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。
15-3702-1425-26/300 MM MULTI-LINK WAFER HANDLING ROBOT AMAT 0190-22250W/PORT
25-3700-1425-06/ROBOT 300MM MULTI-LINK WAFER HANDLING SIMILAR TO AMAT 0190-22250
NRY3W9260 / ICE;SECOND-G.V.-RETROFIT-KIT / EDWARDS VACUUM
103899-000 / PCB BOARD, TEMP CONTROL BOARD / MICRO CONTROL COMPANY
260810-001 / CAMERA ASSEMBLY REV C / ELECTROGLAS
H100M / TRANSPECTOR, LEYBOLD / INFICON
001-1070-02 / Z-BOT CONTROL PCB / BROOKS AUTOMATION
A220-200B50M-0215 / WAFER CARRIER PFA LMC LMC-8-50-NS-0-PFA/ ENTEGRIS
2325325-00 / ANTON PAAR L-DENS SS G 1/8 IN DENSITY TRANSMITTER W/ PCB / LAM
2L10-150988-11 / PLATE(L), D3T6 EXH BS / TOKYO ELECTRON TEL
9330-201 /COMPUTER ELECTRONIC CHASSIS MODEL 590 SERIES/ INTEGRATED RESEARCH CORP
49-129N / 18X23/LK49/ THERMO/6/ CHUCK, SEP-82 / SUSS MICROTEC
E11080470 / SWITCH / VARIAN
0190-28658 / VERITY CONTROLLER, MODEL SD1024F-2-S. PN 1007467 / APPLIED MATERIAL
0021-04921 / COIL ELECTRA 1-4 , COPPER OVER AND DER / APPLIED MATERIALS AMAT
0010-70441 / ASSEMBLY, BASIC MOTORIZED LIFT / APPLIED MATERIALS AMAT
1232709 / ROBOT KIT HDPHPROBOTBEARINGS USB / SAMSG AMERICA INC
GERA-001 / TR 10-AXIS DRIVER ASSY D2410-2 SK200 WITH EXCHANGE / DNS
00473696/ EMS POWER SUPPLY REV F / ELECTRONIC MEASUREMENTS
EI-D3403M / TMP POWER IT HZ 50-60 V~200-240 TURBO CONTROLLER / SHIMADZU
02-10432-00 / ASSY RF INTLK HEATER ISOLATION 02-103641-00 / NOVELLUS
25-4021-0015-07 / PORT KENSINGTON SERVO POSITIONING CONTROLLER
19.5, DAEWON / DAEWON
5517CN05 / HENE STAGE LASER HEAD 14 EQUIVA / AGILENT TECHNOLOGIES
04708626-02 / WAFER ORIENTER CHASSIS VARIAN M2000,M2I 04708677-07 / VARIAN
2-AS-90126 / WAFER SYSTEM / DAINIPPON SCREEN MFG CO LTD
DT486DX2664F / COMPUTER 486 FOR NOVELLUS C1 /INTEL
716-003481-833 /WINDOW CERAMIC LLT CTD BAYONET KIYO EX/ LAM RESEARCH CORPORATION
15-405133-01 / ANODE DISC IRISCELL / LAM RESEARCH CORPORATION
1D81-0000009-21C / TYB 121-1/COM PCB 1D08-000092-13 / TOKYO ELECTRON TEL
0190-00209 / RF MATCH, ADVANCED ENERGY, AZX90/ AMAT
8107038 / CRYO-TORR 8F CRYOPUMP / CTI CRYOGENICS
CERD-0012 POWER SUPPLY DNS60A MODEL D1770-1 2-39-40085 WITH EXCHANGE DNS DAI NIP
459235 / FUSION SYSTEM DIV 300MM MODULE POWER DISTRIBUTION / EATON
0021-09759 / FACEPLATE AMAT 0021-09759 / APPLIED MATERIALS AMAT
05-119299-01 / MONITOR, MAINT, LCD UPGRADE KIT / NOVELLUS
2002-2256 /ASSY POWER SUPPLY LOW PROFILE TRACK FOR ANTARES ROBOT/BROOKS AUTOMA
1D10-200734-12 / ITY2-DRM COVER BELLOWS / TOKYO ELECTRON TEL
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DVC2000 / DIGITAL VLV CONTROL FIELDVUE, ELOMATIC ES 0350 U1A04A 27K / FISHER
1501B-8-0679 /PROCESS PROBE INSTRUMENT WAFER /SENSARRAY
70315292000 /MOD. ARM GENCO IV / APPLIED MATERIALS AMAT
3M10-204066-12 / COVER, HTR MID MO HT / TOKYO ELECTRON TEL
MVT MC70 / MASK AND WAFER INSPECTION CONTROLLER / MICRO VISION
