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。
Boyce 80120000 Etm1000 Exhaust Gas Temperature Monitor 105-265v-ac
Dodge 133304 10 Wc Slve Split Thrust Collar
Parker 6.00J4MAUS19A42.00 Double Acting Pneumatic Cylinder 6in 42in 250psi
Fanuc A06B-6096-H105 Amp Svm1-80 Servo Amplifier Module
Shizuki TYPE 83 Capacitor 20.75uf 522var 1000v-ac
Fanuc A06B-0143-B075 Servo Motor 3ph 2.8kw 3000rpm 12nm 155v-ac
Tokimec D-DFG-35-06-2C-EX-250-63-2-21 Hydraulic Directional Flow Control Valve
Nachi RAX13C Servo Drive Amplifier
Nwl D20136-D D25290-01 D25291 Pcb Circuit Board
Micro Motion RFT9739D4SCA Elite Remote Flow Transmitter 85-250v-ac
Sonics Materials H540T Ultrasonic Processor 120v-ac 500w
Sonics Materials H-520 Hand Held Welding Controller 120v-ac 500w
Sonics Materials H-540 Hand Held Welding Controller 120v-ac 500w
Yaskawa HW9271054-30 Power Cable 30m
Foxboro P0400VP CMP10 Commication Processor Module
ListingFoxboro P0400VP I/a Series Cmp10 Commication Processor Module
Allen Bradley MPF-B320P-MJ74BA Servo Gearmotor 3ph 2hp 312rpm 3.05nm 460v-ac
odrive MDX61B0030-5A3-4-0T Mdx60a0030-5a3-4-00 Ac Vfd Drive
Allen Bradley MPL-A330P-HK72AA Rotary Servo Motor 2.4hp 5000rpm 37lb-in 240v-ac
Abb FEM325080E1G0W1Y1A1A0P1B0Y1F6M5 Electro-magnetic Flow Meter 793.1gpm 3in 300
Allen Bradley 440L-R4J1280YD 440L-T4J1280YD Light Curtain Set 24v-dc
Fanuc A06B-0266-B200 Servo Motor 3ph 4.5kw 3000rpm 22nm 270v-ac
Micro Motion 2700I12BBCEZZZ H050S322NCACEZZZZ Flow Transmitter 18-100v-dc
Yaskawa SGM-08AW16DP Servo Motor 750w 3000rpm 2.39nm 200v-ac
General Electric Ge 0243C0492G001 Breaker Elevating Motor 125v-dc
Fisher MR95H Pressure Regulator Valve 25-75psi 3/4in
1 Fisher MR95H Pressure Regulator Valve 25-75psi 3/4in
Pepperl Fuchs 1002-WPS-CI-YZ-RH Purge And Pressurization System Panel
Fanuc A06B-0128-B176-R A6/3000 Servo Motor 3ph 1.4kw 3000rpm 6nm 114v-ac
Gai-tronics 10959-101 Wall Mot Audio Messager 12-24v-dc
Red Lion 508FX2-ST managed Industrial Ethernet Switch 10-30v-dc
Bestobell S36DA/F84 Float Switch 300v-ac
Parker S063V2F12I20T40M11 Compax3 Servo Drive
Durr F08080019 ECOHT G500 1/2 Controller Module
Thermo Fisher STD513H Std 5000 Current To Pressure Transducer 4-20ma 3-15psi
Allen Bradley 1785-ENET Plc-5 Ethernet Interface Module
1 Allen Bradley 1785-ENET Plc-5 Ethernet Interface Module
Fanuc A05B-2490-C140#EAW Teach Pendant
Krones 5AP920.1505-K21 Operator Interface Panel
Cutler Hammer S801N37N3S Soft Starter 24v-dc 37a Amp 25hp
Krauss Maffei TFT300 Lcd Display Module
Parker CCJ1137B01 Solenoid Valve 120v-ac 3/8in
Phoenix Digital OCM-DPR-85-D-ST Fiber Optic Commication Module
Reliance 0-60002-6 Pcb Circuit Board
Belden 8521 002 Red Hook Up Wire 16awg 1000ft
Duct-o-wire FC-814 Flat-flex Cable 8c 14awg 125m 600v-ac Wire
Abb ACH550-PDR-015A-4 Ac Vfd Drive 480v-ac 0-500hz 0-480v-ac 10hp
Belden 8521 010 Black Hook Up Wire 16awg 1000ft
Belden 8521 006 Blue Hook Up Wire 16awg 1000ft
Weir T076A73713 Shaft Sleeve W/ Ris 9500
Belden 8521 004 Yellow Hook Up Wire 16awg 1000ft
Belden 8521 003 Orange Hook Up Wire 16awg 1000ft
Belden 8521 009 White Hook Up Wire 16awg 1000ft
Houston Wire Cable P-07-KA14001-MSHA Soow Wire 4c 10awg
Yaskawa NPP01B Motoman Teach Pendant
Allen Bradley 808-J2 Speed Switch 15-80rpm 600v-ac
Rexroth 4WE6D51/BW110NK4V Hydraulic Valve 120v-ac
Kennametal KR32AVS2B115MCLB Romicron Avs Head
Cable Computer Technology 652810006-101 Pcb Circuit Board Rev A3
Atlas Copco LZB33-L-AR004-11 Rotary Vane Air Motor 1/4in Npt 360rpm
Omron NS8-TV01B-V2 Interactive Display 24v-dc
1 Omron NS8-TV01B-V2 Interactive Display 24v-dc
Red Lion GEM2 Coter 115/230v-ac
Honeywell 09806710 Controller Module
General Electric Ge 531X305NTBANG1 3tb Card
Foxboro D0140JF-B L0113XQ-01 Panel Interface Board
