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
SVS-Vistek svs4022COGE-E00081 Camera w/ Schneider Kreuznach Lens
Panasonic MSS023A1XPM01 Position Driver 3~Ph 200-230V 200W
*Pre Owned*Foxboro A2045BH-J PC Board !
Perkin Elmer N9306808 Ultraclean Hi Flo Gas Filter Kit *+ *
Höllmüller Immersion Pump 09775/0707 Type HTP2 4.0/63 200/480V Dietz 5.4HP Motor
Reliance Electric 1326AS-B330H-21 Brushless 163570 2.1Nm 6000RPM
Bosch 0810060053 2/2 Screw-In Valve ~
Bosch 0811402019 Proportional Pressure Relief Valve ~
WEG Shark SS Washdown Motor 00758EP3ESS213TCFL 7.5HP 1760RPM 230/460V
* IN BAG* MDS SCIEX 1010305B INTERFACE MODULE 1004271 REV. B
Allen Bradley 1784KTS 1784-KTS ISA Bus PC Communication Interface Card
Tox Pressotechnik S4.100.12D-US Power By KRAFT-PAKET Cylinder~
Mete Nova ZG00013-00797 0-Ring Kit 5 Sets Male Post 40mm
Sew Eurodrive RF57 DT90L2 DFT90L2 Ratio 13.95:1 3HP 230/460V RPM3330
Jamesbury QP2C/M Quadra-Powr II 3/4" Valve CWP 1000psi
AesSeal SSE10 W2 Stainless Vessel 10L/2.64Gal
Boston Gear F72415B7G 700 Series Torque 900lb-in Ratio 15:1
Mete Nova ZG00013-00799 0-Ring Kit 5 Sets Female Post 40mm +
Arbo DO-200-DW-TS-PP-E-R-1.5-MV35 Corrosion Resistance Pump 1.5kW 12.0m3/h
Mercedes OEM Rear Differential Carrier 1243512501 ~
Iwaki Magnetic Drive Pump 3HP MDF-L423CFVX-D Series ~
Crane Ferguson MH2 12-F62-150-II-RH Index Drive
Asco Red Hat HB8214G030 Solenoid Valve 3/4" 100/110V 50/60Hz
Fuji Electric SIT-2-R-01 Memory Card Remote Base SIT-2-R
Summit USA HPH-1000-0265-A Temposonic Sensor
IRONMAN BMQ842-5-210-D GEAR REDUCER 5:1 RATIO 15.5 HP 2742 TORQUE
Exair 4" Model 6034 Adjustable Air Amplifier 250Psig Made
Delta Computer Systems MC 186/40 Rev. #2 EF Circuit Board
Teledyne TML41 NOx Analyzer Spare Parts Repair Kit 044600000
Yaskawa JANCD-NCP01-1 CPU Board ~ !!
Ace Controls A 3x5-C Shock Absorber ~
Markem Model 236M Hot Foil Imprinter Machine 115V ~
Perkin Elmer Zeiss Calypso Part N6490362 Reflector Assembly ?
Rexroth R480157238 Rodless Thrust Cylinder 8-bar SI:150MM
Wave Cyber WAVE-450P-8 8” Membrane Pressure Vessel Bladder
!! Ohaus 80850110 ASTM Class 6 Weight Set 500mg-1mg Cyl.
