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
* SURP* SSC 80-211122-90 Rev B Sync Inverter Control Board 10Kva
Sew-Eurodrive DFY71S/TH 01.1831663701.0001.12 2000 RPM 400V
Baldor CEWDM3554Super-E Washdown Duty Motor 1.5HP 230/460V ~ ~
Sew Eurodrive SF72 DT80N-6 Gearmotor 266/460V .55kW 1045RPM ~ Rebuilt
Preowned Baldor VBM3558T Industrial Motor 2HP 230/460V W/ Stearns 76BK3100BPF
Liming VB312 Helical Gear Reducer w/IEC Adaptor Vertical Type Ratio 40:1
SMC MY1M40-600H / MY1M40600H 116PSI .8 MPa ~
FCATORY REPAIRED- AESSEAL C.D.F.I 3.250-26 Mechanical Seal 3AOSSCZ26K9V07W
Dorris Double Reduction Base Type Gear Drive Model 2838 36.2 : 1 Ratio
General Electric Differential Voltage Relay 12PVD11C13A 150V
Ingersoll Rand 39875133 LCD Module Wide Assy Powertip PG24064E-PM
Conair UTB-120 Universal Terminal Box 120Vac & Cordsets
Omron B7AP-S1C Power Coupler Proximity Sensor 24Vdc
Emerson CONTROL TECHNIQUES Unimotor Servo 089EDB400BAEBA 8423005
Bauer BS10-22H/D06LA4/AM Gearmotor 3~Ph 480V 0.25kW
GE Multilin RMIO-HGGXX Remote Monitoring Module
Spirax Sarco BRV2S 1"Npt Pressure Regulator 1.4-4.0 BARG 0459490 +
GE Fenuc IC660 TSD021K 16PT SINK Terminal 24/48VDC +
Allen Bradley 150-A24NBDA Series B SMC Plus 24A Smart Motor Controller 3PH
XANTREX XFR 35-35 DC POWER SUPPLY 0-35V 0-35A
Agilent Technologies 5068-0029 Stator 2 Position/6 Port 1200 Bar CTC
Efdyn Shock Absorber ARFB 4x6 LA 87 98
Reliance P21G4902 Electric Motor 7.5Hp 230/460V 213T 1760rpm
Old Stock Flender Gear Reducer 161 402 041-2-2 N1 1500/min T2 320/nm
VACON Motor Drive NXS00075A5H1SSSA1A2000000 Power Unit PA000755H1SSS
Continental Contitech Goodyear Gearbelt Pulley O-112S-M 1200rpm 112 Grooves
4KVA Isolation Transformer 480V Primary 220V Secondary Step Up/Down Transformer
Enerpac W0D40106354004 Hydraulic Block !
Enerpac F1783950-10 Hydraulic Block !
Pacific Floorcare B-1500 Electric Floor Scrubber 20” Head 115V
GE Fanuc Interface card IC640WMI910C !
CTI Control Technology 901F-2550-A Isolated Analog Input Module
KAHN 75-400F1263 1/8" NPT, -100/+20C, Iso. Analog Imput, Cermet 2 Sensor
Piramoon Technologies Fiberlite Fixed Angle Rotor F15-8x50C 15,000RPM 26,200xg
Eppendorf 022665731 LP 5424 PCB 5424 Converter 120V F/5424
Perkin Elmer Zodiac Interface SCSI N069-9234 +
Freund Vector Spray Gun Assembly Sub/needle HCC-7699-1.2
OEM KEB 00.58.029-0049 FA-NR. 00366974 PCB Board
ARO 66610B-8AB-C 1” Pro Series Diaphragm Pump 120PSIG 8.3 Bar ~
Perkin Elmer N069-9234 Issue E PCB F/S Zodiak Interface SCSI
DOA Perkin Elmer N0777898 SC Carriage Upgrade Kit 16” - SC-2/4 DX Autosampler
Festo VIMP-04-D-2, MUH-ZP-D-2-24G, VL-5/2-D-2-FR C, VIGK-04-D-2-NPT Rack Assy
ARO 66610B-8AB-C 1” NPT Diaphragm Pump 120PSIG 8.3 Bar Rebuilt
Formsprag FS-200/1.125LH CL4009-2LH 0908 Left Hand Overrunning Clutch
Maple Systems OMR460A-004 Message Display Unit
Cognex DVT545 High Speed Vision Sensor 620-1004 w/ Fujinon HF16HA-1B
Peltier Cold Plate Unit THG K4 61006295 ||+
Fisher Controls F29588 12" Butterfly Valve Disc CF8M J10365X0022 +
Preowned Sauer Daikin Systemtechnik GMbH JV8A1RX10S4
! Data Logic DP150 Operator Interface Panel !
