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(1)基本任務是:本質(本征)安全、他險區域易變進程、難于對付的十分環境
(2)全數字化智能多功能替代模擬式單功能儀器外表操裝置
(3)用兩根線聯接換散的現場外表操控裝置PD與操控中心,替代每臺儀器兩模線
(4)在總線上PD與儀器外表、操控裝置都是相等的
(5)多變量多節點串行,數字通訊體系簡代單變量單點并行模擬體系
(6)是互聯的雙向的、開的替代單向的、封閉的
(7)用散的擬操控站替代集中的控站
(8)由現場電腦操作,還可掛到上位機,接同一總線的上一級計算機
(9)網,再可與 internet
(10)改動傳統的信號規范、通訊規范和體系規范入企業管理網
(11) Honeywell. Smar. Fisher-Rosemount. AB/Rockwell, Elsag-Bailey, Foxboro. Yamatake.
Yokogawa. Siemens.gec -Alsthom-, Schneldes.pro
Data.ABB等
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