JANCD-TU02

发布时间:2017-02-10

JANCD-TU02

JANCD-TU02

JANCD-TU02

危险究竟要分散到算合适呢?这与当时的计算机技术的发展水平有关。70年代中期,分散就是一个控制器完成一个回路的运算。当时由于人们对数字技术不太熟息,惯于模拟仪表,70年代末、80年代曾经风行回路控制器,把数字控制器做成和原来模拟仪表在外观上几乎完全一样,不改变操作惯,内部把PID运算数字化。一块仪表(一台计算机)完成一个回路的控制任务。其价格较为昂贵,但危险是分散了。然后用通讯网络把各个控制器和以CRT为基础的人机界面连成一个系统。这时网络结构通常都是星形结构。回路的控制器的制作成本太高,价格/性能比不好。后来为了减低成本,就有两回路的、四回路的控制器, 它的价格/性能比稍好一些。对于一个大中型系统来说,DCS的价格/性能比比回路控制器组成的系统要好。有些特殊地方还是要用到一些回路控制器。

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Alcatel Vacuum Turbopump 5401

Edwards iQDP80 QMB250 Dry Vacuum Pump

Edwards iQDP40 Dry Vacuum Pump QMB250 Blower as-is

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Nikon SPA236A Linear Motor Controller 4S586-947-2

Nikon SPA432B Linear Motor Controller 4S586-950-4

Nikon SPA432A Linear Motor Controller 4S586-949-4

SMC Thermo Chiller INR-497-032

AE RF Match Network 3155031-021A AMAT 0190-01402

AMAT Local RF Match 0010-08323 Rev.007

AMAT Top Local RF Match 0010-08322 Rev.002

AMAT Top Local RF Match 0010-08322 Rev.007

AMAT Top Local RF Match 0010-08322 Rev.003

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Thermo Neslab DI Max Water To Water Chiller 0190-06335

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Trazar Corp. RF Match AMU10H-1

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Kawasaki Robot Controller C62C-A002

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Seiko Seiki Turbopump Controller SCU-H1000C STP-H1000C

AE PDX 900-2V RF Generator 3156024-110A working 900W

AE PDX 900-2V RF Generator 3156024-110B working 900W

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

AMAT Top Local Match 300mm Ultima 0010-08322

Hitachi 3-833535-1 Pearl Kogyo RF Generator RP-300 Rfrb

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Genmark Robot Controller SMALL 990010622A1

Equipe PRI Transfer Robot ABM-407B-1-S-CE-S293 working

Genmark Automation Robot Controller S08P4.RD working

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AE Navigator RF Bias Match 3155126-009A

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Varian Turbo Pump TV 301 rebuilt 7698918

Yaskawa Robot Controller XU-CM7001 working

AE VHF 2060 RF Generator 3150852-005A 0190-14416

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Atto Purex Ar Gas Purifier AP-RM-050 working

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Equipe PRI Transfer Robot ABM-407B-1-S-CE-S293



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