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
ABB SYNPOL CMA 36 PCB CARD GVT 360 5797 CMA 36-1
ABB SYNPOL CMA 36-1 PCB CARD GVT 360 5797
ABB SYNPOL CMA 37 PCB CARD GVT 360 5798 CMA 37-1
ABB SYNPOL CMA 40-B MODULE GVT 360 8493
ABB SYNPOL CMA 51 GVT 360 5976 PCB CARD CMA 51-2
ABB SYNPOL CMA 51 PCB CARD GVT 360 5976 CMA 51-2
ABB SYNPOL CMA 52 PCB CARD GVT 360 5977
ABB SYNPOL CMA 52 PCB CARD GVT 360 5977 CMA 52-1
ABB SYNPOL D CMA 120 BASIC CONTROLLER PANEL UNIT
ABB SYNPOL D CMA 120 CONTROLLER PANEL WITH CMA131 CMA135 CMA132 CMA136
ABB SYNPOL D CMA 122 PCB CARD 3DDE 300 402
ABB SYNPOL D CMA 124 PCB CARD 3DDE 300 404
ABB SYNPOL D CMA 126 PCB CARD 3DDE 300 406
ABB SYNPOL D CMA 131 AE2 SERVO-MOTOR DRIVE ENCODER MODULE
ABB SYNPOL D CMA 131 B SERVO-MOTOR DRIVE ENCODER MODULE 3DDE 300 411
ABB SYNPOL D CMA 132 GENERATOR RELAY TERMINAL BOARD 3DDE 300 412
ABB SYNPOL D CMA 135 TERMINAL BOARD DIESEL 3DDE 300 415
ABB SYNPOL D CMA 136 PCB MODULE
ABB SYNPOL D CMA 140 GENERATOR CONTROL AND MANAGEMENT DISPLAY PANEL 3DDE 300 420
ABB SYNPOL D CMA120 AE3 PCB CARD
ABB SYNPOL D CMA125 PCB CARD 3DDE 300 405
ABB SYNPOL D CMA127 PCB CARD 3DDE 300 407
ABB SYNPOL D CMA135 TERMINAL BOARD
ABB T200DU200
ABB TB801B PCB CARD 3BSE020516R1
ABB TC514V2 TWISTED PAIR/OPTICAL REPEATER MODEM 3BSE013281R1
ABB Teach Counterpart Display Unit ITEM: TPU2
Abb Teach Pendant Display Unit Item: Tpu2
ABB TEU 315 EX TRANSMITTER FOR TEMPERATURE EX-84/2123 X
ABB THERMAL RELAY 1 TO 1.4A T25-DU-25 T25 DU 25.
ABB TP 180IA PNEUMATIC TIMER 10…..180S
ABB TP40I
ABB TZIDC DIGITAL POSITIONER V18345-1021151001
ABB TZIDC V18345-2010260501 DIGITAL POSITIONER REV 3.00 IP65
ABB TZIDC-200 DIGITAL POSITIONER V18348-20113200110 SOFTW.REV.3.00
ABB UNITROL 1000 AUTOMATIC VOLTAGE REGULATOR 3BHE005774R0003
ABB UNITROL 1000 VOLTAGE REGULATOR 3BHE014557R0003
ABB UXAB269320948 MOTOR OPERATOR, SUPPLY VOLTAGE 200/250V DC 50/60HZ
ABB WIKA 7959111 VALVE BLOCK FOR TZID C DIGITAL POSITIONER - LOT OF 4
ABB XC08L1-C04 I/O EXTENSION MODULE 1SBP260102R100
ABB XC08L1-E4.0 I/O EXTENSION MODULE 1SBP260102R1001
ABB XK08F1 EXTENSION MODULE 1SBP260104R1001 A3.0
ABB XM06B5 ANALOG INPUT OUTPUT EXTENSION MODULE 1SBP260103R1001
ABB XM06B5 ANALOG INPUT OUTPUT EXTENSION MODULE XM06B5-H11.0 1SBP260103R1001
ABB YB161102-AE/7
ABB YYT 102A
ABB ZAMECH-MARINE ERS3 REMOTE CONTROL PCB MODULE ERS-3/2
ABB ZG 6401
ABB ZS70 SCREW CLAMP TERMINAL BLOCKS - LOT OF 21
ABB ZS95 SCREW CLAMP TERMINAL BLOCKS - LOT OF 17
ABTECH TYPE SX 45 INTRINSICALLY SAFE ENCLOSURE SIRA99ATEX3171X
ABUS ZRV-A AN8805
AC AIR COMPRESSOR
Ac Motors Three-Phase Motor Aca 80 A-4/He - 0.55 Kw
Ac Motors Three-Phase Motor Aca 80 B-4/Phe - 0.75 Kw
Ac Motors Three-Phase Motor Aca 90 L-4/Phe - 1.5 Kw
AC motors three-phase motor ACA 90L-4/PHE - 1.5 kW
Ac Servo Drive Controller Ds100s-40m-24v
Ac Servo Drive Controller Ds100s-75-M-24v
ACAL CN-ATL11
ACCU-SORT SYSTEM MODEL-30
ACDC DYNAMICS FR1 OVER & UNDER FREQUENCY RELAY MODULE
Ace GS-22100-CC-800N-VA-K39555 Shock Absorber A17-50135
ACEZ 26495 RTD TEMPERATURE SENSOR
ACEZ 26497 RTD THERMOSTAT TEMPERATURE SENSOR
ACL ELECTRONIC 711779 PCB CARD
