JPH0218101U - - Google Patents

Info

Publication number
JPH0218101U
JPH0218101U JP9501688U JP9501688U JPH0218101U JP H0218101 U JPH0218101 U JP H0218101U JP 9501688 U JP9501688 U JP 9501688U JP 9501688 U JP9501688 U JP 9501688U JP H0218101 U JPH0218101 U JP H0218101U
Authority
JP
Japan
Prior art keywords
input signal
circuit
switch
detected
control device
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
JP9501688U
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 JP9501688U priority Critical patent/JPH0218101U/ja
Publication of JPH0218101U publication Critical patent/JPH0218101U/ja
Pending legal-status Critical Current

Links

Description

【図面の簡単な説明】
第1図は本考案の一実施例の構成を示す図で、
IPM;INPUT ISOLATAR MOD
ULE WITHMONITORINGの原理を
わかりやすく示した図である。 1……C接点構成のスイツチ、2……排他的論
理和回路、3……否定回路、4……論理積回路、
5……ロジツク演算部。

Claims (1)

    【実用新案登録請求の範囲】
  1. プラント用のシーケンス制御装置に入力する入
    力信号の異常検出回路であつて、C接点構成のス
    イツチからの入力信号を、排他的論理和回路と論
    理積回路との組合わせからなるロジツク演算部に
    て論理演算することにより、前記スイツチなどの
    故障に起因する入力信号の異常を検出するように
    したことを特徴とするシーケンス制御装置におけ
    る入力信号異常検出回路。
JP9501688U 1988-07-18 1988-07-18 Pending JPH0218101U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP9501688U JPH0218101U (ja) 1988-07-18 1988-07-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP9501688U JPH0218101U (ja) 1988-07-18 1988-07-18

Publications (1)

Publication Number Publication Date
JPH0218101U true JPH0218101U (ja) 1990-02-06

Family

ID=31319624

Family Applications (1)

Application Number Title Priority Date Filing Date
JP9501688U Pending JPH0218101U (ja) 1988-07-18 1988-07-18

Country Status (1)

Country Link
JP (1) JPH0218101U (ja)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54124414A (en) * 1978-03-17 1979-09-27 Bryant Mfg Pty Ltd Stop signal monitor circuit
JPS62210216A (ja) * 1986-03-11 1987-09-16 Toyota Motor Corp 温度スイツチの故障診断方法

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54124414A (en) * 1978-03-17 1979-09-27 Bryant Mfg Pty Ltd Stop signal monitor circuit
JPS62210216A (ja) * 1986-03-11 1987-09-16 Toyota Motor Corp 温度スイツチの故障診断方法

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