描述
良好的接地是保證PLC可*工作的重要條件,可以避免偶然發(fā)生的電壓沖擊危害。接地線與機(jī)器的接地端相接,基本單元接地。如果要用擴(kuò)展單元,其接地點(diǎn)應(yīng)與基本單元的接地點(diǎn)接在一起。為了抑制加在電源及輸入端、輸出端的干擾,應(yīng)給可編程控制器接上專用地線,接地點(diǎn)應(yīng)與動(dòng)力設(shè)備(如電機(jī))的接地點(diǎn)分開。若達(dá)不到這種要求,也必須做到與其他設(shè)備公共接地,禁止與其他設(shè)備串聯(lián)接地。接地點(diǎn)應(yīng)盡可能*近PLC。
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主營(yíng):世界知名品牌的PLC、DCS系統(tǒng)備件模塊
①Allen-Bradley(美國AB)系列產(chǎn)品》
②Schneider(施耐德電氣)系列產(chǎn)品》
③General electric(通用電氣)系列產(chǎn)品》
④Westinghouse(美國西屋)系列產(chǎn)品》
⑤SIEMENS(西門子系列產(chǎn)品)》
⑥銷售ABB Robots.FANUC Robots、YASKAWA Robots、KUKA Robots、Mitsubishi Robots、OTC Robots、PanasonicRobots、MOTOMAN Robots。
⑦estinghouse(西屋):OVATION系統(tǒng)、WDPF系統(tǒng)、MAX1000系統(tǒng)備件。
⑧Invensys Foxboro(福克斯波羅):I/A Series系統(tǒng),F(xiàn)BM(現(xiàn)場(chǎng)輸入/輸出模塊)
順序控制、梯形邏輯控制、事故追憶處理、數(shù)模轉(zhuǎn)換、輸入/輸出信號(hào)處理、數(shù)
據(jù)通信及處理等。Invensys Triconex:冗余容錯(cuò)控制系統(tǒng)、基于三重模件冗余(TMR)
結(jié)構(gòu)的zui現(xiàn)代化的容錯(cuò)控制器。
⑨Siemens(西門子):Siemens MOORE,Siemens Simatic C1,Siemens數(shù)控系統(tǒng)等。
⑩Bosch Rexroth(博世力士樂):Indramat,I/O模塊,PLC控制器,驅(qū)動(dòng)模塊等。
◆Motorola(摩托羅拉):MVME 162、MVME 167、MVME1772、MVME177等系列。
Ericsson SVB13106 VME Telecom Networking Card
Fike Corp. P/N 10-2542 Cheetah Xi Controller Sprinker
Force SYS68K/CPU-33B/?4 VME Board CAT#: 510098
Force SYS68K/ISIO-1FP I/O Controller Dual Board 310034
Foss Semiconductor Systems Memory I/O Expansion Board
Insite IG Model 3100 Portable Dissolved Oxygen Analyzer
Ironics IV-3272 PIO Parallel Interface DMA High Speed
Ironics VMEbus 5-Slot Chassis Enclosure VME
Tellabs 4416E 4W-4/2W DST 4-Wire 824416E Network Teleco
Tellabs 9021 Fuse Module 829021 Network Telecom
Tellabs 9132 Ringing Timer 829132 Network Telecom
Tellabs 9133 Long Interval Timer 829133 Network Telecom
Themis TSVME-400-2A 48-Optocoupler Isolate Digital Inpu
Thomas & Betts Liquidtight Metal Conduit Fittings 3/4″
UFM Universal Flow Monitors V2-M4-A300F300-?E3-X1
Western Atlas International VME Board PN: G150751
Western Atlas International WTSXMTR VME Board G150752
White Phone Jack Wall Plate 6P6C RJ12 Modular (8)
Wiremold CAT#: 5410-WH NM Surface Raceway End Cap (10)
Wiremold CAT#: 5450A3WH NM Raceway Three-Device Bracket
Wiremold CAT#: 5507B NM Surface Raceway Blank Faceplate
Wiremold CAT#: 5507D-WH NM Surface Duplex Faceplate
Kimberly-Clark 92800 Soap Dispenser Lot of 29 New
VMIC VMIVME-6015 5-CH Multifunction Input/Output Board
VMIC VMIVME-5530S Fiber Optic Slave VMI VMEbus VME5530S
Westronics, Inc. Carle 5-1095 Basic Continuous Recorder
VWR Manostat Mopet
Toshiba Process Kit PK-12 Fax Drum BRAND NEW!!
Tektronix 016-1539-00 Black Toner Cartridge 560 Phaser
Tanaka Engineering Works Ltd. 31WVCB SuperTorr Valve
Yaskawa SGDA-04AS Servopak AC Servo Drive BRAND NEW!!
XYCOM SRM System Resource Module XVME-010 PN: 70010-001
Trebor Magnum 610 High Purity Chemical Pump 610R PTFE
Transition Networks CPSMC1300-100 13-Slot Point System
Touch Controls / Kontron 12” Touch Panel Display
Tektronix Type 575 Transistor Curve Tracer
Tektronix 016-1539-00 Yellow Toner Cartridge 560 Phaser
Tektronix 016-1502-00 Phaser 450 3-Color Transfer Roll
Yokogawa YPR512 / Shinko CHC-445-2 Color Hard Copy
Yaskawa SGMP-04A3A4 Rotary Servo Motor BRAND NEW!!
UMAX PowerLook 2100XL 12”x17” One Size Fits All Scanner
Diebold Bullet Resistant Glass 60.5” x 24” x 1.25” New
Diebold Bullet Resistant Glass 59.5” x 24” x 1.25” New
Telemecanique LP1D2510BD 25A 3-Pole DLine IEC Contactor
Telebit Trailblazer High Speed Modem 18K bit/s
Zeiss Spektralphotome?ter PM2DL with LEP UV 30W Supply
YSI 3403 NIST-Traceable Conductivity Cell NEW
Z Microsystems TP4-B0201 Dual Plus Storage System
ZoomAir Wireless LAN PC Card PN: 0169-01
Ultrex Membralox 3” Micro 9 Log 3000 PSI Max
Thermo Scientific 967800 Metallic Combination Electrode
Thales / Matrix MD-CPU330 Board PN: 9007-30-93 VME
Telemecanique EMC RFI Filter VW3A58404 Square D ATV58
Zellweger Sieger Digi-Cat Combustible Gas Transmitter
Thermolyne S-7225 Aluminum Top Stirrer 7” x 7”
Square D SY/MAX RIM-121 Standard Analog Input Module
Square D SY/MAX Model 400 Processor w/ Key
Square D Lighting Contactor 8903LXG40V04C 600V 30A LX
Square D SY/MAX DLM-110 D-LOG Data Controller Module
Square D Transformer Disconnect 9070SK1000A2D1
Square D SY/Max ROM-271 Output Module
Square D SY/MAX ROM-121 Standard Analog Output Module
Square D SY/MAX RIM-125 Analog Input Module