JPS58133805U - process control circuit - Google Patents

process control circuit

Info

Publication number
JPS58133805U
JPS58133805U JP2773482U JP2773482U JPS58133805U JP S58133805 U JPS58133805 U JP S58133805U JP 2773482 U JP2773482 U JP 2773482U JP 2773482 U JP2773482 U JP 2773482U JP S58133805 U JPS58133805 U JP S58133805U
Authority
JP
Japan
Prior art keywords
process control
signal
level
analog operational
control circuit
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
JP2773482U
Other languages
Japanese (ja)
Inventor
川副　隆
Original Assignee
株式会社島津製作所
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 株式会社島津製作所 filed Critical 株式会社島津製作所
Priority to JP2773482U priority Critical patent/JPS58133805U/en
Publication of JPS58133805U publication Critical patent/JPS58133805U/en
Pending legal-status Critical Current

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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]

図は、本考案の一実施例の全体の構成図である。 ＩＦ・・・入力インターフェース、ＭＣ・・・マイクロ
コンピュータ、ＯＦ・・・出力インターフェース、ＡＭ
Ｐｌ・・・第１の演算増幅器、ＡＭＰ２・・・第２の演
算増幅器、ＳＷ、・・・自動／手動モード切換スイッチ
、ＳＷ２・・・手動モード切換スイッチ、ＥＰｓ・・・
第１のプロセス制御信号。 皿　　　テ１シ“タル！寅ｍｖＩｎイ舒１１The figure is an overall configuration diagram of an embodiment of the present invention. IF...Input interface, MC...Microcomputer, OF...Output interface, AM
Pl...first operational amplifier, AMP2...second operational amplifier, SW,...automatic/manual mode changeover switch, SW2...manual mode changeover switch, EPs...
A first process control signal. Plate Te1shi “Taru!Tora mvIni Shu11”

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] プロセス信号と設定信号との偏差値に対応するプロセス
制御信号に基づいてＰＩ動作による演算を行うとともに
その演算結果に対応する操作信号を出力部から出力する
アナログ演算増幅手段と、アナログ演算増幅手段の出力
部からの操作信号のレベルが、入力されるプロセス制御
信号に応答し、−で予め定められた限界値に到達したと
き、当該操作信号に基づいてアナログ演算増幅手段の演
算増幅動作レベルをロックする一方、操作信号のレベル
や前記限界値以下にするプロセス制御信号がアナログ演
算増幅手段に入力されたときはそのロックを解除する信
号を当該アナログ演算増幅手段に送出する手段とを含む
ことを特徴とする、プロセス制御回路。Analog operational amplification means performs calculation by PI operation based on the process control signal corresponding to the deviation value between the process signal and the setting signal, and outputs an operation signal corresponding to the calculation result from the output section; When the level of the operation signal from the output section responds to the input process control signal and reaches a predetermined limit value in -, the operational amplification operation level of the analog operational amplification means is locked based on the operation signal. On the other hand, when the level of the operation signal or the process control signal that makes the level below the limit value is input to the analog operational amplifying means, the analog operational amplifying means sends a signal for releasing the lock to the analog operational amplifying means. A process control circuit.
JP2773482U 1982-02-27 1982-02-27 process control circuit Pending JPS58133805U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2773482U JPS58133805U (en) 1982-02-27 1982-02-27 process control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2773482U JPS58133805U (en) 1982-02-27 1982-02-27 process control circuit

Publications (1)

Publication Number Publication Date
JPS58133805U true JPS58133805U (en) 1983-09-09

Family

ID=30039616

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2773482U Pending JPS58133805U (en) 1982-02-27 1982-02-27 process control circuit

Country Status (1)

Country Link
JP (1) JPS58133805U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003122401A (en) * 2001-10-11 2003-04-25 Omron Corp Controller

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5337505A (en) * 1976-09-20 1978-04-06 Kawasaki Heavy Ind Ltd Recovering apparatus for sensible heat of cooling water in converter waste gas treating equipment

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5337505A (en) * 1976-09-20 1978-04-06 Kawasaki Heavy Ind Ltd Recovering apparatus for sensible heat of cooling water in converter waste gas treating equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003122401A (en) * 2001-10-11 2003-04-25 Omron Corp Controller

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