output Module
ADF Web HD67561 Profibus Converter
Omron CPM2A-20CDR-A PLC
Metso AOU4 A413135 Ver.21 Board
Teli TV0441A2 CCD Camera CS8320BC with Cosmicar/Pentax 12mm TV Lens
Finlandia Interface SR92604 Power Supply
Siemens 6DS1201-8AB Teleperm M
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Wartsila PH1 Measuring it
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Dold UG6912.28 Relay module Safemaster Pro
Siemens 6ES7401-1DA01-0AA0 Backplane
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Norgren SXE0573-Z50-60/13J Valve
BBC HESG435076P2 VV91
Mitsubishi FR-D720S-070SC-EC Drive 7A with line filter
Gantner e.bloxx A1-1 Module
Hewlett Packard 3488A OPT-023 Switch/Control it
Berger Lahr RSM 856/3 B FK Motor
Bosch EG2/K-4 Rack 1070077698-101
Phoenix Contact SFN 6TX/2FX FL Switch
Siemens 6GK5414-3FC00-2AA2 Rack
Mectec 23068-06 Power Supply it
ABB SDT-VKB-2 Drives interface
Bussmann 170L5190 Fuses 500A 3 Pcs
BR A115 MDA115-0 Control Board
Duelco DSC-M1 Safety controller
EndressHauser 70WS15-A0A00A0A100 PROWIRL Flowmeter
ABB 200-RPA Repeater Adapter
Eltex KSH 43/40 Power Supply
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