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。
以下链接皆有货
Novellus 02-8107939-00 UI, Computer, P166/64, 24V, 106022
NOVELLUS 030-900105 , 030-900106 SPINDLE RING TOP AND BOTTOM NOVELLUS C1, 119989
NOVELLUS 030-900105 , 030-900106 SPINDLE RING TOP AND BOTTOM NOVELLUS, 119979
NOVELLUS 030-900105 , 030-900106 SPINDLE RING TOP AND BOTTOM NOVELLUS C1, 119990
NOVELLUS 030-900105 , 030-900106 SPINDLE RING TOP AND BOTTOM NOVELLUS, 119980
Novellus 030-900105 Spindle Bottom Plate, 156909
NOVELLUS 030-900106 SPINDLE RING TOP/BOTTOM NOVELLUS C1 PLATE, 38121, 119991
NOVELLUS 04-720173-01 CONTROLLER, TURBO V-250, VARIAN 9699523S012, 132451
Novellus 05-00115-00 Kit, FCO 53, RF Isolated TC, 166980
Novellus 15-029544-00, Chamber Speed-S, 324881
Novellus 15-10628-00 Plate, Exclusion Ring Lift, 200mm, 127115
Novellus 15-10628-00 Plate, Exclusion Ring Lift, 200mm, 162171
Novellus 15-10628-00 Plate, Exclusion Ring Lift, 200mm, 162172
Novellus 15-119956-00 Anode Ring 300mm Grit, 138507
Novellus 15-119956-00 Anode Ring, 300mm, Grit, 173970
NOVELLUS 15-138597-00, HPD Speed Process Chamber, 324882
NOVELLUS 16-033105-00 PLATE, SEAL PEDESTAL, 114079
Novellus 16-033105-00 Plate, Seal, Pedestal, 133765
NOVELLUS 16-112553-00 ANODE RING ASSY, 174171
NOVELLUS 16-173687-00, SHIELD, GATEVALVE, 105919
NOVELLUS 16-261562-00 CHAMBER, ANODOE, SBR-XT, 200MM CONAN, 106441
NOVELLUS 16-261562-00 CHAMBER, ANODOE, SBR-XT, 200MM CONAN, 108584
NOVELLUS 16-261562-00 CHAMBER, ANODOE, SBR-XT, 200MM CONAN, 108586
NOVELLUS 16-261562-00 CHAMBER, ANODOE, SBR-XT, 200MM CONAN, 108585
NOVELLUS 16-261562-00 CHAMBER, ANODOE, SBR-XT, 200MM CONAN, 117646
Novellus 17-103642-00 Heater Isolation Box, 135574
NOVELLUS 17-157996-00 SHIELD CHAMBER TOP HAT PC300, 167310
Novellus 2850-719086R Kit Air Cylinder, 8 Bore 6 Stroke, 149352
Novellus 2850-739458 Robot, Genmark 676, IPEC, 233435441, 125730
NOVELLUS 60-10317-00 MILLIPORE CELERITY MDVHX-100B THROTTLE VALVE, 160196
Novellus 60-114757-00 VAT Monovalve, Alum, Heated 02109-BA24-AMU 1/0004
Novellus 685-017705-003 AC Remote Control Box (For Dry PU), Rainbow, 115510
Novellus 79-343925-00 Robot Controller, LAM, 17-408302-00, 17-423264-00, 452977
Novellus 79-397360-00 Robot Controller, 17-393320-00, LAM, 452976
Novellus A95-145-01 Flushmount window assembly
Novellus ASSY, SHUTTLE PAINTED, 01-032073-00, TOL-O-MATIC 24100220#53740, 115460
Novellus circuit breaker panel LPB, WTS HV 02-158824-00 B w Cosel power supplies
Novellus Cu, 200mm ceramic ring 196mm cwp low profile 02-130754-00
Novellus CVD RF Match LAM Shower Head 340mm 17-301068-00, 715-283028-001, 453304
NOVELLUS ELEMENT 02-109038E01, 40612-049422, 115447
Novellus Front Monitor 02-338013-02, 27-319917-00, B2_PWR_IN, WME-_02AFB, 100396
Novellus Gasonics 90-2686 PCA, MAIN SIDE DISTRIBUTION BOARD
Novellus Inova XT PVD 300mm Wafer, Complete Tool, 113479
Novellus R 02-028522-00, System Control Assembly, 16 MEG
Novellus R02-341002-00, Ion Source Match Network
Novellus R63-303438-00 Robot Assy, Dual EE, 200, Key Cust, 63-303438-00, 163360
Novellus SCON System Controller, LAM, PM255, SYS-ZDT-100, 02-028033-00, 451130
NOVELLUS SYSTEMS 15-120192-00 SHIELD COOLING ANODE PVD, 126409
Novellus UPPER, PLATN-TEMP, CONTROL, 300mm, 149664
