JPH0298286U - - Google Patents

Info

Publication number
JPH0298286U
JPH0298286U JP646089U JP646089U JPH0298286U JP H0298286 U JPH0298286 U JP H0298286U JP 646089 U JP646089 U JP 646089U JP 646089 U JP646089 U JP 646089U JP H0298286 U JPH0298286 U JP H0298286U
Authority
JP
Japan
Prior art keywords
limit switch
valve
operate
multiple contacts
operated
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
JP646089U
Other languages
English (en)
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 filed Critical
Priority to JP646089U priority Critical patent/JPH0298286U/ja
Publication of JPH0298286U publication Critical patent/JPH0298286U/ja
Pending legal-status Critical Current

Links

Landscapes

  • Indication Of The Valve Opening Or Closing Status (AREA)

Description

【図面の簡単な説明】
第1図は本考案の一実施例の異常検知装置のシ
ーケンス回路図、第2図は一般的な電動駆動弁に
設置されているリミツトスイツチの動作設定図で
ある。 ha,ha:全開以上で動作する接点、3
1,32……異常検出回路、20……警報発生器

Claims (1)

  1. 【実用新案登録請求の範囲】 電動弁に設置され、弁の開閉状態を検知するリ
    ミツトスイツチにおいて、 同一設定で動作する複数個の接点の動作状態を
    付き合せ、複数個の接点が同じ設定で動作しない
    場合、又は、設定以外で動作した場合に前記リミ
    ツトスイツチの異常として検知し、警報を発生さ
    せることを特徴とする電動弁リミツトスイツチの
    異常検知装置。
JP646089U 1989-01-25 1989-01-25 Pending JPH0298286U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP646089U JPH0298286U (ja) 1989-01-25 1989-01-25

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP646089U JPH0298286U (ja) 1989-01-25 1989-01-25

Publications (1)

Publication Number Publication Date
JPH0298286U true JPH0298286U (ja) 1990-08-06

Family

ID=31210659

Family Applications (1)

Application Number Title Priority Date Filing Date
JP646089U Pending JPH0298286U (ja) 1989-01-25 1989-01-25

Country Status (1)

Country Link
JP (1) JPH0298286U (ja)

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