04708626-02 / ASSY REV E VARIAN WAFER ORIENTER CHASSIS M2000/M21 / VARIAN
653250-01 / METRO MT 60K LENGTH GUAGE WT241 / HEIDENHAIN
3880-200061-12 / TEMPERATURE CONTROLLER MODEL 780 VER 2.0 / TOKYO ELECTRON TEL
0240-27886 / ENDURA/CENTURA PIK 8" SNNF CONSUMABLE KIT / APPLIED MATERIALS AMAT
7212-00-0001 / RF POWER SUPPLY D600L 200-240 V 8.0 A 600W / COHERENT LASERS
E11095112 / ANALOG-DIGITAL I/O INTERFACE / VARIAN
750-673371-000/0181 / VIPER 2401 OPTICS ASSEMBLY / KLA TENCOR VIPER 2401
381-639094-8 / TVME-UIO PCB / TOKYO ELECTRON TEL
470961 / ASSY PLUG, ES3 EATON FUSION / AXCELIS TECHNOLOGIES
0190-09379 REV A / WPCB ASSY VME CPU SYNERGY UPGRADED / APPLIED MATERIALS AMAT
400-00103 / CONTROLLER-PROGRAMMABLE PLC-5/V30B TEXT 61-0255-40 / CFM
11210-0601 / VALVE, VACUUM GATE, STAINLESS STEEL / HVA
805-467-YM-A01-126 / PLATE ADAPTER PLATE FOR SIP ETCH CHAMBERS SET-805-P79K-AM
Y60-0941-000 / WAFER SEND IT Y60-0941-R00 / CANON
0040-08587 / AMAT RING 24 INCH, DOME MOTING / APPLIED MATERIALS AMAT
EEBH-0011X1-EEBH-0021 HEATER CONTROLLER, 2-VC-16217 W EXCHANGE DNS DAI NIPPON SC
11NS37-005 / NSI MODEL 202 GVM CONTROLLER VARIAN E19009990 / TON SCIENTIFIC
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950-569-02/A / PCB ASSY TW569, 950-571-12/A / TERADYNE
A540-11-999 BC2206J-08/HIGH VAC EXTERIOR PUMP BROOKS COMPTON 120-240V/EDWARDS
56F5504 / PCB 512 HEAD AC RING / ASM AMERICA INC
FHA-40C-160-E250-C-SP / AC SERVO ACTUATOR / HARMONIC DRIVE SYSTEMS
0010-09201 /ASSY VIDEO MONITOR THRU THE WALL /APPLIED MATERIALS AMAT
AC1330 / VAC1A / ELECTROTECH
0200-89049G / INSERT 3ZLEFT / APPLIED MATERIALS AMAT
2939-000009-12T / POWER SUPPLY, DC TDK MSE343B / TOKYO ELECTRON TEL
4282800 / APERTURE CHARGE EXCHANGE / VARIAN
0240-25017 / KIT-CONS PC11 8 BASIC C OR D OR CENTURA REV:A0020-22846 /AMAT
MKN-502-3S2B02-PS / MICROWAVE PWR SOURCE MKX-502-3S2B03-PS PM2 / NIHON KOSHUHA
27-160698-00 / ROBOT,ARM,ATR7,300,RABBIT MAP(SABRE NON 3D) 002-6640-39/ NOVELLUS
0820-01057 / VESDA REMOTE DISPLAY - RELAYS / APPLIED MATERIALS AMAT
0041-48723 / TC SHOWERHEAD HEATED DUAL CHANNEL SINGLE / APPLIED MATERIALS AMAT
1054475 / HEATER PLATEN 300MM-1XA 2C / ULVAC
D589-16 / 2A13 ACCELERATOR VOLT DRIVER, VIISTA VIS / ACCELERATOR SYSTEMS INC
1079-967-01 /SHIELDS PULSAR CHMBR CLEAN ROOM 1114-333 / ASM
TVS-MF125Z / PNEUMATIC 5IN AUTO GATE VALVE SAMIN P-N - SGT-L-80-35 / TERA TECH
ASM3022 / ETS-300 CALIBRATION BOARD / EAGLE TEST SYSTEMS
0200-01393 / LINER, COMMON, BD-BLOK, LOWK, 200MM PROD / APPLIED MATERIALS AMAT
SE8500006 / GES-SBS11, RESET PCB, EPROMS / EVG-EV GROUP
05-104222-00 / KIT,RETROFIT,ION SOURCE,MATCH / NOVELLUS
0100-35024 / PCB ASSY CENTERFINDER SBC / APPLIED MATERIALS AMAT
XS-4AF / LAMP STARTER-LAMP POWER STARTING IT NIKON 4S061-128AN / USHIO
3610-01107 /CONVEYER ASST STA2 EXH / APPLIED MATERIAL AMAT
0021-12063 / SHIELD, PIECE, 190MM T-S / APPLIED MATERIALS AMAT
