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。
Allen Bradley 45LST-1LEA6-P4 SER A Optical Fork Sensor USA
Keyence CA-LH35 High Resolution Low Distortion Lens 35 mm
Tessco JMA WIRELESS TW-1412PPC Torque Wrench 1/2 For PPC Compression Conectors
Festo PBE CPX-2ZE2DA PBECPX2ZE2DA Module
Micron B050BTZ13RB Transformer 50VA
Pepperl Fuchs VSL-A Visolux BWS-T 220V 15VA 2A SHIPS
20BM11
Epcos B84143A0036R105 300/520V 50/60Hz 36A Power Line Filter
Viavi FFL-105 Ruggedized Visual Fault Locator VFL W/1.25mm Adapter Case
Westinghouse ELC3015R Current Limiter 15A
port ICN7735 Micro-Infinity 90-240V Temperature Controller
Reliance Electric SP120 S12-201P4LU AC Drive FRN 2.001 240V
North American MIP-ACB Blue Visual Cabinet Alarm Beacon Light
Keyence IV-500CA Vision Sensor Camera 24VDC 1A Class 2
Allen Bradley 160-BA10NSF1 3.73kW 5HP AC Drive SER C 380-460V
PepperlFuchs VSL-A Visolux BWS-T 220V 15VA 2A
Allen Bradley 1769-OB16P CompactLogix 16pt Elect F Sourcing Output
20AT2222 PLC Module W/X20BM11
1769-OB8 Allen Bradley CompactLogix 8pt VDC High Power Output Module
NON FCTIONING Allen Bradley 20AD3P4A0AYNNNC0 Powerflex 70 Missing Fan
Allen Bradley 700-HS12BA1 Time Delay Relay SER A 700HS12BA1 SHIPS
LISTINGAllen Bradley 700-HRS42TU24 Multi Fction Timing Relay SER C USA
SKF 11210 Self-Aligning Bearing ID 50mmX90mmX55mm USA
LEM LF1005-S/SP16 Module Power Supply
Allen Bradley 5094-OB16 Flex 5000 I/O Digital 16 Output SER A W/5094-MB Base USA
Banner MSA-PSA-1 Power Supply Board 115VAC
Westinghouse MCP431800CR Motor Circuit Breaker 150A 600VAC 3 Pole USA
Festo VMPA-FB-EPL-GU End Plate 533372
SMC ZSE20B-Y-01-W ZSE20BY01W Sensor
Allen Bradley 104-A09NJ3 SER A 24V SER B
Siemens 6GK7277-1AA10-0AA0 Simatic Commication Module Network
CR Magnetics CR4520-150 True RMS AC Voltage Transmitter 150VAC
Entrelec DL 10/175.SF Fuse Holder 690V 32A USA
ARO SD25-PBB4-280 Silverair Pneumatic Cylinder USA
W 3 3/8 M Nova Precision Bearing
Schneider Electric LTMCU Control Operator it 7VDC
20AI2622 REV H0 PLC Analog Module SHIPS
Schneider Electric LUCBX6BL Control it SHIPS
Allen Bradley 100-A18ND3 SER A Contactor 600VAC 18A
Keyence CONTACTOR SENSOR AMPLIFIER GT-71A
Gould NJ15U4W R.B. Dension Proximity Switch
Modicon TSX Quantum 140DDI84100 Schneider Electric 10-60V 8X2 DC IN
Pb 395770-B03 I/O Board
Banner Engineering K30APT2XGF2Q Light W/190291 Hardware Packet K30
Siemens 6ES7 132-6BH00-0AA0 W/6ES7-6BP20-0BA0 Simatic Digital Output Module
Allen Bradley 22D-D4P0N104 PowerFlex 40 VFD 1.5kW 2HP SER A 380-480V 5.7A
Parker B105-04BJC/M1 1/2 Integral Filter/Regulator
1769-IQ16 Allen Bradley AB CompactLogix 16pt 24VDC SINK/SOURCE Input Module
ALTRAN 4C C-3729-2 Audio Transformer Input 460V 50/60 Hz Output 230V 3.6 A
Dayton 4Z827D DC Speed Control 1/50-1/6 HP 115V 0-90V
Allen Bradley 80169-038-01-R CAPACITOR INTEGRAL RES 0.5UF Internal SHIPS
CAL 912.11C Series 9000 Micro Processor Based Temperature Controller
Fafnir Thrust 7214W 214K Bearing
ROSS R-106-35 Differential Pressure Gauge USA
MAC Valves Solenoid Valve 811C-PM-121CA-152 USA GC
Allen Bradley 1756-OF6VI /A ControlLogix Analog Isolated Output
Eaton 4719A88G01 Breaker Bucket MCC Operating Handle Mechanism Kit USA
ACME Electric CPS 30-12 Power Supply 30-12CPS 1150V 1.8A
Allen Bradley 1747-L511 SLC 500 Processor PLC it SER B
Allen Bradley 1747-L511 SLC 500 Processor PLC it SER B
