JPS58155002U - process control equipment - Google Patents

process control equipment

Info

Publication number
JPS58155002U
JPS58155002U JP4932582U JP4932582U JPS58155002U JP S58155002 U JPS58155002 U JP S58155002U JP 4932582 U JP4932582 U JP 4932582U JP 4932582 U JP4932582 U JP 4932582U JP S58155002 U JPS58155002 U JP S58155002U
Authority
JP
Japan
Prior art keywords
signal
process control
actuator
controller
control equipment
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
JP4932582U
Other languages
Japanese (ja)
Inventor
川緑　悦郎
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Yokogawa Electric Corp
Original Assignee
Yokogawa Electric Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Yokogawa Electric Corp filed Critical Yokogawa Electric Corp
Priority to JP4932582U priority Critical patent/JPS58155002U/en
Publication of JPS58155002U publication Critical patent/JPS58155002U/en
Pending legal-status Critical Current

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  • Feedback Control In General (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

第１図は本考案のプロセス制御装置の構成図、第２図Ａ
、　Ｂは信号の波形図、第３図は他の実施例の要部構成
図である。 １・・・・・・調節計、２．３・・・・・・発光ダイオ
ード、４・・・・・・アクチュエータ、５，５ａ、５ｂ
・・・・・・光ファイバ、６，７・・・・・・ホトトラ
ンジスタ、８，９・・・・・パフィルタ、１０・・・・
・・空気発電機、１５・・・・・・整流平滑回路、１６
・・・・・・フラッパ、１９・・・・・・フォースモー
タ、２０・・・・・・ノズル、２１・・・・・・パイロ
ットリレー、２２・・・・・・フィードバックベローズ
、２３・・・・・・空気弁。Figure 1 is a configuration diagram of the process control device of the present invention, Figure 2A
, B is a signal waveform diagram, and FIG. 3 is a main part configuration diagram of another embodiment. 1... Controller, 2.3... Light emitting diode, 4... Actuator, 5, 5a, 5b
...Optical fiber, 6,7...Phototransistor, 8,9...P filter, 10...
...Air generator, 15... Rectification and smoothing circuit, 16
... Flapper, 19 ... Force motor, 20 ... Nozzle, 21 ... Pilot relay, 22 ... Feedback bellows, 23 ... ...Air valve.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 所要の出力信号を発生する調節計と、プロセス現場に設
置して調節弁等の操作端を空気圧力にて直接作動させる
アクチュエータとを備えたプロセス制御装置において、
前記調節計の出力信号を光信号とすると共にこの光信号
の伝送用光ファイバを前記調節計とアクチュエータとの
間に延設し、かつ前記アクチュエータには前記光信号を
電気信号に変換する光電変換手段と、更に電気信号を空
気圧信号に変換する電空変換手段とを設けたことを特徴
とするプロセス制御装置。In a process control device equipped with a controller that generates a required output signal and an actuator that is installed at the process site and directly operates the operating end of a control valve or the like using air pressure,
The output signal of the controller is converted into an optical signal, and an optical fiber for transmitting this optical signal is extended between the controller and the actuator, and the actuator is provided with a photoelectric converter for converting the optical signal into an electrical signal. What is claimed is: 1. A process control device comprising: a means for converting an electric signal into a pneumatic signal;
JP4932582U 1982-04-07 1982-04-07 process control equipment Pending JPS58155002U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4932582U JPS58155002U (en) 1982-04-07 1982-04-07 process control equipment

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4932582U JPS58155002U (en) 1982-04-07 1982-04-07 process control equipment

Publications (1)

Publication Number Publication Date
JPS58155002U true JPS58155002U (en) 1983-10-17

Family

ID=30060188

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4932582U Pending JPS58155002U (en) 1982-04-07 1982-04-07 process control equipment

Country Status (1)

Country Link
JP (1) JPS58155002U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60181802A (en) * 1984-02-28 1985-09-17 Yokogawa Hokushin Electric Corp Device working in response to light

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS60181802A (en) * 1984-02-28 1985-09-17 Yokogawa Hokushin Electric Corp Device working in response to light

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