ACME TRANSFORMER, TA-2-81215, 500VA, Transformer for Royal Master TG12X3, 2078
ACOZ 6739805XD-2C PCB CARD 6739805XD-1C
Acs Conductive Probe Relay Type: Sra-100-U0 / *20..253V AC/DC
Acs Digital Current Loop Sb-1001ce-2 Servo Drive Control
ACTION INSTRUMENTS Q500-4B00 FOUR CHANNEL LOOP POWERED CURRENT ISOLATOR
ACURITE 5-IN-1 WEATHER SENSOR
ADATA ICFS314-030GK
Adept Smartcontroller CX - P/N 2000-08675
ADLINK PCI-7230 32-CH ISOLATED DIO PCI CARD 51-12003-0A40
ADOS GmbH GTR 196 GAS TRANSMITTER WITH CURRENT INTERFACE
Adult only item - Requires verification
ADVANCE ELECTRONICS LTD. HDC 250/7
ADVANCE PRODUCTS CORPORATION IC4001
ADVANCED INSTRUMENTS GPR 2600 OXYGEN ANALYZER
ADVANCED MOTION CONTROLS B25A40ACK BRUSHLESS SERVO AMPLIFIER
ADVANTAGEECH TOUCH SCREEN Type: FPM-2150GB-RE incl. many accessories
ADVANTEC POWER SUPPLY UNIT
ADVANTECH ACP-2320MB 2U RACKMOUNT CHASSIS REV A4
Advantech ADAM-6050 / 18-Ch Digital Input / Output Modules
Advantech ADAM-6050 / 18-Channel Digital Input / Output Module
ADVANTECH ARK-2121L FANLESS EMBEDDED BOX PC ARK-2121L-U0A1E
ADVANTECH ARK-3360F EMBEDDED BOX MICROCOMPUTER 12-24VDC
ADVANTECH ARK-6320 INDUSTRIAL PC ARK-6320-6M02E
ADVANTECH FPM-3191G-XCE INDUSTRIAL MONITOR WITH RESISTIVE TOUCH CONTROL
ADVANTECH PCI-1612U UNIVERSAL PCI COMMUNICATION CARD PCI-1612AU REV A1
Advantech PPC-L158T-R90-AXE 15-inch industrial PC (read description) PPC-L158T
ADVANTECH PPC-L60T DISPLAY PANEL
Advantech Touch Control Panel Type: TPC-60SE-E1 / *Win CE 4.2
Advantech Touch Control Panel Type: TPC-60SE-E1 / Win CE 4.2
Advantech Touch Panel TPC-110W / *TPC-110W-N31YA
Advantech Touch Screen Type: FPM-2150GB-RE including lots of accessories
Advantech TPC-62S SPS Touch Panel HMI
AE POWER FACTOR METER 0.5 - 1 - 0.5 COS Φ
AEC IP1500 UPS INVERTER
AEES 1005 6003791-01 WITH 828-03-01 PCB CARD
AEES 1022781-02 PCB CARD
AEG 271.111 249 GEAMOT 90 C SELECTION MEASURED/SET VALUE UNIT
AEG 272.301 118F PCB CARD
AEG 3AW01049AAAA01 GENERAL CHARGER DISPLAY MODULE FMV 1.34
Aeg 4P FI Circuit Breaker FPA 40/0.03-4 / *603408
AEG 8000022024 INTERFACE CARD 8000022025 REV 05
AEG 8000022377 INTERFACE CARD 8000022378 REV 03
AEG 8000022440 INTERFACE CARD 8000022441 REV 05
AEG 8000026783 INTERFACE CARD 8000022377 REV 03
AEG 8000040116 AE01
AEG 910-300-013 STARTER
Aeg Alu 200 Cpu 28 Kb E Type: 6728-042.244690
AEG ALU 200 CPU 28KB E Type: 6728-042.244690
AEG AM71ZBA6
AEG AM71ZCA4
AEG AM80ZAA6
Aeg Cegelec Control Set 029.069650 / 98N115126122
Aeg Control Board Card 029.053 673 / 98N620165114
Aeg Digital Edition Modicon DAP 112 N
AEG GSK6.61 ALTERNATOR AND SHIP’S MAIN PROTECTION UNIT 4684.2 V21
Aeg Modicon Micro 110 Cpu 622 00
AEG Thyro 1A 400-16H RL 1, Power Controller, 2000000981, Power Solution
AEM REGLER R10-KF AUTOMATIC VOLTAGE REGULATOR
Aer Statomat Brake Device Type: B 2235/25
AER Statomat Brake Device Type: B 2245/25
AEREVA DRYCOL MK8 CONTROL
AERIAL FACILITIES LIMITED 40-07243
Aerotech BM200-ES19087 BM-Series Brushless Rotary Motor, 4000rpm, 1.45Nm, 455W
AFA-MINERVA 121-003-030 HEAT DETECTOR
AFA-MINERVA 521(1/03230) T880 FIRE ALARM CONTROL PANEL BOARD 522(1/03231)