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。

853-012230-002 / ASSY, GATE, INR / LAM RESEARCH

T30UDPAQ() / ULTRASONIC SENSOR 12-24V DC 55545 / BANNER

1503230 / EATON D-1403230 ANTILOG A/D PCB ASSY D-1503230 REV G2 / AXCELIS

E15001660 / PCB GAS FLOW, PWR/BTL PRESSURE E15001660 / VARIAN

830027718 / METAL V RING 273.5 X 281.8 X 2.5 / ASML

4012378 / CENTURION 9E 2 FAN IONIZER WITH HIGH FLOW FAN AND REMOTE ALARM / SIMCO

2-A02744-09 /O-RING, 735 X 7.0, FKM / HITACHI

670774 / W PCB, E-PROM WITHOUT PROMS / APPLIED MATERIALS AMAT

M5V/30A-LL / DC-DC 5-VOLT POWER CONVERTER, WES199737 / VICOR

QS-100NP-MP / 94501-D1028A QUICK STOP COLLISION SENDOR / APPLIED ROBOTICS INC

3D10-101152-13 / SHUTTER, BTM TYPE Y-AL,SE / TOKYO ELECTRON TEL

TKS-26-29A / POWER SUPPLY, T5365P, 26V 29A / NEMIC-LAMBDA

CMLA-11S06 / PRESSURE TRANSDUCER,ORANGE,10 TORR,0-10VDC / VACUUM GENERAL

MYP9001005 / PCB,CALIBRATED TC AMP BOARD,15 INPUT TC AMP REV 4.1 10-92 LL / SEMY

MQMZ042AA3 / AC SERVO MOTOR ML:MQMZ042AAF W/ ABLE REDUCER / PANASONIC

E15000101 / E15000100 PCB MULTI-ELECTRODE MANISERV / VARIAN

275 248 / 275 CONVECTRON GAUGE / GRANVILLE-PHILLIPS

542-602 / LINEAR GAGE / MITUTOYO

3162000 / PCA ,OPER-101 LOGIC COMPRESSOR BOARD,COMPONENT SIDE / BTU ENGINEERING

79903 / FINS, QUARTZ TEL HTO, 2105-323052-52 / TOKYO ELECTRON TEL

BM12345RD / PCB - I-O DISP - DRVR - OP CNTRL STATION / PRI

5-00108-00 / PM KIT, LOAD LOCK FILTERS C1-W / NOVELLUS

64-81813-00 / C  D CONT DISPLAY PCB BOARD MODULE CARD / APPLIED MATERIALS AMAT

0242-03-02-10 / FIBER OPTIC RX RECEIVER CARD / FIBEROPTIONS

0020-41381 / PLATE, MOTING RF/HV WITH INTERLOCK, 30 / APPLIED MATERIALS AMAT

B30A8IQ / PWM SERVO AMPLIFIER 30A 80V / ADVANCED MOTION CONTROLS

UFC-1661 / MFC 20 SCCM / IT

36-0102 / PCA 54-0115 / PROMETRIX

BM23475L28 / PCB 23475 BM23475L28R/C / EMC

AMG00-X0178 / VALVE DI WATER / CKD CORPORATION

BGR-016794 / DPU I/F ANALOG PCB / ADVANTEST

77712 / DAT DRIVE, CTD-4000 / ELECTRO SCIENTIFIC INDUSTRIES

0130-00537 / PCB, STEPPER INTERFACE / APPLIED MATERIALS AMAT

0100-90560 / PWBA T/S VACUUM INT'LK / APPLIED MATERIALS AMAT

03-322700C / PCB ASSY DC INTERLOCK BOARD / ASM AMERICA INC

705177-001 / GENERAL EASTERN HYGROTWIN 2850 ANALYZER 2850-0-4-0-0 / AVIZA

0190-13312 / CABLE ASSY 300MM CHM ION GAUGE / APPLIED MATERIALS AMAT

DSRAL101R00 / IFLOW II C SS 124 4V STD DB15L-CE 858 SCCM N2 FW22 / CELERITY

105-22003-000 / XDCR,PRESS,3/4,NT,0-100,4-20MA / CELERITY

2-F3-D1285 2-F4-93623 2-J4-8B067 ASSEMBLY/UPPERARM 150MM WITH WAFERGUIDE AND SUP

256992 / PCB MATERIAL HANDLER PNEUMATIC MODULE / ELECTROGLAS

AGD11V-X0105 / VALVE RESIN..CT012-006579-1 / TOKYO ELECTRON TEL

1500870 / INA 6813 UPD TO 1517040 PCB / AXCELIS TECHNOLOGIES

