JPS594005U - Control unit abnormal operation prevention circuit - Google Patents

Control unit abnormal operation prevention circuit

Info

Publication number
JPS594005U
JPS594005U JP9460882U JP9460882U JPS594005U JP S594005 U JPS594005 U JP S594005U JP 9460882 U JP9460882 U JP 9460882U JP 9460882 U JP9460882 U JP 9460882U JP S594005 U JPS594005 U JP S594005U
Authority
JP
Japan
Prior art keywords
abnormal operation
operating
prevention circuit
control unit
operation prevention
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
JP9460882U
Other languages
Japanese (ja)
Inventor
有川　清
Original Assignee
横河電機株式会社
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 横河電機株式会社 filed Critical 横河電機株式会社
Priority to JP9460882U priority Critical patent/JPS594005U/en
Publication of JPS594005U publication Critical patent/JPS594005U/en
Pending legal-status Critical Current

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  • Safety Devices In Control Systems (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]

図は、本考案の一実施例を示す電気的構成図である。 １・・・設定値回路、２・・・駆動回路、３．４・・・
判別回路、５・・・励磁コイル、６・・・調節弁、７・
・・検出器、８・・・リレー、ＲＬ工、ＲＬ２′・・・
リレー接点、ＳＨ□。 ＳＨ２，ＳＬｌ、ＳＬ２・・・スイッチ、ＳＷ・・・ス
イッチ。The figure is an electrical configuration diagram showing an embodiment of the present invention. 1... Set value circuit, 2... Drive circuit, 3.4...
Discrimination circuit, 5... Excitation coil, 6... Control valve, 7.
...Detector, 8...Relay, RL work, RL2'...
Relay contact, SH□. SH2, SLl, SL2...switch, SW...switch.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 操作部の動作目標と実際の動作値との偏差を駆動回路を
介して操作部に与えるように構成された制御系において
、前記駆動回路の入力部と出力部に、偏差が予め定めら
れた許容差内にあるかどうかを判別する判別回路を設け
、これら両判別回路の出力の位相が異ったときに操作部
への駆動信号を遮断するようにしたことを特徴とする操
作部の異常動作防止回路。In a control system configured to provide a deviation between a target operating value and an actual operating value of an operating unit to the operating unit via a drive circuit, the input unit and the output unit of the drive circuit are provided with a predetermined tolerance for the deviation. Abnormal operation of the operating section, characterized in that a discriminating circuit is provided for discriminating whether the difference is within the difference, and a drive signal to the operating section is cut off when the outputs of the two discriminating circuits have different phases. prevention circuit.
JP9460882U 1982-06-24 1982-06-24 Control unit abnormal operation prevention circuit Pending JPS594005U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9460882U JPS594005U (en) 1982-06-24 1982-06-24 Control unit abnormal operation prevention circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9460882U JPS594005U (en) 1982-06-24 1982-06-24 Control unit abnormal operation prevention circuit

Publications (1)

Publication Number Publication Date
JPS594005U true JPS594005U (en) 1984-01-11

Family

ID=30226381

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9460882U Pending JPS594005U (en) 1982-06-24 1982-06-24 Control unit abnormal operation prevention circuit

Country Status (1)

Country Link
JP (1) JPS594005U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61253517A (en) * 1985-05-07 1986-11-11 Nippon Tairan Kk Controller for fluid flow rate

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61253517A (en) * 1985-05-07 1986-11-11 Nippon Tairan Kk Controller for fluid flow rate

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