GE FANUC IC600CB511K !
WESTINGHOUSE 7379A06G02 3A99160G02 6QCI1 PCB
Rexroth Indramat MHS095C-058-AS1-BNNNNN Permanent Magnet Motor ~
Herma Labeler Feeder Roller Plate Assembly 12” Diameter *+Value*
PREOWNED FLATPLATE HEAT EXCHANGER FP10X20-30 (2-1/2" MPT) 450 PSI
Polytec GmbH Model PL-610P 230V
Bulling Metal Works S/N 18695-4 SS Vortex Finder
Emerson Rosemount 3900-02-10 Ph Sensor Accuglass
! OEM Komatsu PC160-150 Excavator Cylinder Rod 3151569R92
Control Technology Inc. 901B–2562 Fast
Porter Instrument 251RSVC Thermal Mass Flow Controller
SMARTSCAN 51832AP 24V DC .5A Detection Light Curtains 022G376 71” & 75”
Festo VL-5/4-1/4 Double Pilot Valve 4574
BOX OF 12 Burkert 6525 H 4.0 Solenoid Valve 00186271
031-01093-000 York Controls Control Board ⚡️
General Electric 5” Bore 5” Length Babbitt Split Motor Bearing CDN019L
Aceco 1547648 Hitachi IDX 2M121A Hitachi Etching Machine Quartz Bell Housing
Shimadzu Corporation TMP 280-L FBC142 Turbo Molecular Pump Hitachi Etching
Bosch 06F903023F-AT Generator 12V 140A VW06F903023F-AT
Westinghouse PCA-611 Portable Combustion Analyzer
FANUC ROBOT WRIST ASSEMBLY S-430i F S430IF
Siemens 1FT5066-1AC71-4EB0 3~Brushless W/Brake Encoder
Siemens 1 FT5066-1AC71-4EB0 3~Brushless W/Brake Encoder
Yokogawa AV8C Zirconia Oxygen Averaging Converter
Yokogawa K9296CA Channel Module
Prominent Sigma Fluid Controls Metering Pump S1BAH12035 PVTS070S000
Dargang DG-200 11TH DGM211 0.5kW 110-240V Vacuum Blower ~
PERKIN ELMER B0098258 CONTACT CYLINDER REMOVAL TOOL ||+
Alpha Technologies Pinnacle Plus 1500 Power Supply 208-240V
Republic HRC101 0.5kW 115-230V Vacuum Blower ~
Multisorb Technologies Belt Drive Assembly 05-DA100-101-00
Bima QCAE-VI 80B4 0.75kW 230/400V 1400RPM ~
Bima QCA-VI 80B4 0.75kW 230/400V 1400RPM ~
Redkoh Industries RK2307 Can-Transceiver RS232(50’Max)
Advantech CTOS D-UNO-2059-S4 Router BMS 256 Bacnet
* TOLOMATIC Actuator MXE Series Config: MXE25PBN08SK1.500RFL
Thomas & Betts S1750FT-0 Braided Expandable Sleeving 1-3/4" I.D. 200Ft
Leser 4834.7704-COCO 1" x 1.5" SS Safety Relief Valve
BUSSMAN FUSE 15.5KV 50AMP 60HZ MAX MTG. SIZE D CAT# JDN 50E 19" LONG
Spirax Sarco 61042 CI 25MP Direct Operated Pressure Regulator
Vickers EHST-3-FVF-30 Proportional Valve With Integrated Electronics
ANRITSU WEIGH CELL 84Y162200A *+ PED*
Sailor OE-2867 Robotic Contoller w/ Cordset Serial No. 1 3Ph 200V 20A