Novellus XVME-560 2800303 VME A/D XYCOM Card PCB Circuit Board, 113451
Novellus XVME-560 2800303 VME A/D XYCOM Card PCB Circuit Board, 113437
Novellus XVME-560 2800303 VME A/D XYCOM Card PCB Circuit Board, 113438
Novellus XVME-560 2800303 VME A/D XYCOM Card PCB Circuit Board, 113439
NOVOTEC ITEM NO. 24.04.913 OEM NO. 100434447 CUTTER Z16
NP69549 400 Amp Circuit Breaker with Aux Shunt
NSD Corp VI-2A12B1NT1 Sensor Module
NSE HARUNA NSPH-55C-3 CHEMICAL PUMP 82371 S, 108128
NSI IPLD500-5, 600 V, 4 AWG to 500 MCM, 5-Port Multi-Cable Connector Block, 1pc
NSI L40N COPPER COMPRESSION LONG BARREL, TWO HOLE, PURPLE - QTY 25
NSI Trackball with Scroll Wheel MTSX38N8-BT1
NSK 115-15054-01 Megatorque Motor System, RS0608FD001 Motor, 161509
NSK 7021A/7021AG Angular Contact Ball Bearing
NSK 7220ATYNDBLP4 DT 503 JC-40 SUPER PRECISION BEARING 90-DAY
NSK AS0404FN526 4" Mega Torque Motor, 148290
NSK AS0404FN526, 4" Mega Torque Motor, 155022
NSK EX-D1A30A01-01, Amplifier Driver, 300W, 130-131, EXD1A30A01-01, 115336
NSK EX-D1A30A01-01, Amplifier Driver, 300W, EXD1A30A01-01, 130-131, 115335
NSK EX-D1A80A04-01, Amplifier Driver, E043XAIF1-001, 115337
NSK LAW35EL Linear Guide 020329
NSK LAW35EL Linear Guide 030426
NSK LC5X-7W MORSE TAPER LIVE CENTER TOOL HOLDER
NSK UCP210-115D1 Pillow Block Bearing, 1-15/16 in Bore
NSR164D INDEXABLE LATHE TURNING TOOL HOLDER, 52343
NT11S-SF121 Membrane Keypad Switch Keyboard for Omron NT11S-SF121
NT2S-SF122B-EV1 Omron DEMO HMI Keypad Screen Display NT2SSF122BEV1
NT30-ST131B-E Omron HMI Touchscreen Operator Interface NT30ST131BE
NTE RLY725 / RLY725 ()
NTO Cutler Hammer HFD2225, 225 Amp, Circuit Breaker AL/LO & AUX Switch
NTO CUTLER-HAMMER CIRCUIT BREAKER EGH3070FFB 70A 600V 3P 50/60HZ
NTO EATON CIRCUIT BREAKER HMDL3800F 800A 600V 3P W/MT3800T TRIPRRANT
NTO EATON CIRCUIT BREAKER PDG23G0070TFFL 70A 480V 3P
NTO EATON CIRCUIT BREAKER PDG23M0080TFFL 80A 480V/65KA 3P PDG2
NTO EATON CIRCUIT BREAKER PDG32G0600FNNN 600A 480V 2P W/ SHUNT TRIP PDG3XTFA2060
NTO EATON CUTLER-HAMMER CIRCUIT BREAKER PDG23M0225D2ML 225A 480V 3P
NTO SIEMENS CIRCUIT BREAKER 3VA130-5ED34-0AA0 HACR TYPE 30A 600Y/347V 3P 50/60HZ
NTO SIEMENS CIRCUIT BREAKER 3VA160-5ED34-0AA0 HACR TYPE 60A 600Y/347V 3P 50/60HZ
NTO SIEMENS CIRCUIT BREAKER BQD335 35A 480V 3P
NTO SIEMENS CIRCUIT BREAKER HEB3B015 15A 480V 3P
NTO SIEMENS CIRCUIT BREAKER HEB3B020 20A 3P 480V
NTO SIEMENS CIRCUIT BREAKER NEB3B020 20A 600V 3P
NTO SIEMENS CIRCUIT BREAKER QR23B150 150A 200V 3P
NTO SIEMENS CIRCUIT BREAKER QR23B225 225A 240V 3P 10KA
NTO SQUARE D CIRCUIT BREAKER BJA36045 I-LINE POWERPACT 45A 600V 3P 25KA
NTO SQUARE D CIRCUIT BREAKER EJB24030 30A 480Y/277V 2P
NTO SQUARE D CIRCUIT BREAKER EJB34100 100A 480Y/277V 3P
NTO SQUARE D CIRCUIT BREAKER FA36050 I-LINE 60A 600V 3P
NTO SQUARE D CIRCUIT BREAKER FH36030 I-LINE 30A 600V 3P
NTO SQUARE D CIRCUIT BREAKER HDL36150 150A 600V 3P POWERPACT HD 150RRAN
NTO SQUARE D CIRCUIT BREAKER HLA36060 I-LINE PowerPacT 60A 600V 3P/3PH***COSMETI
NTO SQUARE D CIRCUIT BREAKER LHL363501287 350A 600V 3P W/UNDERVOLTAGE/AUXILIARY
NTO SQUARE D CIRCUIT BREAKER QBL32225 POWERPACT 225A 240V 3P
N-TRON 716TX Port Industrial Switch
NUM 0204203035 G PROCESSOR CIRCUIT BOARD CARD MODULE FC200201934
NUM Power Supply 24VDC