福建中立恒自动化设备有限公司

目前，世界上有200多个厂家生产可编程序控制器产品，厂家有德国的西门子，美国的Rockwell(AB)、通用(GE),日本的三菱、欧姆龙，法国的施耐德等。

可编程序控制器总的发展趋势是向高集成度、小体积、大容量、高速度、易使用、高性能方向发展。具体表现在以下几个方面：

(1)向小型化、专用化、低成本方向发展

20世纪80年代初，小型PLC在价格上还高于小系统用的继电器控制装置。随着微电子技术的发展，新型器件大幅度的提高功能和降低价格，使PLC结构更为紧凑，功能不断增加，将原来大、中型PLC才有的功能移植到小型PLC上，如模拟量处理、数据通讯和复杂的功能指令等，但价格不断下降，真正成为继电器控制系统的替代产品。

(2)向大容量，高速度方向发展

大型PLC采用多微处理器系统，有的采用32位微处理器，可同时进行多任务操作，处理速度提高，特别是增强了过程控制和数据处理的功能。另外，存储容量大大增加。

(3)与计算机联系密切

从功能上看，PLC不仅能完成逻辑运算，且计算机的复杂运算功能在PLC中也进一步得到利用，从结构上看，计算机的硬件和技术越来越多地应用到PLC；从语言上看，PLC己不再是单纯用梯形图语言，而且可用多种语言编程，如类似计算机汇编语言的语句表，甚至可直接由计算机语言编程；在通讯方面，PLC与计算机可直接相连并进行信息传递。

(4)发展多样化

可编程序控制器发展的多样化体现在3个方面：产品类型、编程语言和应用领域。

(5)模块化

PLC的扩展模块发展迅速。功能明确化、专用化的复杂功能由专门模块来完成。主机仅仅通过通讯设备向模块发布命令和测试状态，这使得PLC的系统功能进一步增强，控制系统设计进一步简化。

(6)网络与通讯能力增强

计算机与PLC之间以及各个PLC之间的联网和通讯的能力不断增强，使用工业网络可以有效地节省资源、降低成本、提高系统可靠性和灵活性，致使网络的应用有普遍化的趋势。

(7)多样化与标准化

生产PLC产品的各厂家都在大力度地开发自己的新产品，以求占据市场的更大份额。因此产品向多样化方向发展，出现了欧、美、日多种流派。与此同时，为了推动技术标准化的进程。一些国际性组织，如国际电工委员会(IEC)不断为PLC的发展制定一些新的标准，如对各种类型的产品作一定的归纳或定义，或对PLC未来的发展制定一种方向或框架。

(8)工业软件发展迅速

与可编程序控制器硬件技术的发展相适应，工业软件的发展非常迅速，它使系统应用更加简单易行，大大方便了PLC系统的开发人员和操作使用人员。

可编程序控制器的输出信号类型可以是开关量、模拟量和数字量。输出单元从广义上分包含两部分：一是与被控设备相连接的接口电路，另一部分是输出的映像寄存器。

PLC运行时CPU从输入映像寄存器读取输入信息并进行处理，将处理结果放到输出映像寄存器。输出映像寄存器由输出点相对应的触发器组成，输出接口电路将其由弱电控制信号转换成现场需要的强电信号输出，以驱动电磁阀、接触器、指示灯等被控设备的执行元件。