Foxboro P0926KH 0A RY09511311 Vertical Din-Rail Baseplate
Mitsubishi NF400-SP 300A 3P No Fuse Breaker NF400-SP-3P-300A
* SURP* Duff Norton M5802-223 Anti-Backlash Actuator MEWAZ00Z03BAD
ANDERSON SANITARY MINI TEMP TRANSMITTER CT35071C001105, 0-100°C ⚡️
Boston Gear F726-40N-B5-G Series Wo
Siemens 545 714 MBC - Modular Building Control Power Module
Dienes Shear Cut Knives 245A429D01003
* SURP* Duff Norton M5802-65 Anti-Backlash Actuator MEWAZ00Z03BAA
* IN SEALED BOX* Shimadzu 228-32252-94 Pressure Sensor Assy
CREVIS NA-9289 FnIO-S Modbus TCP Network Adapter 10M~100Mbps
Valmet FGV2001 Clothing Guide Valve Push To Open
Fincor 5201P1 Adjustable Frequency AC Motor Control 230V +
Elwood Gettys 121-174-200 AC 1.73Hp 4500Rpm 40.0LBIN
Perkin Elmer N5203030 PCB TGA4000 Main Control Board
Dayton 4Z129B DC Gearmotor & Adjustment Sorter Indexer
PREOWNED- Yaskawa AC SGMP-02A314DP 200W 200V 2A 3000RPM Ins. B
STEC SEC-4400MC-UC Mass Flow Controller CH3OH 200 CCM MFG# 2447479
Moeller NZM4-25 Circuit Breaker 3-polig 16-25A 160-320A
Omron C200H-CT021 Counter Unit 12-24Vdc Output 5-24Vdc
Heidenhain ROQ 424 512 27S17-E0 631 702-21 Rotary Encoder ⚡️
Dionex 055648 Injection Valve PM Kit LC10/20/30 FT Front Loading +
Microscan A1-20923-2 Barcode Scanner Interface SPS55S8-1039 +
Ogura Clutch OPC 15-01 DC-12V Serial No. G-I
Cole-Parmer 7520-50 Masterflex Console Precision Drive & Masterflex 7536-04 Pump
Perkin Elmer N8122413 Rev A 1.5mm Quartz Injector for NexION
Rees R930CUD16A R90 Series MK3 Lighting PSU 10-M707115-10 LPSU
- Peppers + Fuchs KFD2-STC4-EX2-Y229428 Smart Transmitter Power Supply
Taco C17-0050 Multi Inlet/Outlet Air Pressure Regulator
Gemü 311-XV-3025197 2043320 Valve Body & 4222 AH84 Actuator
Fisher Controls 298TEK 1 1/2” Mount Back Pressure Regulator !
Beckhoff C1300 Homatic VME-Bus I/O Interface 4-086-05-0287
Thermo Scientific 164454 Acclaim PepMap RSLC 1mm x 5cm C18 2um
SMC MXQ20-40C-F9BWL Guided Cylinder Slide Table 20mm Bore 40mm
Keyence CA-DRW10X Lumitrax White Ring Light Vision System
PREOWNED-Erhardt Leimer PD 2335 Nr. 361848 F=1,5KN Load Cell ||
Biocolor Life Science S1005 Sircol Dye Reagent 3x110mL
Technocheck Valve 6"-150 Check Valve 6.0 DPW 36 36 V 36 A15 RF
GE Panametrics MTS5-351-10 Moisture Target Meter Series 5
* FACTORY SEALED BOX* Koyo 4016TF5LC3-660B Ball Screw 120098
ABB Kent Taylor KSC2N1422060230 Differential Pressure Transmitter
Parker PHS50N-2 Park-Heat Heater 3x200-3x230V 50/60Hz 6550W 17A
Simplex SLK 3/13 (3,5/5) Cevlar Power Lift Air Bladder 3 Tons
Perkin Elmer B4000025 PTFE/BUTYL Preassembled 10 Packs Of 100
Asco ISSC8314B301 Red Hat II Solenoid Valve 24Vdc 1/4"
General Electric IC694TBB032D High Density Terminal Block 300V
Leser 4394.2894 Safety Pressure Relief Valve G1/2" 58Psi 4Bar
