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。
Belgas P-50 P05000203500000 Marsh Bellofram P05000203500000S Regulator P050
GILMORE CHECK VALVE 25101 REV-G 3/4"NPT PAT.4,793,590 105635 MWP.5K
Albatross 37766557 A PCB 37766532 A TBSL Power Adapter 37767464 B tbsl RS422
ARMSTRONG 6LD BALL FLOAT TRAP ORIFICE:9/16 FLOT WT OZS:28.2 MAX OP PRESS:95
ACOPIAN RD24G7 REGULATED POWER SUPPLY
SKINNER VALVE H9-109 LINE PRESSURE 0-200 PSI / H9109
Circle Seal Controls 2204-300P4CC1S Rev N/C Atkomatic Valve Size 3/8
Casappa KP20.23S0-07S5-L0F/0C-N-(ANF)- Hydraulic Pump KPS007S5L0F0CNANF
Hubner HOG 10 DN 1024 I Incremental Encoder UB=9-30V
Appleton KPBR175PMT Ballast Housing M-152/E/S Lamp 175W Mercmaster III MM3
Yuken DHG-06-3C2-5090 Directional Valve DHG063C25090
Caloritech CXS2612-01 23KC001-FE001 Heater 230V 1PH 2kW
Cutler Hammer 2120A07G13 DPM Contactor 1250Amps 1000VDC
Square D LAL36300 Circuit Breaker LA 300A 3P 600VAC 250VDC
Cutler Hammer 2120A07G09 DPM Contactor 1250Amps 1000VDC Coil 2114A92G09 74VDC
Cutler Hammer 2120A07G13 DPM Contactor 1250A 1000VDC Coil 2114A92G14 110/115VDC
Martin Decker Totco 212372101 Cylinder Assembled Piston And Stem
NOV 20028052 Connector Cable For Turbine Flow Meter
Allen Bradley 2711C-T4T PanelView C400 panelview Component 4-Inch Terminal
Stamford AVK QPF-V5 Power Factor Regulator 80346037-004
Rosemot 2088 G4S22A1E5 Pressure Transmitter 0 To 4000Psi 10.5-36Vdc NOV 223184
Alerton 715000900 BCM-MDBS Module BACnet-compliant gateway to a Modbus
Honeywell 900A16-0101 HI Level AI 16 CH ControlEdge 900 Plateform 50008235-001
Allen Bradley 509-DOC Full Voltage Starter 575-600V 60Hz
Williams LD200-316-TFE Low Pressure Diaphragm Metering Pump With MARK XIIA Pneum
Orlaco 0171110 Camera FAMOS 118◦ NTSC
Leine Linde CHI 703 1079944-01 Encoder 4.5-30VDC Out 1024 ppr HTL
Merlin Gerin C630L Circuit Breaker 3P 690V~ 150kA 380/415V~ 150kA 250VDC
Hawe GR 2-3 Solenoid Operated Directional Seated Valve Schienle 11 9395062A2 24V
Quincy 125657-005 Thermostat Valve 162S 180 Deg 250 WP Temp J80
Silvertech STSAP021 Circuit Terminal Board 16Channel Digit AP021-DI
Sprecher Schuh CEP7-EEHF Over Load Relay CEP7EEHF
International Power Equipment Corp 16-4130 Rev A Table Insulated Throttle
Todo R9401-4407 Spare Parts Kit Todo R7480A-4407
MYRKOS Portable DGA MicroGC 11526003
Allen Bradley 20-750-MI2-C540D505 UL Open Type/IP00 CM Cap Jumper Insulated
Pulsed Energy Technologies PER 2000M / 120VAC - WITHOUT ACCESSORIES INCLUDED
QUALITROL QCM-PPDM PORTABLE PARTIAL DISCHARGE MONITOR er
QUALITROL QCM-PPDM PORTABLE PARTIAL DISCHARGE MONITOR W/OUT ACCESSORIES
KONGSBERG 400554 HiPAP 352/452 High Precision Acoustic Positioning
Programma ODEN AT/BH-42427 R02D Oden X Primary Current Injection Test System
GARNER TS-1 REV 008 NSA/CSS Compliant Degausser -Without accessories
Allen Bradley 81001-451-82-R Matched Set of Two SGCT 1500 A
50400S Grod Penetrating Radar / Geophysical Survey Systems Inc.