91163 / PCB ARTWORK LOADLOCK CONTROL CARD 800-2221 / AMRAY

BD650A109G52 / INPUT OUTPUT BOARD / MITSUBISHI

EH-B10VC-240R2/AMONIA METERING PUMP, M046, 240V, MAX 0.98 STROKE 0~360 / IWAKI

9303309TN / DC MOTOR 1/3 HP 1725 50022691 / FINCOR IMO

901F-2572 / PCB BOARD WITH MOT / SEIMENS

303-05091-00 / PADDLE,LONG, STAINLESS STEEL / MATTSON

813-59-003 / SCREW PUSHROD ASSY / METRON TECHNOLOGY

601834 / PLATE-LOWER CAP / LAM RESEARCH

2600346 / PCB-OSC/BUFFER MODULE / LAM RESEARCH

593-14413 / MONGOOSE 2P PSB/PMU VIRTEX II PRO / MICRON

BIR-024405 / AFM PCB / ADVANTEST

1994125001 / PCA PROGRAMMED ATC2 ASSY 1993241-501 / DELTA

BGR-024351 / CALSIG PCB / ADVANTEST

0105P24 / CABLE ASSY WITHFLOW SWITCH PROTEUS CA8, EXCHANGE/NOVEL

0100-90025 / PWBA 24 V PWRS 24 V 1A / APPLIED MATERIALS AMAT

3870-01350 / ACTUATOR WVLVE INSERT FOR ROBOT AMAT 82475-R1 / VAT

2331462-00 / ASSY, LCD WITH CABLE / LAM RESEARCH

CS1B10-127055-12 / FLANGE, FRONT C2 / TOKYO ELECTRON TEL

830088504 / MOTOR 150W RE40 ENCGEAR / ASML

0020-79236 / BRACKET PAD COND. / APPLIED MATERIALS AMAT

0100-20313 / CHAMBER INTERCONNECT ASSY. 0130-20313 / APPLIED MATERIALS AMAT

0010-32309/ASSY HIGH POWER CABLE SHIELD LAMP MODULE LOWER/APPLIED MATERIALS AMAT

110-493 /PCB BOARD CASCADE MICROTECH 110-493 /CASCADE MICROTECH INC

315427 / KEYBD PNL ASSY S8000 / KLA-AIT1 ONLY

3385-013260-13 / SUPPORT ASSY. LCD TOUCH PANEL /TOKYO ELECTRON TEL

0021-81004 / FLANGE CLEAN GAS 200MM PRODUCER / APPLIED MATERIALS AMAT

000-308900 / PCB, PXC TDC

22-120289-00 / XDCR MODEL 223, -14.7-100PSIG, SETRA 223G100PCAA11B1 / NOVELLUS

C8261AF-SC12090C-DWOVVMMS / MFC 8261 IT 30-90SCCM / CELERITY

BGR-015467X02 / BOARD, STRBCONT / ADVANTEST

8002-4122-000-06 / INDEXER INTERFACE BOARD FOR THE 8028 BONDER / KULICKE  SOFFA

460P9W / CABLE,60A30,250 VAC,391417 REV. A / HUBBELL

WF29132 / WF RECORDER PCB BOARD / ORBOT INSTRUMENTS

SAC3750G / POWER SUPPLY ADVANTEST 240V 17A AC/DC WBL-PS3750W / SHINDENGEN

223BD-00010-ABS-SPCAL-SPFTG / BARATRON,10 TORR / MKS

122AA-00100BB / PRESSUR XDUCER TYPE 122A 100 TORR IN 15VDC OUTPUT 0-10VDC / MKS

386642 / PCB, HV-SMPS CONTROLLER INTERFACE BOARD / FUSION SEMICONDUCTOR SYSTEMS

SC2013PTE / SAMPLE C/ SPECTRON, INC

127AA-00001B / BARATRON PRESSURE TRANSDUCER 1 TORR TYPE 127 / MKS

141A-23369 / VACUUM SWITCH / MKS