CUSTOM A108-50M / PROCESS WAFER ROTOR / ENTEGRIS
XN / MICROSCOPE 120V 50/60HZ / NIKON
30-000956-00 CHAMBER , TOP PC 2300 MTL/PL REPAIR NOVELLUS
0190-25812 / ACTUATOR LIFT ASSY / APPLIED MATERIALS AMAT
SC2650-4-S / COMPACT PCI PCB ASSY DISK TOSHIBA 3Z80-000069-11 SE2000T-162012/TEL
0020-34694 / LINER, GDP, R2 OXIDEGECO / APPLIED MATERIALS AMAT
MP6-76542 / MEGAPAC POWER SUPPLY 8.3AL,2.1ALV3,8.3AL,3.3ALV2,6.7ALV2,8.3ALV1
313-M8H1-S / CHEMICAL PUMP / IDI INTEGRATED DESIGNS INC
3887210243 /GFC-DRV 3108-060021 3181-060021,GCF-DSP 3181-060020 3108-060020 /TEL
EEBM-003 / C-HP HOTPLATE ASSY / DAINIPPON SCREEN MFG CO LTD
PM-143-451-T / HIPACE 300 PLUS TURBO VACUUM PUMP / PFEIFFER
121-143G/MODEL SC154-040-08 WAFER COATER SPINDLE CONTLR MOTOR SC150/PACIFIC
GEBM-1211 / 200W-CP CHILL PLATE ASSY / MMB2002AK/ DNS DAI NIPPON SCREEN
0200-14421 / RING,DEPOSITION,REFLOW / APPLIED MATERIALS AMAT
853-015130-503 / LAM MINI MATCH 44XX / LAM RESEARCH CORPORATION
0020-84649 / LINER, LOWER, YTTRIA COATED, HART 3 / AMAT
UA206-811R / RTX PIBOC-1 CONTROLLER, AC 100V-240V,3.7A-1.5A,50-60HZ / MEIDEN
85400 / TURBOMOLECULE PUMP 40KF/DN CONNECTION TURBOVAC 50 / LEYBOLD VACUUM
2-AS-901125 /WAFER SYSTEM / DAINIPPON SCREEN MFG CO LTD
XP504 / ANALYTICAL BALANCE / METTLER TOLEDO
0040-20726 / SHIELD,HTHU HEATER RF TOP / APPLIED MATERIALS AMAT
DS1180-000180-11 / MICA HEATER #1180-000180-11 / TOKYO ELECTRON TEL
115909 / MAGNIFLOW MOTOR 100-10011, PUMP, CENTRIFUGAL BSM-4.2-30 / CELERITY
0190-35197 / GAS PANEL MANIFOLD "G" / APPLIED MATERIALS AMAT
716-800330-016/INSULR RING, ESC, 300MM, 4 ZONE, CERAMIC/LAM RESEARCH CORPORATION
0020-12397 / LOWER PLATE HEATER ECP 300MM ANNEAL / APPLIED MATERIALS AMAT
1463-0003A / TEMP CONTROL SYSTEM ATCS15 TLC ABU TLC R321 PROBE / SCHUMACHER
0010-24363 / ASSY-EDGE RING-CERAMIC-HTR-ALD / AMAT
796-090807-002 / VAT F14-69397-07 VALVE BODY / LAM 796-090807-002
719-003481-868/TCP CRYSTAL WDO CER LLT 2300LG KIYO FEOL/LAM RESEARCH CORPORATION
0190-26332 / AMAT POWER SUPPLY DC 2KV/-5KV 25W, 24VDC / APPLIED MATERIALS
310E-H00100-NCRB-110 / DF 310E PROCESS OXYGEN ANALYZER SENSOR / SERVOMEX
3Z10-100540-11 / SHIELD, DEPO BULK F-P / TOKYO ELECTRON TEL
912593-002 / EXCHANGER, HEAT ASSY /FSI
0010-00326 /SHUTTLE DRIVE ASSY / APPLIED MATERIALS AMAT
0190-09454 / ASSY DCVD ENDPOINT DETECTOR / APPLIED MATERIALS AMAT
0190-09379 / WPCB ASSY VME CPU SYNERGY UPGRADED / APPLIED MATERIALS AMAT
2L39-000039-25, DAIHEN FTM-80A1 RF AUTO MATCHER 3KW-8KW 3.2MHZ-40.8M / TEL
RS FILTER BD, 103780-002 / MICRO CONTROL
A18098 / ASSEMBLY POLARIZER TRUSS / RUDOLPH TECHNOLOGIES
303FN-167743 / ASTEC RR304 SIC FINGER ROBOT END EFFECTOR / SEMIX INC
GEDC-0021 / BP-0014C CONTROL BOARD / DNS
0010-03628 / AMAT MASS STORAGE MODULE CENTURA MSM, WITH CD ROM AND WIN NT / AMAT
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