COMPRESSOR CONTROLS CPCI-10-D2 VANGUARD SERIES 5
TORKEL 840 UTILITY Battery Load it / GE Energy BS-49074 , R104
Tektronix TSG 4106A / TSG4106A B030471 RF Signal Generator -WITHOUT ACCESSORIES
LITEF LCR-93 Attitude Heading Reference it -28VDC 142185-1105
Honeywell Radio Management it RM850 7012100-811
ABB AC 800PEC / PP D113 Process control module 3BHE013692R0001
KONGSBERG 311509 RESPONDER DRIVER IT POWER VOLTAGE 110/220V
EOLITE BOREAS FLEX-UV-OEM UV HIGH POWER FIBER LASER EOLES_05-073 / 03-2016
EOLITE BOREAS FLEX-UV-OEM UV HIGH POWER FIBER LASER EOLES_10-283 / 2018
EOLITE BOREAS FLEX-UV-OEM UV HIGH POWER FIBER LASER EOLES_05-170 / 2017
ROCKWELL AUTOMATION T8403CX Ser. B Ver.N43 PN-583699 24VDC DIGITAL INPUT MODULE
Programma TORKEL 860 Multi Battery Load it Battery Test
ATAGO™ RX-5000 Automatic Digital Refractometer with AD-11 Adapter
T8480 Trusted TMR Analog Output-40 CH
Rockwell Automation T8403C SerC VerO44 Trusted TMR Digital Input Module
Rockwell Automation T8151C SerB Ver S17 Trusted Comms. Interface Module
ROCKWELL AUTOMATION T8310C Ser. B Ver. S PN-437127 Expander Processor
Rosemot Aerospace CB41-0302-2 Pressure Equalizer
Megger OTS 100AF/2 Oil Tester
ROCKWELL AUTOMATION T8310CX Ser. B Ver. S PN-584060 Expander Processor
TORKEL 840 UTILITY Battery Load it / GE Energy BS-49074/76 , R100
LEYB Vaseco UL 200 Helium Leak Detector WITHOUT ANY ACCESSORIES
LEYB Vaseco L 200 HELIUM LEAK DETECTOR, IT; PUMP, VACUUM - With Case
Rockwell Automation T8231C Trusted Power Pack
WEATHERFORD/VASECO ASM 120V / MS-010-D LEAK DETECTOR-WITHOUT ACCESSORIES
SICK VIC321-M06 1051236 75W, VIC320-R02 1042628 15W, VIC320-A005S01 1046724
FLUKE 830 Lalignment Tool..
RITMO Center EASYLIFE V4 Plastic Welding Technology (CHECK PHOTOS FOR CONDITION)
EiUK T650-M TEMPERATURE CALIBRATOR / P100 Pressure Indicator
DATALOGIC AI7000-1100 ILLUMINATION / AV7000-1000 Camera / DM3610-4200 MDMI
SMC PTE-100-C Voltage Relay and Single Phase Current
Hirschmann MAR1040 INDUSTRIAL ETHERNET MAR1040-4C4C4C4C9999SLLHPHH09 0.10
Hirschmann MAR1040 INDUSTRIAL ETHERNET MAR1040-4C4C4C4C9999SLLHRHH09 0.14
PRUFTECHNIK VIBXPERT EX VIBRATION ALIGNMENT ,VIBRATION ANALYZER
J.W. Fishers TOV-1 Towed Video System -without accessories
PST610E REXROTH PST610-EW AC WELDING CONTROLLER.