50480-1604 / MHU ARM SCREEN SPE 2-39-87913 / KAWASAKI

DT962LA /COMMICATION BOARD, 06-95 /JPC CONTROLS

879-204-00/E1 / PCB, AD204, 72419, 9650 / TERADYNE

E249-000003-13/TOUCH SCREEN MONITOR,E280-000044-11,UT3-TLN7-B/TOKYO ELECTRON TEL

0200-09559 / COVER 200MM CERAMIC / APPLIED MATERIALS AMAT

255343-001 / PCB BOARD,LOGIC CONTROL BPCC 255343-001 / BAY ADVANCED TECHNOLOGIES

0150-00100 / SYSTEMS I-O INTERCONNECT / APPLIED MATERIALS AMAT

CT1380-104551-11 / CRA Z DRIVER MSD5A1A1XX / TOKYO ELECTRON TEL

PCA-6178 / SINGLE COMPUTER BOARD PENTIUM 111 / ADVANTECH

1D10-305114-11 / RING SCREW(DRM2) CHAMBER BASE / TOKYO ELECTRON AMERICA INC

2800392 / MODULE-A DUAL DRIVER / LAM RESEARCH CORPORATION

853-802770-102 / CA, AC TMP CINT, 2.2K, SFIKO / LAM RESEARCH CORPORATION

715-011229-003 / PLATE, SEAL, EXIT LOADLOCK, 113160 / LAM RESEARCH

0020-10119 / PLATE PERF 100-150M / APPLIED MATERIALS AMAT

0040-03733 / AMAT COVER ORIENTER DEGAS / APPLIED MATERIALS

CFU60001095 / FAU-01R FAN FILTER IT / DAIKIN PLANT CO, LTD DAIKIN INDUSTRIES

7-01-097 / PCB BOARD, OUTPUT, 7-01-097 / TEMPRESS - GENERAL SIGNAL

345520 / PCB MOTHERBOARD PARALLEL BUS / LASER IDENTIFICATION SYSTEMS INC

70312543100 /MOD. RS232 REMOTE BO / APPLIED MATERIALS AMAT

83367-001-B / MEMORY MODULE / VARIAN

12-8800-010/VEXTA PX243G01 ASSY BR LIFT PREPROD 810-04107 2-PHASE 0.1STEP/ONTRAK

B112099G009 / CONTROLLER CABLE 94E18 GW / CTI CRYOGENICS

4S013-360 / MIS-PACONX4 P.C.B. / NIKON

810-004115-002 / ASSY PCB ES MEMORY CARD 8346-701-1263/ LAM RESEARCH CORPORATION

8201-0142 / PCB I / O BOARD / NANOMETRICS

0021-29195 / EXTERNAL MEMBRANE CLAMP 300MM TITAN / APPLIED MATERIALS AMAT

12741 / BLOCK CATHODE WATER BLOCK MANIFOLD / MCDOWELL  COMPANY

626A02TBE / BARATRON GAUGE, 2 TORR, TYPE 626 / MKS

0140-09528 / HARNESS ASSY, CHAMBER EXHAUST, EPI / APPLIED MATERIALS AMAT

950-737-00 / PCB VS CONTROL ED / TERADYNE

M/C-00011 / CONTROL  - ORBIS TRA

212200R / CARBON CARTRIDGE ASSEMBLY WITH 3MM AMMOSORB CARBON / TIGER-VAC

1066-199-01 / ENCLOSURE- IN FLOOR BOT SERVICE / ASM AMERICA INC

PM2974A-3-5 / POWER SUPPLY / PIONEER MAGNETICS

153F-16205 / TYPE 153 CONTROL VALVE / MKS

0140-36453 / HARNESS ASSY, DCS CHAMBER / APPLIED MATERIALS AMAT

122AA-00010BB / PRESS. XDUCER TYPE 122A / MKS

4.0 out of 5 stars.

