FS211/N

FS211/N

PLC控制著一個(gè)復(fù)雜系統(tǒng)，所能看到的是上下兩排錯(cuò)開的輸入輸出繼電器接線端子、對(duì)應(yīng)的指示燈及PLC編號(hào)，就像一塊有數(shù)十只腳的集成電路。任何一個(gè)人如果不看原理圖來檢修故障設(shè)備，會(huì)束手無策，查找故障的速度會(huì)特別慢。

通過程序邏輯推斷故障

現(xiàn)在工業(yè)上經(jīng)常使用的PLC種類繁多，對(duì)于低端的PLC而言，梯形圖指令大同小異，對(duì)于中機(jī)，如S7-300，許多程序是用語言表編的。實(shí)用的梯形圖有中文符號(hào)注解，否則閱讀很困難，看梯形圖前如能大概了解設(shè)備工藝或操作過程，看起來比較容易。

若進(jìn)行電氣故障分析，一般是應(yīng)用反查法或稱反推法，即根據(jù)輸入輸出對(duì)應(yīng)表，從故障點(diǎn)找到對(duì)應(yīng)PLC的輸出繼電器，開始反查滿足其動(dòng)作的邏輯關(guān)系。經(jīng)驗(yàn)表明，查到一處問題，故障基本可以排除，因?yàn)樵O(shè)備同時(shí)發(fā)生兩起及兩起以上的故障點(diǎn)是不多的。

分合理利用軟、硬件資源

不參與控制循環(huán)或在循環(huán)前已經(jīng)投入的指令可不接入PLC；

多重指令控制一個(gè)任務(wù)時(shí)，可先在PLC外部將它們并聯(lián)后再接入一個(gè)輸入點(diǎn)；盡量利用PLC內(nèi)部功能軟元件，充分調(diào)用中間狀態(tài)，使程序具有完整連貫性，易于開發(fā)。同時(shí)也減少硬件投入，降低了成本；

條件允許的情況下好獨(dú)立每一路輸出，便于控制和檢查，也保護(hù)其它輸出回路；當(dāng)一個(gè)輸出點(diǎn)出現(xiàn)故障時(shí)只會(huì)導(dǎo)致相應(yīng)輸出回路失控；輸出若為正/反向控制的負(fù)載，不僅要從PLC內(nèi)部程序上聯(lián)鎖，并且要在PLC外部采取措施，防止負(fù)載在兩方向動(dòng)作；PLC緊急停止應(yīng)使用外部開關(guān)切斷，以確保。

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IAI ROBO CYLINDER RCP2-RMA-I-PM-8-100-P1-S-FT ACTUATOR 

IAI Robo Cylinder RCP1-RSA-I-PM-2. 5-100-P1-S-B-FL 

IAI Robo Cylinder RCP1-RMA-I-PM-4-150 W/driver,cable 

IAI Robo Cylinder RCP1-SA6-I-PM-12-600 W/driver,cable 

CARATRON/CAROTRON RCP205-BC2 5HP REGEN DC DRIVE**XLNT**

ROBO CYLINDER RCP2-SA5 SLIDER 52 MM PULSE MOTOR

IAI Robo Cylinder RCP-C-RSAI + RCP-RSAI-L-50-S-B 

IAI Robo Cylinder RCP1-RSW-I-PM-10-100 W/driver,cable 

IAI Robo Cylinder RCP1-RSW-I-PM-10-100 W/driver,cable 

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IAI RCP2 C RSGD-I-PW-O Control Robotics

336 TYCO 2mm BACKPLANE RCP 60 POS AMP 5223008-002 

Backplane RCP 60 POS

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RC Robo Cylinder IAI RSAIM-200 RCP-C-RSAI , 200M (31)

IAI Robo Cylinder RCP-C-RSAI Actuator Controller 

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IAI Robo Cylinder RCP-C-RMAI Actuator Controller 

IAI Robo Cylinder RCP-C-RMAI Actuator Controller 

IAI Robo Cylinder Controller RCP2-C-RSGD-A-PM-O-P __I65

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ROBO CYLINDER RCP-RSGSI-M-150-S with Driver 

ROBO CYLINDER RCP-RSGSI-M-150-S-SG with Driver 

 IAI RCP-RSAA-H-150-M ROBOTIC CYLINDER

IAI Intelligent Linear Actuator RCP2-SA5-A-PM-12-400-P1

ROBO CYLINDER RCP2-SA6-I-PM-12-300-P1-M USPP RCP2SA6IPM

ROBO CYLINDER RCP-SA5I-M-100-M USPP RCPSA5IM100M

 IAI ROBO CYLINDER RCP-C-RSAA-P INCREMENTAL TYPE 

CAROTRON RCP202-000 USPP RCP202000

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IAI Robo Cylinder driver RCP2 - C - RSA - I - PM - 0