Leuze Lumiflex CT30-750 BH3 Safety Light Curtain Compact Trnsmtr USA
Leuze Lumiflex CR30-750 BH5 Safety Light Curtain Compact Receiver USA
WNE 32/410b Circuit Board
Merlin Gerin MG25729 Circuit Breaker Multi9 C60HD D 16 415V
AB 1734-IR2 SER C POINT I/O 2 Point RTD Input Module 1734IR2
SMC CXSM10-60 Compact Type Dual Rod Cylinder Double Acting
Elobau 463121 Safety Relay Controller
Parker 14A11B18F0GF Pneumatic Lubricator
CSI 3S-E-2U-GF-BK-SS Sani Flow Pressure Gauge
ABB AF52-30-00-13 1SBL367001R1300 Contactor
ABB AF52-30-00-13 1SBL367001R1300 Contactor
Brad Harrison Daniel Woodhead E41663 Cable 5 Pin LL33361 USA
Parker 14A11B18F0GF Replacement Parts
FUJI ELECTRIC - FVR2.2E9S-7EN Dimmer Type FVR22E9S7EN USA
Square D FA34100 I-Line Circuit Breaker 100A 3 Pole 600V FA 100 A
Square D FA34100 I-Line Circuit Breaker 100A 3 Pole 600V FA 100 A
Keyence GT2-71P Intelligent High-Accuracy Digital Amplifier Contact Sensor USA
Allen Bradley 440R-S12R2 Guardmaster Safety Relay 1.5 Amp 250V
Allen Bradley 440R-E23191 Guardmaster Safety Relay SER A 24VAC/DC
1734-8CFG Allen Bradley AB PLC Module Point I/O SER C 5VDC 100mA USA
Omron E5CC-RX2ASM-800 Multi-Range Digital Controller
Dynamco D3533KL0 24VDC
Omron SYSMAC CQM1 Controller CPU43-V1 PA206 OC221 Modules
Keyence IV2-H1 Navigator IV Software Disc
Acme Electric Corporation DR3-2420 Switch Mode Power Supply 24VDC 20A
Lorain Products DRM101W Loop Dial Range Module
port Electronics ICN77353-C2 90-240V USA
LISTINGStellar SR22-09 Soft Starter SHIPS
PeppersFuchs NBB8-18GM50-E2-V1-Y68 Inductive Sensor 68 Krones 0-901
Allen Bradley 1764-MM1RTC MicroLogix Memory Module Real Time Clock SER A
Square D CRM-570 Class 8030 SY/MAX Series E 30608-502-55 5VDC 1A
Allen Bradley 42CB-D1LPAL-L2 10-39VDC SER B
GE Fanuc IC660BBA100 Genius IC660TSA100A Analog
GE Fanuc IC660BBA100 Genius IC660TSA100A Analog
QUAD TECH-QTI PPC 3000X PB055510 Interconnect Board
Allen Bradley 40122-950-015 Device Net Cables REV 11
Allen Bradley 854K-24TL6 Steady LED 24V AC/DC 33mA SER A
Allen Bradley 854K-24GL4 Red Flashing LED 24V AC/DC 28mA SER A
FluidFlow 2FT Valve USA
Allen Bradley 194R-J30-1753 Discot Switch SER A
Klockner Moeller t3-2-3542.64/ea/svb main panel Breaker Switch
RBC Bearings SFLG1040 Spherco HEIM
Allen Bradley 700-HR52TU24 Bulletin 700 Timing Relay SER C 24-48VAC 12-48VDC
FASCO 7126-4966 Blower Motor 230V .7A
SMC ZSE40A-W1-T Pressure Sensor Display Analog
20DO6322 DO 6322 PLC Output Module REV F0 SHIPS
MTR 1/4in MNPT USA
Mean Well WDR-240-24 Power Supply SHIPS
Mean Well WDR-240-24 Power Supply SHIPS
Eaton Cutler Hammer WMS2D07 Supplementary Protector 2 Pole 7A Breaker
Allen Bradley 100-KFA22Z Auxiliary Contact SER A
Omron E3S-R1E42 Photoelectric Switch Sensor
Smitec KZ010313 HMI A2 Control Panel
B004-1 Ethernet Switch
SPRECHER SCHUH D7M-LMP44MN5RX02 D7MLMP44MN5RX02 Complete Set USA
Corning 95-050-41 icam Connector Pretium 50 um SC Multimode/MM OM2 Lot of 7 US
Siemens 6ES7 221-1BF32-0XB0 Digital Input Module SIMATIC S7-1200 24VDC
Fluke Networks 2947-4011-01 MicroScanner Pro Cable Tester
Siemens 6EP3436-8SB00-0AY0 SITOP PSU8200 Power Supply 3AC 400-500V 12-1A
Allen Bradley 855T-B10FN4 Red Flashing Incandescent W/855T-BCB SER B
Allen Bradley 1747-AIC SLC 500 DH-485 Link Coupler SER B USA
Omron CQM1-OD213 Sysmac Programmable Controller PLC