1D10-406499-11 / WINDOW DEPO SAF 0.5 / TOKYO ELECTRON TEL

CMD-034 / CHEMICAL CIRCULATOR / IWAKI

10-08574-00 / TUBE ASSY, TEOS INLET / NOVELLUS

0630-1434-1 / SHIELD, SOURCE WELL, FRONT LEFT, MODEL 5700, TEM_EVP / TEMESCAL

CP*OEM750X-10413 / DRIVE INDEXER / PARKER HANNIFIN CO

103681-002 / PCB BOARD, BIRS CONT. BD POS. V2(SMT), 103681-002 / MICRO CONT.COMP

SE6400012 PD1 - EV640 /PIEZO DRIVER - HP AL6-2-01050900 - N-002-07/ EVG-EV GROUP

0021-70063 / PIVOT, 300MM REV 3 SLIT VALVE / APPLIED MATERIALS AMAT

0020-30427 / RING, CLAMP, 8 , EXT CATH, DC,4.4MM, .22 / APPLIED MATERIALS AMAT

0100-90851 / PRE ACCEL H.V. M/B 9500 IMPLANT / APPLIED MATERIALS AMAT

15-278968-00(0) / INJECTOR.TUBE,STAR INSERT,1.375L / LAM RESEARCH

ZTE562-35920B / TRANSFORMER, 220-220V, 50-60HZ / URAKAWA TRANSFORMERS

0010-00146 / MKS BARATRON RANGE MULTIPLIER 170M-6C / APPLIED MATERIALS

W-5V3V5V3V2B /POWER SUPPLY MODULE ASSY, MT400-5, SYA400S 3R3 /ADVANTEST

11362100 / LASER MOT ASSEMBLY / ALLEN BRADLEY

ICM-BB-30 / PCB DIGITAL IO WATCHDOG LED BEAR BONES 1F5174 / DIVELBISS

DTRY-ELB02 / STATIC ELECTRICITY ELIMINATOR IONIZING IT / KOGANEI

0123-5247 / PCB ASSY FOR NITTO / CYBEQ SYSTEMS

0140-05870 / HARNESS ASSY, PRODUCER E, RF GENERATOR CABLE / APPLIED MATERIALS AM

H20-SB13-0615 /TRAY-SPRING  12-1 / ENTEGRIS

0040-38282 / OUTER SHIELD, CHAMBER EXHAUST, METAL ALD 300MM / AMAT

E17581350 / SUPPORT PLATE,ANGLE CONTROL LINER / APPLIED MATERIALS AMAT

SGM-01L314P /YASKAWA AC SERVO MOTOR SGM-01L314P /YASKAWA ELECTRIC

0020-26455 / CLAMP RING 6 SMF SS 3.4MM / APPLIED MATERIALS AMAT

BE34K-NPSN / PARKER BRUSHLES SERVO MOTOR, 14082N0012 / PARKER

577009-2180-000 /77 SERIES LGK 7877 ML01 MULTI-BEAM 500MW / LASOS LASERTECHNIK

17138590 / INA 55846 UPD TO 17227170 SUPPORT SHIELD / AXCELIS TECHNOLOGIES

1181-000537-15 / TEL-ALPHA 8S BOARD MC-31106A / TOKYO ELECTRON TEL

SFA4080 / BELLOWS / SHIBAURA ELETEC CORPORATION

CMHT0102E / MANOMETER 0-1TORR 0-10 VDC / CELERITY

9699504S011 / TV-250 CONTROLLER, 70411535000 / VARIAN

5.0 out of 5 stars.

1  9699504S011 / TV-250 CONTROLLER, 70411535000 / VARIAN

GF120C-899361 /E23000581 GF120CXXC MFC NF3 2000SCCM N2-35PSIG /BROOKS INSTRUMENT

740-607105-00 / MAGNETIC WIEN CURRENT, CURRENT SUPPLY WIEN, LENS CURRENT / KLA

HA-FE23D / AC SERVO MOTOR 80B HORIZONTAL Y AXIS DRIVE WITH EXCHANGE / MITSUBISHI

ESVP-1502-NW / ANGLE VALVE PNEUMATIC VACUUM / NOR-CAL

921203-1 / ANGLE VALVE PNEUMATIC VACUUM / NOR-CAL

649-250158-001 / COMET CAPACITOR VACUUM VARIABLE 10-1000PF 5KV / LAM

DSGFT-181002-4 / PIPING,TEASAT LINE-OUTSIDE2(ASDT02) / TOKYO ELECTRON TEL

DSGFT-181003-4 /PIPING,TEASAT LINE-OUTSIDE2(ASDT03) / TOKYO ELECTRON TEL

28001BFM /LAMBDA POWER SUPPLY 4 CHANNEL 284BE1A-1715 120V 15.4A KLA 5200 / KLA

BM17756L01 G4 / PCB SERVO AMP LOW POWER REV G4 / PRI

HB-25102AF-A / POWER SUPPLY UV LIGHT SOURCE CURING DNS / USHIO

0040-49302 / MOTION SYSTEMS 73058-001 / APPLIED MATERIALS AMAT

02-451607-00 / NOVELLUS ASSY, AC DISCONNECT SWITCH , EFEM / LAM

022-00066 / PCB A-D TEMP CONTROL / SEMIFAB

C316AF-0013060L-2RHOVAMME/MFC 3161 IT N2 ,HGHFLO(NON-MULTIFLO),60SLM/CELERITY

232657-004 /VICOR MINI MEGAPAC MODULAR POWER SUPPLY 115-230VAC 25A-15A/VICOR

H20-SB13-0615 / TRAY-SPRING  12-1 / ENTEGRIS

799000320 / PCB, PWM HCDPS, DEFT, STPWMHC499000320 / SCHLUMBERGER

09170088 / TEMPERATURE MONITOR / EBARA