Schneider 140 DII 330 00 Tsx Quantum Digital Input Module
Microscan FIS-6801-1410G Qx Hawk Fixed Mot Bar Code Scanner 5-28v-dc
Cable Computer Technology 652810007-101 Pcb Circuit Board Rev A3
Foxboro D0140JF L0113XQ-A Pcb Circuit Board
York 029-13450-000 Compressor Shaft Seal
Honeywell 05410201 Measurex Pcb Circuit Board Rev A
Cutler Hammer 2018A40G02 Bridge Rectifier 250v-ac
Bently Nevada 3500/42 140471-01 Prox/velom I/o Module
Novatech 103325-C Ammonia Nh3 Ppm Gas Monitor Module
Bailey IMASI13 Symphony Analog Input Module
General Electric Ge 531X307LTBAKG1 Lan I/o Terminal Board
Yaskawa JAMSC-B2803V Memocon-sc Position I/o Module
Abb TPSTU02 Infi 90 Turbine Protection Termination it
Flexlink XHEB 0 HRA End Drive it
Flexlink XHEB 0 HLA End Drive it
Westinghouse 149D988G01 589c958 589c974 Wta Voltage Regulator
Millennium Control Analytical Systems Pressure Control System
Hoffman CSD8SS Stainless Enclosure 20in X 20in X 8in
1 Hoffman CSD8SS Stainless Enclosure 20in X 20in X 8in
Endress Hauser 53W1F-HL0B8R35BAAA Promag 53 Flow Transmitter 85-260v-ac
Fuji FRN005G11S-4UX Ac Vfd Drive 380-480v-ac 0.1-400hz 380-460v-ac 5hp
Fisher 27A3932X012 Plug/stem Assembly
Iai XSEL-J-2-400I-200I-DV-EEE-0-2 Robot Controller
Atlas Copco ETV ST61-70-13 Nutrner 1/2in Drive 1200w 475rpm 57.9nm 200v-ac
Mitsubishi GT1562-VNBA Got1000 Graphic Operator Panel
Imo 3535/083 AA3G/NVINCA143SC Hydraulic Screw Pump 1-1/2in Npt
Square D 8810 SEO2 Size 3 Multi-speed Starter 120v-ac 50hp
Gardner Denver 8503305 Blower Gear
Fisher 34A2070X012 Primary Valve Plug
Fanuc A06B-0239-B500 Servo Motor 2.5kw 3000rpm 12nm 336v-ac
Mitsubishi HA80B-S Servo Motor 3ph 1kw 2000rpm 130v-ac
Curtis 1209B-5501 Dc Motor Controller 450a Amp 36-48v-dc
Voith IPV 4-16 471 IPV/3-/3,5 High Pressure Internal Gear Pump
Falk 0739783 1070t41 Cont Torque Assy W/out T41 Hub
Allen Bradley 20BD034A0AYNANN0 Ac Vfd Drive 432-528v-ac 0-400hz 0-460v-ac 25hp
Grdfos Mta60-180a-w-a-b Multistage Coolant Condensate Pump 16lpm 330w 480v-ac
Schmersal SLC440COM-ER-0890-14 Emitter Receiver Light Curtain Set 890mm 24v-dc
Red Lion CL200000 Operator Interface Panel
Automation Direct DP-C321 Direct Touch Panel
Mitsubishi AY23C Melsec Output Module
Automax AN-X-AMX Ethernet Module
Kraissl 72-37 Iron Twin Filter Strainer 1-1/2in 200psi
Rosemot 3301HA1S1V3AE0210RAE1M1C1 Radar Level Transmitter 11-42v-dc
Abb FEP325-100A1F1A1B0A1A0P1B0Y1AYJAF6M5 Processmaster Magnetic Flow Meter 4in
Fisher EZ 667 Dvc5010 Pneumatic Iron Control Valve 1in Npt 250
Rosemot 4847B61G03 Cell Replacement Kit
Moog 631F172F P60fofm4vbr Hydraulic Servo Valve 3000psi
Rosemot 4847B61G05 Cell Strut Wire Replacement Kit
Iai RCP2-RA10C-I-86P-5-200-P4-S-A2 Linear Actuator
Datalogic AV6010 A14M00045-3 In Process Barcode Scanner Camera Power Module
Iai RCP2-SA5C-I-42P-12-250-P1-N Robo Cylinder Linear Actuator
Mitsubishi HF-SP1524B Melservo Servo Motor
ListingMartin 38071 4.00 Hurricane Positive Qev Valve Cap W/ Piston Basket Sub Assembly
Rosemot 8711TSA030R1 Magnetic Flow Meter 3in 40v-dc
Krenz 102839.00 A4111NB35A Transformer Cooling Fan 1/3hp 28in 480v-ac
Sumitomo RNYMS01-133YC-80 80:1 Ratio 21.9rpm 3ph 1/8hp 230/460v-ac Gearmotor
Daikin EHU25-M07-AE-30-V-356A Hydraulic Power it 2lpm 4mpa 200/220v-ac
Abb YM222001-UC Pcb Circuit Board
Mitsubishi GT2715-XTBD Graphic Operation Terminal 24v-dc
Valmet NOVE S66 M0 K10287 V1.7 Sampler Valve
Apc AP5808 8-port Lcd Kvm Switch
Allen Bradley MPL-B640F-SJ72AA 3ph 8.2hp 1-1/2in 36.7nm 460v-ac Servo Motor
Basler Electric IFM-102 9324100102 Firing Circuit Chassis 120v-ac
Foxboro IDP10-DS1B01F-L1 Pressure Transmitter 0-200in-h2o 12.5-42v-dc
Tokyo Keiki Tokimec SQP3-25-1D2-18 Hydraulic Vane Pump
Fumex FA1-D Air Filtration Fume Extraction it 120v-ac
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