ABB 87TS01I-E

DCS安全性：為保證DCS控制的設(shè)備的安全可靠，DCS采用了雙冗余的控制單元，當(dāng)重要控制單元出現(xiàn)故障時(shí)，都會(huì)有相關(guān)的冗余單元實(shí)時(shí)無(wú)擾的切換為工作單元，保證整個(gè)系統(tǒng)的安全可靠。PLC所搭接的系統(tǒng)基本沒(méi)有冗余的概念，就更談不上冗余控制策略。特別是當(dāng)其某個(gè)PLC單元發(fā)生故障時(shí)，不得不將整個(gè)系統(tǒng)停下來(lái)，才能進(jìn)行更換維護(hù)并需重新編程。所以DCS系統(tǒng)要比其安全可靠性上高一個(gè)等級(jí)。

模塊：DCS系統(tǒng)所有I/O模塊都帶有CPU，可以實(shí)現(xiàn)對(duì)采集及輸出信號(hào)品質(zhì)判斷與標(biāo)量變換，故障帶電插拔，隨機(jī)更換。而PLC模塊只是簡(jiǎn)單電氣轉(zhuǎn)換單元，沒(méi)有智能芯片，故障后相應(yīng)單元全部癱瘓。

New Parker 2H Hydraulic Cylinder 02.50 H2HLT13A 14.000
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Double A Hydraulic Valve 1306C1381S
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New Hydac 3 Micron Hydraulic Filter 0095 MA 003 BN
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New SMC FGDCB-06-H050 Industrial Hydraulic Filter


Newly listedOC White Co SZ-OB030 Microscope Objective Lens 0.3X
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New Datascope 46-66CM Adult Reusable Thigh Cuff, 46cm to 66cm Circumference
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Haskris WW-2 Non-Refrigerate?d Chiller 208/230VAC 9.9A 14 Gallon Reservoir
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VWR 1330FM Laboratory Oven 1.6cuft 40°-240°C 110-120VAC 9.0A 50/60Hz *Tested*
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BTU International TCA43-4-54-N48 Continuous Conveyor Furnace 1080°C 208VAC 63A
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Despatch LLC1-16V-3 Clean Process Benchtop Oven 500°F 260°C 240VAC 14.6A 3kW
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Microscope Stand for 1 1/2" Diameter Mounts 9 3/4" x 9 3/4" Base 25 1/2" Height
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Neslab Thermo Scientific ThermoFlex 900 Recalculating Chiller 5°C to 40°C 900W
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Scitec Instruments Model 420 Dual Phase Analogue Lock-In Amplifier 115/230VAC
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Henry Electronics 1000D-63 RF Power Amplifier 1000W Output 63.87MHz Tuned Freq
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Spencer CD730CA-MOD Centrifugal Separator w/ Solids Can *No Filter Bag*
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New Glasfloss ZPK24241295HJ Rigid Cell Air Filter, 24x24x12", 95% Header Style
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Verity SD1024D Spectrometer 95-250VAC 50W 50/60Hz 200-800nm w/ SpectraView 4.11
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Lot of 52 Filter Bags 7" x 20" 25 Micron with Clamping Ring 4.35" ID 5.35" OD
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New GE FPN053EHE Flotrex Polypropylene Cartridge Filter, 5 Micron, 32.15"
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New Macken Instruments 22A Plate #1, Thermal Image Plate, 1.5" x 6" x 1/8"
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Blackstone-Ney Ultrasonics 40-80-120-140-1?70-220-270-MSM2?-230V Controller, 230V
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New Airguard Microguard H2436A00-0J8I3C?030 Air Filter 24" x 36" x 5-7/8" 99.99%
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New Kurt J. Lesker FILAA606 Filter Element, Activated Alumina, 10 Micron Rating
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Biotrace Labnet D1100 Digital Dry Bath, 230V, Ambient +5C to 150C, RS232
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American Optical Model 370 Microscope Illuminator *No Bulb* *Missing Bulb Cover*
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Cannon Instruments M1 Constant Temperature Bath, 120VAC, 1000W, Ambient to 100°C
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Ace Glass Inc. 8828-303 1 1/2" ID Beaded Pipe 4" Length 75PSI
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Ace Glass Inc. 1 1/2" ID Beaded Pipe 5" Length for Laboratory Glassware 75PSI
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New out of Packaging Kimax 1.5" Process Pipe Drainline Coupling 6650-1500
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Laboratory Glassware 2" Tee Double Tough Pyrex Construction
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Pegasus Glass Beaded Pipe End Cap, 1.5" Diameter, 1" Long
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Beaded Glass Process Pipe Reducing Tee 2" x 1 1/2" Ports 6" Length 75PSI
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Microscope Stand 10"x10" with a 38mm Diameter Pole, 10-7/8" Pole Height
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Stainless Steel 2 Gallon Jacketed Vessel, Max Working Pressure 70/50PSI @ 302°F
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*New* Lot of 21 UFI Melt Blown Filter Cartridges, 25 Micron Rating, 20" Long
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Fisher Scientific Stereomaster Microscope 14x to 90x w/ 10x WF Eyepieces
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Cole-Parmer 50003-10 Mixer Motor w/ 50003-00 Mixer Controller 115VAC 3-180RPM
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Ace Glass 5395-06 Pyrex 19 Liter Bottle w/ Serrated Vacuum Take Off *No Coating*
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Sartorius 2354 Analog Analytical Balance 1000g Capacity 0.01g Resolution 120VAC
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Wedeco DLR-AP UV Water Disinfection Unit, 1/2"NPT
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*New* Osmonics FPN053EHS Flotrex Filter, 5 Micron, Silicone Seal
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*New* General Electric MPC921EGV Cartridge Filter, 0.2 Micron Rating
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Weight for Scale Calibration 2060g Flat Cylinder 3" x 2 3/8" Height
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Tumble Basket for Washing / Drying 10 3/4" x 10" Height 3mm Mesh Stainless Steel
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Tumble Basket for Washing Drying 10 3/4" x 6 1/4" Height 2.5mm Mesh Stainless
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Tumble Basket for Washing / Drying 10 3/4" x 10" Height 2mm Mesh Stainless Steel
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Tumble Basket for Washing?or?Drying 10 3/4" x 10" Height 2.5mm Mesh Stainless
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Lot of 4 Slim Line P-29820-00 Polypropylene Filter Housings 10" Length 3/8" NPT
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New Ametek 01508-30 Glass-Reinforce?d Nylon Sump and Cap 3/4" NPT 10" Filters
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New GE XPLT-PES-0.1-20?"-213-FLT-S Pleated Filter 0.1μm 20" Length Silicone Seal
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New GE XPLT-PES-0.1-10?"-213-FLT-S Pleated Filter 0.1μm 10" Length Silicone Seal
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New MSI CP12000P01 Polypropylene Filter Cartridge 1.2μm 10" Length Open Ended