UC2-343Y0 / GHOST TERMINAL,PCB / TOKYO ELECTRON TEL

253A-1-40-2SP021-84 / 35MM CONTROL VALVE / MKS

SRW-200-4003 / POWER-SPLY 200W 5V 24V 15V -15V / GASONICS

670362 / W PCB, POWER FAIL DETECT / APPLIED MATERIALS AMAT

0190-28861-01 / MFC MULTIFLO IFC 125C IT 02 5000 SCCM 750-001-002 / CELERITY

VE-1502 / DARK-SHIELD SPACE PLATE ARC SPRAYED / VENZON ENGINEERING

UPM2-71212-NO-HT-SB / FURON NORMALLY OPEN HIGH TEMP VALVE / E  S TECHNOLOGIES

MCQ-018-03 / VERTEQ MEGASONIC CONTROLLER / VERTEQ

2981-600566-1 / BOARD, DC/DC #02 / TOKYO ELECTRON TEL

SGM-O1U3B2L WITH GEAR /MOTOR AC SERVO 100W 200V .87A .318N-M 3000RMIN/YASKAWA

0020-02064 / MANIFOLD SUPPLY PM VALVE / APPLIED MATERIALS AMAT

2S701-090 / PCB, 2S017-267- / NIKON

2327056-00 / MOELLER CIRCUIT BREAKER NZM2 4P 250A / LAM

422-58-007 / PLATE FLANGE HOUSING / METRON TECHNOLOGY

27356 / PCB-CONTROLLER MKIII / LAM RESEARCH CORPORATION

1D10-411128-11 / ELECTRODE SAPPHIRE / TOKYO ELECTRON

21016400051 / SCAN MODE SWITCH BOARD / APPLIED MATERIALS AMAT

E15000190 / PCB ASSY GAS FLOW CONTROL / VARIAN

E15000190 / PCB ASSY,GAS FLOW CONTROL / VARIAN

DFA1NIEYNP64M / DISPOSABLE FILTER 0.1 UM / PALL

511302 / PCB OEM-50-14601-50 FOR ENI OEM 50 RF GENERATOR / ENI

0200-0 / INSERT, DOUBLE RF CONNECTOR, VECTRA IMP / APPLIED MATERIALS AMAT

2342-6QU / LAPTOP THINKPAD / LENOVO

 2342-6QU / LAPTOP THINKPAD / LENOVO

2518-F5U / LAPTOP THINKPAD / LENOVO

 2518-F5U / LAPTOP THINKPAD / LENOVO

0200-01118 / WINDOW QUICK RELEASE ENDPOINT WINDOW / APPLIED MATERIALS AMAT

C38 16D7730 U4100C1 / SONICLINE ULTRASOD FLOWMETER HPW PS6.0 BAR / GEMU

0613796 / STEAG RAM DUAL PORTED ROTEC / MATTSON

10004786 / SENSOR HN33PA REDLIGHT REFLEX FEELER / EVG-EV GROUP

0021-21851 / SPACER, TTN PILLOW BLOCK, 300MM PVD / APPLIED MATERIALS AMAT

SNT476 / CONTROL INSTRUMENTS SNT476 GAS MONITORING SYSTEMS / CONTROL INSTR CORP

3493032E / BAFFLE BASE CVD RTI / SAINT GOBAIN

002-8841-01 / WAFER ROBOT MOTOR CABLE / BROOKS AUTOMATION

ASSY 1500 OR 140013 / KAISER TUBE CONTROL PCB REV F AND REV B / KAISER SYSTEMS

11159-1 / GAS SENSOR CON DIFFUSION 00482027 SIRA / GENERAL MONITORS

625-3041150 / LASER, METER, PWR, INTERNAL, PWRLNE, PHIR 170297 ROFIN-BAASEL,

BM26380RF / PC BOARD KEYBOARD SLAVE CONTROL / PRI

002-9018-02 / WAFER PROCESSING PCB REV A / BROOKS AUTOMATION INC

240-044-0187 OR 27-66286-01 / UP AND DOWN SPINDLE MOTOR DRI / ELECTRO CRAFT

1993234-502 / PCB BACKPLANE TEST BOARD REV E / DELTA

PH2610-01 / 2 PHASE STEPPING MOTOR DC 6 1.88A 1.8" 411C14 / VEXTA

715-067213-002 / DOOR BARRIER VAT ROCKER VLV NON-CU / LAM RESEARCH CORPORATION

01-W3393B04 / VME CPU MVME 117-4 / MOTOROLA

040M7A A040-4E2-34W /KOGANEI, AIR ASSY MANIFOLD VALVE /KOGANEI