Thermo Scientific Model SK-2000 Solaris Shaker 2000 Series
FLUKE hart scientific 9009 Dual-Well Dry-Block Calibrator 15 ℃ - 350 ℃
Agilent IDP15 Dry Scroll Vacuum Pump -Broken part- Without accessories
ELLIASON SP MTof312905 Cloud Ceilometer CBME 80
SEL-411L PROTECTION AUTOMATION CONTROL 0411L1X6X1C7CDXH5C424XX
YOKOGAWA NFCP502-W05 S1 CPU MODULE
MICHELL MDM300 I.S. Dewpoint Hygrometer - OK | INCOMPLETE ACCESSORIES
MEGGER Foster PCITS 600/2 Primary Current Injection Test Set
Programma ODEN X Primary Current Injection Test System - CALIBRATED
Caterpillar PMC-R/2 Mining Controls
MKS PICO MSSAHE6SD0B1 Mass Spec Leak Detector - Missing 2 Chargeable Batteries
Marconi Instruments 2948 Commication Service Monitor - Without Any Accessories
Varian PHD-4 Portable Helium Leak Detector - NEED CHANGE BATTERY
Varian PHD-4 Portable Helium Leak Detector with Case - NEED CHANGE BATTERY
Rockwell Automation T8160 Trusted TMR Interface
BAUR PGK 70 HB-83101206B/83101206H -220V/50Hz AC/DC HV Test Set
Honeywell Enraf RHBBVR-AES0605 Smart Radar Flexline High Performance W/O ACCS.
BELEC BCPO Compact Port Mobile Spectrometer - OK - Without Accessories
GE Energy Services TXL 870 UTILITY Extra Load it Programma Products 110-240V
Honeywell MP-DNCF02-200 REV B Upper Lower / 51305072-300 51305072-200 REV L.
VIDEOJET 3120-IP54 LASER MARKING SYSTEM 100-240V 50/60HZ 1PH
YOKOGAWA NFCP502-W05 S1 CPU MODULE - Without
Agilent 1260 Infinity G1329B Standard Autosampler - Without Accessories Included
Thermo Scientific Model SK-2000 Solaris Shaker 2000 Series - NO PLATE
WICHITECH Composite Repair System HB-2 Hot Bond System v2.96 WITHOUT ACCESSORIES
DATALOGIC DM3610-1201 MULTI-DIMENSIONAL MEASURING INSTRUMENT
SIEMENS SWT 3000 Teleprotection High Voltage Lines 7VR5865-5FC00-0AA0/BB
MITUTOYO Measuring Microscope MF Code No. 176-522E - BROKEN CABLE / NO ACCESSORY
COMTECH LPK0-3 COMRESSION POINT 17695-01
PROGRAMMA SVERKER 750 RELAY TEST IT 230V.. ONLY MACHINE WITHOUT ACCESSORIES
Clare Instruments Q970510 230 Volts AMPS. 5
YOKOGAWA NFCP502-W05 S1 CPU MODULE - Missing Front Cover
PROGRAMMA CURRENT SUPPLY IT TYPE 600A CSU CSU600A
Tettex Instruments 2288 High Current Resistance Meter - OK/NO ACCESSORIES
Allen-Bradley 6181X-12TPW7DC -WITHOUT ACCESSORIES
CHENTRONICS iScan3 iS3Z-MB WOM: 35-20-C PN: 04005000-MB Flame Scanner
Woodward ProTech TPS Total Protection System
Online Electronics Ltd. Driver Held Acoustic Receiver
Woodward ProTech TPS Total Protection System [OTHER]
Fujikura FSM-50S ARC FUSION SPLICER
Fujikura FSM-50S ARC FUSION SPLICER
TRICONEX MA 2211-100 / MA2211-100 CIM MEDIA ADAPTER- WITHOUT
GE ENERGY IS220UCSAH1A / UCSA-H1A REV G PROCESSOR MODULE WITH SD CARD
Testo 360 Portable Reference Flue Gas Analyzer
HYDAI HIMAP-BCS MULTIFCTIONAL DIGITAL PROTECTION RELAY
Keithley 2182A Nanovoltmeter - WITHOUT ANY ACCESSORIES INCLUDED
BAUR PRüF-u MESSTECHNIK KG A-6832 Sulz PGK-1OO HB 60Hz 880VA WITHOUT ACCESSORIES
GE ENEGRY IS220UCSAH1A /UCSA-H1A REV G PROCESSOR MODULE W/SD CARD DAMAGED PART
SMC INR-244-768A TEMPERATURE CONTROLLER
Schneider ION8800 Power Logic MN-1506A017-01
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