Metso Distributed Processing Unit PDP403 181580 DPU Rev. C/C
Continental Contitech Synchronchain CTD14M-4410-125
Flowserve Brass Impeller 07980037-01000 For Worthington 8LN-14 Pump 14”
Ametek Drexelbrook 700-0207-004 Series Sensing Element PXLX Remote Series
Caterpillar CAT 576-3847 Harness AS
Baldor MT-7010-CLYDN Permanent Magnet Servomotor 17.5A 4000Rpm
*PARTS/REPAIR* Revcon DC 90-460-200-1-115 Vac 3x440-480Vac 113A Power Supply
Hach Pro Series PRO-P3 PH Transmitter w/ Display
*PARTS/REPAIR* Lot Of 2 Lust VF1410M,C2,S32,G16,BR1,B24,PT1s V109.3
Pall Advanta ALTD13G54633 Stainless Three Sixteen L Filter Housing 1.36Gal
Ross 2773A6874 Hydraulic Valve 2-10 Bar 1-1/4"
*PARTS* Siemens 6AV6 644-0AC01-2AX1 MP 377 19” Simatic Multi Panel Touch Screen
Toshiba VT130H9U4400 Transistor Inverter 40Hp Speed Drive
Cognex DVT545 High Speed Vision Sensor 620-1004 w/ Tamron 20mm Lens
For Parts KIKUSUI SUNNY ENGINEERING PCD-2 CONTROL PANEL PCD-2
Perkin ELMER GC-Column Elite-MTBE, 30 m, 0.45mm, 2.55 Film 35C-280C
Millipore VBKG005TC1 Viresolve Barrier Capsule 0.05 m²
Branson 921AO Actuator ~
Pneumatic Vacuum Gate Valve 11-1/2” Diameter !
!! Perkin Elmer Elite 1301 N9316216 60m x 0.25mm x 0.25um df
Sonics & Materials Inc Ultra Sonic Welder Power Supply FD 1520 1500 Watts 230V
Bima QCAE-VI 90L12 0.5kW 230/400V 400RPM ~
Dodge Tigear 2 35Q30L14 Reducer Ratio 30:1 Right Angle Left Hand
MORSE PB-6A PB Series .750B RH Clutch 172794
*PARTS/REPAIR* Mita-Teknik a/s Windpower 3000 Wind Turbine Controller System
Perkin Elmer N8152678 Rev A P7 Fast Valve CTFE Stator & PFA Rotor NexION
Banner LG10A65NIQ L-Gage Laser Displacement Sensor LG10
Winsmith E35XDNS3X000FT 50:0 Ratio 2.4HP 3753 Torque SE Encore Speed Reducer
Moore Ind 15738-120 Digital Single Loop Controller 352BB11NNF
Valmet Automation EL-TUNE C Calibration PLC Module
Perkin Elmer N8145142 MicroFlow PFA-50 Teflon 50ųL/Min
Perkin Elmer 61002299 Reagent Cooler Unit_2021
Perkin Elmer N069-1004, NO810124, NO811034 A, 069-1131 B ?
Balluff BTL2-A11-0075-B-KA05 Transducer Micropulse Linear
Duff-Norton LM10409-417 10 Ton Screw Jack W/ SKA6000CT10 Limit +!
Eaton Cutler-Hammer RWTCHR1 Reflected Wave Trap Nema 1 208-600V
Sprecher + Schuh PESC-64-240V Hydraulic Elevator Softstarter Series PES
Vickers Hydraulic Pump V2010 1F8S2S 1AA10 A910LS
Toyooki Kogyo HGD2H-B01-SD-025C-D2 Solenoid Pressure Reducing Valve