715-130092-008 / WAFER PAN, REV B /LAM

445-00 / CER ENDEFF VAC 6X8 SMIF / SEZ

0020-21705 / LIFTER 6 IN. / APPLIED MATERIALS AMAT

525-3162 / NYEMORR 5200 NET 30CC, GREASE, MAC VACUUM / HITACHI

0120-90622 / VACUUM MANUEL CONTROL- BEAMLINE / APPLIED MATERIALS AMAT

E15000170 / PCB CURRENT INTEGRATOR / VARIAN

01146 / PCB BOARD, ANALOG MFC, 01146 / SEMITHERM

15-278968-00(LOT OF 10) / INJECTOR.TUBE,STAR INSERT,1.375L / LAM RESEARCH

51A12TCA2BA070 / PRESSURE SWITCH BARATRON 100TORR 1270-02891/ AMAT

750C33TCB2GC - PRODUCER BPSG 3000 TORR CLOG CHECKER - MKS

SM25-2401-D MOTOR ASSY / STEPPER MOTOR WITH ASSEMBLY / FUJI

3150302-000 / MATCHING NETWORK CONTROLLER AMNPS-2A /ADVANCED ENERGY

AP3625S 2PW TW4 TW4 / REGULATOR TIED-DIAPHRAM 3000PSIG 207BAR /AP TECH

GF120C-107871 / MULTIFLO GF120CXXC 10LPM 02 10000SCCM 35PSIG N2 / BROOKS INST

810-025369-002 / PCB-RESISTIVITY PCU / LAM RESEARCH

141A-24867 / BARATRON PRESSURE TRANDUCER CAPACITANCE TRIP 10TORR RNG100TORR /MKS

15-294620-01 / ANODE 300MM FLAT EXTREME CELL / LAM RESEARCH CORPORATION

45A-MAF-DFBD-1BN /SOLENOID VALVE LVL 8 STG ASSY MAG 3000 DOOR / MAC

12136 / MAGDRIVE DIGITAL DISPLAY / LEYBOLD

000248 / PCB HX-300 LCD TEMP DISPLAY BOARD 238425 110-073 / NESLAB

3386-002677-11 / HARNESS, RS STAGE PORT3 / TOKYO ELECTRON TEL

0342-0607-4001 / A19 SCAN GENERATOR PCB AXCELIS 0303-0019 0301-0196 / AXCELIS TE

ITV3030-044CL4 / SMC E/P REGULATOR / SMC

0020-27816 / PLATE LAMINAR, CH C,D, LINK / APPLIED MATERIALS AMAT

230-0166-0 / PCB BOARD AIO VME MLT2-1 0038 / ESI

PCI-DAS6035 / PCI-BASED 16-CHANNEL, 16-BIT, 200 KS-S DAQ / MCC, CCA,

193077C700 / FD-235HF FLOPPY DRIVE 19308112-11 N08020-1007-000-00 / TEAC

600623-01 / POWER PACK, DUTY CYCLE 600623-01 / SVG

BK650MI / SURGE PROTECTION AND BATTERY BACK UPS 650VA 400W 220-240V 3A / APC

MA102A() / ISOLATION AMPLIFIER / TAMURA

0150-76391 / CABLE ASSY,CUSTOMER I/F INTERCONNECT / APPLIED MATERIALS AMAT

SR330-5 / NEMIC-LAMBDA SR330-5 POWER SUPPLY 5V DC, 66 AMP / ADVANTEST

1419560 / AIR INTERFACE DI PCB / EATON

AMD01-X6US-4 /PNEUMATIC VALVE /CKD CORPORATION

A040E1-34W /AIR VALVE, 040M16A,A040E1-34W / KOGANEI

716-140125-001 / BAFFLE LOWER OF 3 CER / LAM RESEARCH CORPORATION

0100-02195 / PWBA SDS GAS INTERLOCK PCB / APPLIED MATERIALS AMAT

042-02926 / AMT NON-VOLATILE RAM BOARD REV A / MOTOROLA / MOTAY RAM PCB

01-81917-00 / TURBO-BARATRON INTERCONNECT WITH CABLE / APPLIED MATERIALS 8100

ADVU-25-355-P-A-SA / PNEUMATIC / FESTO

VI-26B-CU / FOR 90V PWR SUPPLY / VICOR

1-130-023 /PCB /IDI INTEGRATED DESIGNS INC

IC693CHS391H / BACKPLANE CPU - 10-SLOT - GE-FENUC PLC / GE FANUC

UDX5128N / 5-PHASE STEPPING MOTOR DRIVER 60A, ORIENTAL ED CO / VEXTA