描述
对于(6)、(7)两点应补充说明的是,采用FCS系统,节省投资的效果是不用怀疑的,但是否如有的专家所说达66%.这些数字在多篇文章中出现,编者认为这是相互转摘的结果,目前还未找到这些数字的原始出处。因此,读者在引用数字时要谨慎。
(8)FCS相对DCS组态简单,由于结构、性能标准化,便于安装、运行、维护。
(9)用于过程控制的FCS设计开发要点。这一点并不作为DCS比较,只是说明用于过程控制或者说用于模拟连续过程类的FCS在设计开发中应重点考虑的问题。
①要求总线安防爆功能,而且是头等重要的。
②基本监控如流量、料位、温度、压力等变化是缓慢的,而且还有滞后效应,因此,节点监控并不需要快电子学的响应时间,但要求有复杂的模拟量处理能力。这一物理特征决定了系统基本上多采用主——从之间的集中轮询制,这在技术上是合理的,在经济上是有利的。
③流量、料位、温度、压力等参数的测量,其物理原理是古典的,但传感器,变送器及控制器应向数字智能化发展。
④作为针对连续过程类及其仪器仪表而开发的FCS系统,应侧重于低速总线H1的设计完善。
欧美品牌停产的,常用的“PLC”备品备件
我司产品应用于以下领域:
1,《发电厂DCS监控系统》
2,《智能平钢化炉系统制造》
3,《PLC可编程输送控制系统》
4,《DCS集散控制系统》
5,《智能型消防供水控制系统》
6,《化工厂药液恒流量计算机控制系统》
7,《电气控制系统》造纸,印染生产线,变电站综合自动化控制系列
本特利,英维思,伍德沃德,福克斯波罗、西屋、瑞恩、施耐德莫迪康、ABB、AB、西门子、摩托罗拉、GE发那科、安川、博世力士乐,ACSO,力士乐等各大品牌的DCS系统配件,机器人系统配件,大型伺服系统备件。
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G71854 NSK XY-HRS120-RH2SN?F Linear Stage w/Ballscrew
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G74627 Labsystems Flouroscan II Fluorescent Type 373
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G71680 Valhalla Scientific D6100 Spectral Pwr.Analyzer
G54942 Alcatel IPUP A100L Dry Vacuum Pump
G75678 Argonaut Tech.Quest 210 SLN Control&Quest 210
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G54937 Alcatel IPUP A100L Dry Vacuum Pump
C72909 Isel Robotik IPA-58-VKS3-1 5-8″Wafer Prealigner
AC44258 Prometrix Spectromap Film Wafer System SM200/e
C69221 Wentworth FIX-R-1-E Probe Card Repair Station
A34721 Thermotron Environmental Chamber,460/3/60
L75904 Karl Storz Equimat&Endomat System w/stand
C67797 R&K Rucker Kolls 300 Probe Card Building Station
A74366 Sartorius Sartocheck 3 Filter Integrity Tester
A74400 V&P Scientific VP 707 Magnetic Levitation Stirr
C54282 Hot Cold Temp Vacuum Wafer Chuck 11″Stage
C67233 Adept Robot Module 90400-04318/XY-P177S180-1
C56452 Tektronix TLA715 Logic Analyzer(Calibrated 2010
G71828 DeHaart MPC 24/29 Screen Printer
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A73306 Mar Research Mar345 Image Plate Detector
A75549 Shimadzu RF-1501 Spectrofluoroph?otometer
C74536 Markem 590 SGT Pad Printer&Touch Panel Display
A69922 Lot of(2)EPE Computer Power Center PowerPacs
C51252 Tektronix TLA715 Logic Analyzer(Calibrated 2010
C53849 Precision Measurement Microscope Sys w/X-Y Stage
A73329 Oxford Cryosystems Cooler Evap Probe,Pump Unit
CC44406 MRL 14TC-45 Conveyer Furnace/Reflow Oven
L75274 Cleansorb C5095DCC Dry Bed Absorber Cabinet
K67775 K&S Kulicke&Soffa 6490 Semi-Auto DieBonder
K72692 Quester Tech UFT10-02 Liquid Source Gas Cabinet
L70515 Varian DS 102 Dual Stage Rotary Vane Vacuum Pump
C72407 Flexus 2 Thin Film Stress Measurement System
C72662 Powervar GPI 3-Phase Power Conditioner 125kVA
A75741 Lab Products 59015HD Vet/Animal Caging System
C75836 Leitz Diavert Trinocular Inverted Microscope
C69606 Intevac NCT 200L Assy Sputtering Source Gun
C70441 Intevac Sputtering Source NCT Intervace Mark V
A39173 Carbolite Type GPC 12/65 Chamber Furnace,1200°C
AH43124 UTE SCS i 124 Substrate Vertical Lap Cleaner
A60926 ALPHASEM AG DB608-PRL Die Bonder w/Selectron
AC44359 Prometrix Resistivity Prober 6″VR-30A System
C71872 CTI-Cryogenics Cryo-Torr 100 Cryopump Cryo Pump
K68523 Kern CPM1 Stereocomparato?r Mono/Stereo
K75665 Nikon Optiphot-2 Trinocular Lab Microscope
R75873 UNISEM Model PPD1500A-A02-AM?T Chiller
L75702 GE Fractionation Kit*NIB*11-0035-99
AT51403 Hughes Model 2500 Automatic Die Bonder
A64698 Advanced Energy PEP-2500 Plasma RF Power Supply
G74798 Alphasem AG DB 608-PRL Die Bonder w/Selectron
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A72761 AMC Automation&Modular Component Modu-Con MX2
CT74225 Kevex 7078 Wafer Analysis,X-Ray Source Control
G61761 Applied Biosystems 373 DNA Sequence Stretch
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A75223 Power-One 3G37-36 Power Distrubution Unit 40 kVA
C56823 Dage Microtester 22 10kg Shear Test Load Cell
C70560 Royce MBS200 Wire Bond Pull Tester MBS 200
A58949 ESEC SA Wafer Mounter 650.010/6
A72207 Lot of Quality Transformers Corp.10kVA,7.5kVA
A72210 Lot of Lithonia Lighting Reflectors,HID Housing
A74404 Wave Biotech O2MIX Controller,O2MIX20
C53689 Tenney 5 Environmental Chamber(m/n T5-2-100350)
C52722 MCT 4600 Chip Carrier IC Handler for 84PLCC
C52721 MCT 4610 Chip Carrier IC Handler for 28PLCC
C52701 MCT 4600 Chip Carrier IC Handler for 52PLCC
L74808 Welch Allyn Video Path Colposcope 89021A
G63902 Forma Scientific 8325 Bio Freezer
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C52694 MCT 3608E IC Handler for 300mil 20pin DIP 3608E3
C52696 MCT 3616E IC Handler(m/n 3616E48P)
C70012 Dage Microtester 22 500gm Shear Test Load Cell
C68808 Davidson Optronics D657-100A Autocollimator
K72695 Innovate 9000 Semiconductor Test Head 220V
C52790 Dage Microtester BT22 5kg Pull Test Load Cell
C52792 Dage Microtester BT22 200g Pull Test Load Cell
C52791 Dage Microtester BT22 1.5kg Pull Test Load Cell
C67867 Dage BT22-LC02 50gm Pull Test Load Cell for BT22
L75273 Asymtek MM-FSLU-STD Upstream Wafer Loader
L75438 Varian DS-102 Dual Stage Rotary Vane Vacuum Pump
C67115 HP Agilent 2090-0357 Vacuum Fluorescent Display
C67234 Adept Robot Module 90403-41063R XY-HRS063CS110A?D