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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BR 8ECH0005.1111A-0 Rev. D0 / BR 4x1.5 2x0.75 ( 2x2xAWG26 2x1xAWG23 ) 5M
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SIEMENS 6ES7135-4GB00-0AB0 SIMATIC S7 PLC MODULE 6ES7 135-4GB00-0AB0
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BR X20DI4371 / X20 DI 4371 Digital Input Module Included Terminal And X20 BM 11
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BR 8ECH0005.1111A-0 Rev. D0 / BR 4x1.5 2x0.75 ( 2x2xAWG26 2x1xAWG23 ) 3M
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SIGMATEK DIAS DDI 161 05-006-161 DDI161 2 With DKL011 DIAS 05-024-011-L Clamp
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Omron 3G3MV-A4015 Frequency Inverter / Sysdrive 3G3MV Frequency Inverter
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MCC ELECTRONICS PDS II PROCESSOR BOARD / SMITH RPM OPERATOR CONTROL PANEL 1144
OMRON 3G2A3-OA221 PLC I/O Module / Omron PLC I/O Device
HONEYWELL 46176602-503 SUBBASE
LENZE E82ZAFSC001 LENZE 13041174
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ICONTROL-S IBS RS 232 WESTERMO ICONTROL-S 24 VDC / 0.2A
SIEMENS LOGO 6ED1052-1MD00-0BA0 12/24RC With Siemens DM8 24R Module /
Beckhoff EL9508 Power Supply Terminal / EL9508
LENZE E84DZMAWE1 / Lenze Wall Mot Adapter 84 Motec 13348439
OMRON CIMR-J7AZB0P4 Yaskawa VS Mini V7 Frequency Inverter
Omron 3G3JV-AB004 Inverter Omron Sysdrive 3G3JV
Omron 3G3JV-AB007 Inverter Omron Sysdrive 3G3JV
OMRON C200H-PS221 PLC Power Supply Module / Omron C200H PLC PSU
Ceag 40071347305 SKU CG 2x3A EATON COOPER ZB96 400 71 347 305
BR X20 BC 0083 Bus Controller Ethernet Powerlink Modul X20 BC0083 Rev. J0
Omron 3G3EV-AB004-CE Frequency Inverter / Omron Sysdrive Frequenzumrichter 0.4kW
Ceag 40071343721/01 SKU CG 2x3A EATON COOPER ZB96 - 400 71 343 721 / 01
odrive UST11A 00762/ 8221936
OMRON C200H-RM201 REMOTE I/O PLC IT / Omron C200H
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NAIS UZD352 PHOTOELECTRIC SENSOR / SX EQ34W
SIEMENS SITOP SMART 6EP1333-2BA01 Power Supply / SIEMENS 6EP1 333-2BA01 Netzteil
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Schneider Electric TSXBLK81 Terminal Block TSX 47/67/87/107
KYORITSU 8031 PHASE INDICATOR KYORITSU E0170395
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Mitsubishi FX2N-4DA Power Supply Module / Melsec FX2N-4DA PLC Power Supply it
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Siemens 6ES7 135-4GB00-0AB0 Simatic S7 PLC Module 6ES7135-4GB00-0AB0
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ABB SSR10 safety relay / ABB 2TLA010050R0000 safety relay / 24 VDC
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Schneider Electric ASI 20MT4I3OSAE 24V DC Power Supply / ASI20MT4I3OSAE
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PHOENIX CONTACT INTERBUS-S IBS RT 24 DIO 16/16-T 2753601 PLC I/O
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Allen Bradley 100S-C37EJ22C Safety Relay Allen-Bradley 100-C37E 100S-F
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BR Automation X20 PS 2100 X20PS2100 Rev. F0 X20 BM 11 Rev. D0 X20 TB12
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