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Robo Cylinder RCP-C-SA5-A Cylinder Controller

Robo Cylinder IAI RCP-C-SA5-A Cylinder Controller

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IAI RoboCylinder RCP-RSAI-L-50-S with Controller & Cell

Molecular Devices FlexStation II Microplate Reader MDS

Keyence LT-8110/ 8105/ V201 Laser Confocal Displacement

LAMBDA PHYSIK 10 WATT 10W LASER CONTROLLER POWER SUPPLY

WATERS 2767 SAMPLE MANAGER AUTOMATIC PROCESSING SYSTEM

AMAT Wafer Robot Kensington Dual Arm Multi-Link / Cable

MKS ENI Spectrum B-3013 RF Plasma Generator 3KW AMAT1

NIKON PRECISION INTERFEROMETER LASER POWER SUPPLY

ACTERNA ANT-20/20E ADVANCED NETWORK TESTER/ FREE SHIP

Comdel CB5000 RF Power Supply 5000W 5KW Generator AMAT

AE Apex 3013 RF Generator 3156114-003A 3KW 0920-00107

Tektronix TLA 704 Logic Analyzer 7E2 7N4 TLA704 Options

HP AGILENT 3D CE G1600AX CAPILLARY ELECTROPHORESIS HPLC

Reliance 980L Full Power Optometry Exam Chair / Stand

Watkins-Johnson 9040 Receiver Dual 2X WJ-8628-4 VHF/UHF

ISCO CombiFlash Optix 10 Flash Chromatography-Complete

EXATRON 6000 HANDLER PROGRAMMER SINGLE SITE / FREE SHIP

ALCATEL DRIVAC BH2-60HD MOLECULAR VACUUM PUMP PACKAGE

Varian Cary 50 Scan Spectrophotometer / Software /Board

POLYCOM ACCORD MGC-50 CONFERENCE BRIDGE / CONFERENCING

HP Agilent G1312A Binary Pump 1100 Series HPLC BinPump

Agilent G1310A Isocratic Pump 1100 ISO Tray / Warranty

AE PDX 900-2V 3156024-110C RF Generator 0190-75075 AMAT

Comdel CPS-1001 RF Generator 13.56 MHz 0920-01006 AMAT

 Indramat Magnet Motor MAC112A-0-VD-4-C Rexroth AMAT

AMAT AE HFV-8000 RF Generator 3155083 8KW 0190-13203

PLANAR GX-40 INCH LCD MONITOR 40" DISPLAY MEDICAL GX40

ASCENT 750 NEPHELOSKAN NEPHELOMETER MICROPLATE READER

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HARMONIC Divicom ProView PVR 6000 DVB RECEIVER DECODER

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PRE-TECH FINE SONIC GENERATOR 750 KHz HIGH FREQUENCY

NIDEK MARCO AR-3300 REFRACTOR AUTOMATIC REFRACTOMETER

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LOT 11 LAM RESEARCH SILICON GRAPHITE /CAPTIVE ELECTRODE

SAKURA DRS-601 DIVERSIFIED AUTOMATIC SLIDE STAINER

Dermagen Professional Skin Treatment Microdermabrasion

VARIAN POLYMER CHROMATOGRAPH HPLC PUMP CHILLER DEGASSER

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HUMPHREY 550 AUTOREFRACTOR AUTOMATIC REFRACTOR /PRINTER

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COHERENT AVIA 532-30 LASER POWER SUPPLY DPSS Q-SWITCHED

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VERITY INSTRUMENT SD2048PL SPECTROGRAPH HIGH-RESOLUTION

ADTECH SX/14 SPIRENT DATA CHANNEL SIMULATOR / OPTIONS

Waters 2487 Dual Absorbance Detector HPLC WAT081110

OLYMPUS CF-140L COLONOSCOPE ENDOSCOPE / CASE / WARRANTY

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OPTISPEC FIBER OPTIC VIDEO SCOPE MICROSCOPE COMPLETE

ERICSSON LMU KRC ANTENNA TEST SYSTEM COMPLETE KIT 

CARBOLITE CWF-1100 LAB CHAMBER FURNACE RAPID HEATING

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Maximator DLE-30 Gas Booster Air Driven Pump Nitrogen

Guava PCA Cytometry Personal Cell Analyzer Cytometer

Agilent VQT Network Sever Voice Quality Tester J1987A

JUNIPER STM -16/OC-48 SONET SMF-IR OC48 PIC / FREE SHIP

WYATT TECHNOLOGY MiniDAWN LIGHT SCATTERING DETECTO

AGILENT / HP 1660CS LOGIC ANALYZER OSCILLOSCOPE

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SONY PVW-2800 BVM-14E5U BETACAM PLAYER RECORDER MONITOR

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FS211/N

FS211/N