Honeywell 620-3691C Rack Chassis PLC 11/14/16/36 Aug Rack 4 OS 19"
Yaskawa JANCD-JCP02B-1 Rev D01 DF9201922-D0 JCP02B Board
Denso 411001-0060 Wiring 1 Harness Kit
IKA R062511 Rotor Superfine 8SF 316SS DR2000/5
Waters Quality Parts 700000351 Card 96 Pin Extenders PLCZ L220212A 68029
Eaton Vickers CVCS-40-C3-W-250-20 Slip IN Cartridge
Rexroth R900591664 4WE 10 D33/0FCG24N9K4 Directional Valve 24V
Perkin Elmer Interface Assembly W1033978 For Repair Or Parts
*PARTS/REPAIR* Mitsubishi FR-A520-5.5K-NA A500vInverter In: 35.5A 3Ph Out: 10Hp
Euchner TP3-4121A024PG Safety Switch [MISSING END]
* IN FACTORY CASE* PCB Piezotronics 112A22 Pressure Sensor
SMC MXQ16-75BT Slide Table Guided Cylinder Dual Rod 16mm Bore
Fristam 1428610132 Pump Housing 352 2" Clamp 316L 20Ra
Allen-Bradley 1771-0AD Output Module 12-120Vac Output Module 10A +
SKF 1693502 Oil Seal 430x480x25 HDS2 R Nitrile Made
*REMANUFACTURED* Delta Power D41 Hydraulic Pump 7/8" Shaft
Adept Technologies 10332-12350 SIO Interface Board
[2] Millipore GMP1000 1091629 Magnetic Mixing Head 316SS 10FBZ
GE PLE3ESDG02 Power Leader EPM 277 Vac 50/60Hz 10A Power Meter
Moore Industries IPT2/4-20MA/3-15PSIG/20PSI-FA7 [DIN]
Kunkle 910BEDM01AJE 3/4" Relief Valve 125 PSIG 68 GPM
Skan A Matic S35201 Clarostat Photoelectric Sensor
Universal Flow Monitors MN-ASB20GM-10-1000.9-A1WR Flow Rate Indicator
Forkardt US Machining E3919AD03 M14614 100829CK001
Libra 146656-185 Rev 7 Sterilizer Control Board
Rosemount 1153DB5RJ Nuclear Pressure Transmitter
UFM MN-FTE10GMV-12-32V1.023-A0NL Flow Meter Monitor 0-10 GPM
Mazak K16ZA000211 Sensor STM82ATPB-01-01
Limitorque SMB-000-5 Gear Box Assembly Mobil 28 10443
Foxboro 75MCA-PDEFD Flow Rate Totalizer
Wittenstein Alpha Gearbox LP 120W-MF1-5 A52 A51-0001041⚡️
EMERSON DXE-208CB 240VAC 3A .47HP, 960106-13 A1
Domino 118733/DUK L014933 Shaft Encoder Kit 5-24V
Ingersoll-Rand Genuine OEM 31316490 D10 Unloader
Telerob Control Panel Ironman Bedienpult Iron Man Robot Controller ⚡️
Siemens 6ES7 153-2BA10-0XB0 DP Slave Interface Module
* RUSTY SURPLUS* Nexen 820362 Shaft Mount Friction Brake TSE-600
ABB TBX557J1D3200T100 Insertion Ph/Orp Sensor 3K TC 100/40Psi
John Crane SB2-5.000-QRMN-302581 Cartridge Mechanical Seal
Allen-Bradley 20AC3P5A4AYNNNNN Ser A PowerFlex 70 400V AC Drive
Ross 2773A6884 Hydraulic Valve 110/50 110-120/60
Crosby Group 1016668 HR-125M Hoist Ring Swivel M24x3.00x80
Biesse Selco #2 Pinion and Roller Kit
Endress Hauser FMU90-R11CA212AA1A Prosonic S Transmitter
Shimadzu 228-45738-91 SWA Field Kit LC-2010
Gardner-Denver 2BA, 2B150A & 2K2A Nut Runner 2ZA90
Image Industries Checker w/ Wire Cables & !
Yokogawa YA43F-SBS8/FMF1/TBL/BR1/COM-B/DFS Transmitter 200Psig
Fluxdrive FDC-6 Magnetic Shaft Coupling 1.125" Shaft
Parker D3W20BNYKZ56-32 Solenoid Valve 110/120V 5000Psi