描述
滯后性不是很大的控制對象使用比例控制方式就可以滿足控制要求,但很多被控對象中因為有滯后性。也就是如果設(shè)定溫度是200度,當(dāng)采用比例方式控制時,如果P選擇比較大,則會出現(xiàn)當(dāng)溫度達到200度輸出為0后,溫度仍然會止不住的向上爬升,比方說升至230度,當(dāng)溫度超過200度太多后又開始回落,盡管這時輸出開始出力加熱,但溫度仍然會向下跌落一定的溫度才會止跌回升,比方說降至170度,最后整個系統(tǒng)會
歐美品牌停產(chǎn)的,常用的“PLC”備品備件
我司產(chǎn)品應(yīng)用于以下領(lǐng)域:
1,《發(fā)電廠DCS監(jiān)控系統(tǒng)》
2,《智能平鋼化爐系統(tǒng)制造》
3,《PLC可編程輸送控制系統(tǒng)》
4,《DCS集散控制系統(tǒng)》
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5,《智能型消防供水控制系統(tǒng)》
6,《化工廠藥液恒流量計算機控制系統(tǒng)》
7,《電氣控制系統(tǒng)》造紙,印染生產(chǎn)線,變電站綜合自動化控制系列
本特利,英維思,伍德沃德,福克斯波羅、西屋、瑞恩、施耐德莫迪康、ABB、AB、西門子、摩托羅拉、GE發(fā)那科、安川、博世力士樂,ACSO,力士樂等各大品牌的DCS系統(tǒng)配件,機器人系統(tǒng)配件,大型伺服系統(tǒng)備件。
C70445 MEI Marpet Mech-El 779 Manual Epoxy Die Bonder
C70444 Mech-El 709 Manual Eutectic Die Attach Bonder
C70443 Mech-El 703 Manual Eutectic Die Attach Bonder
A55095 Edwards Vacuum Dry Pump QDP80 Drystar
A55059 Edwards Vacuum Dry Pump QDP80
A55060 Edwards Vacuum Dry Pump QDP80
A66347 Edwards Vacuum Dry Pump QDP80
K69002 SierraTherm 4K14-96-5A Conveyor Furnace
K69277 Quad / de Haart MPC-20 Screen Printer Untested
C60415 Unitek Micropull IV Wire Bond Pull Tester 1000g
C61654 Unitek Micropull IV Wire Bond Pull Tester RS232
N72714 Perkin Elmer Aanalyst 100 Atomic Spectrometer
N72711 Seiko D-Tran XM3106B Robotic Arm
C51193 Agilent E4406A Transmitter Tester w/ 202 300 BAF
N72004 Eppendorf 5804 Multipurpose Centrifuge w/Rotor
C52517 Agilent E4406A Transmitter Tester w/ 202 300 BAH
N59001 Unitek Micropull IV Wire Bond Pull Tester
N70041 Rainin Varian Dynamax SD-200 UV-1 FC-1 HPLC Sys.
AE43755 RECIF SA Wafer Scribe Reader IDLW8 System
C69112 Spectra Multi-Quad LMI Gas Analyzer w/ Turbo Vac
L65211 DEK 248ce Semi-Automatic Screen Printer
A41046 ADE Technologies DiskMapper Model M2 System
N63492 Fluke Networks Optiview Workgroup Analyzer
N67906 Tektronix RTPA2A TekConnect Probe Adapter NIB
A66346 Piller Apostar AS50 UPS System 50 kVA, 480V 85A
N53546 Perkin Elmer 300 Micralign Projec. Mask Aligner
C69602 Logitech 2125 Polishing / Bonding Jig
A58951 K&S 6491 Semi-Automatic Die Bonder
A71987 Varian Prostar Autosampler 420, 210, 325, 701
C54973 Agilent 16950A 600MHz State/4GHz Timing/4Meg Mem
C54587 Agilent 16950A 600MHz State/4GHz Timing 4Meg Mem
G53498 Two Alcatel IPUP A100L Dry Vacuum Pumps
N71355 Isel Robotik Wafer Handling Robot 10-21-0015
C72658 FST Fine Semitech Dual Recirculating Chiller
N71514 Leitz Wetzlar Trinocular Microscope w/Stage
N72005 Eurotherm TU1451 SCR Power Controller
C51174 HP E4406A Transmitter Tester 7MHz-4GHz w/Opt BAH
N59032 Signatone S-1007S Manual Probe Station S1007S
N63395 K&S 1470-4 Automatic Wedge Bonder
C51195 HP E4406A VSA Transmitter Tester w/BAH, 204, UK6
C51194 Agilent E4406A Transmitter Tester w/ Opt 202 BAH
G72332 Agilent G1314B VWD Variable Wavelength Detector
G72403 Heidolph Laborota 4001 & Heizbad HB Digital
G71854 NSK XY-HRS120-RH2SN?F Linear Stage w/Ballscrew
G72622 Brinkman Metrohm 784 KFP Titrino & 703 Ti Stand
K72692 Quester Tech. UFT10-02 Liquid Source Cabinet LSC
K72693 Cleansorb CS096DCD Dry Bed Absorber Cabinet
C55171 Agilent 16950A 600MHz State/4GHz Timing/1Meg Mem
A69921 (2) Balanced Power II BPII25 UPS System 25 kVa
N72803 (2) Christie Electrohome Roadie S12 Projectors
N57984 ABI Prism 6700 Auto Nucleic Acid Workstation
C70346 Veeco Dektek SXM Atomic Force Microscope Control
L67921 Hughes Wire Bonder System WD-8700D1
A69920 Leybold Coolpak 6200 Compressor w/ Cold Head
A63423 Bemco Inc. FC-77 Cart Environmental Pump System
A62562 Varian VE10 Vacuum Evaporator, Edwards E2M5
N58955 Signatone S-250-5 Wafer Prober w/ B&L Microzoom
N58956 3S 8013 Pick & Place Inspection Wafer Station
N69000 Instrumentation IL ACL 8000 Coagulation Analyzer
A50159 Tenney Six Engineering T6S Chamber 21*22*23H
N56306 Edwards EH500A Mechanical Booster Pump D90SD
Y70234 Crest Ultrasonic Cleaner & Ultrasonic Generator