JPS63118602U - - Google Patents

Info

Publication number
JPS63118602U
JPS63118602U JP979487U JP979487U JPS63118602U JP S63118602 U JPS63118602 U JP S63118602U JP 979487 U JP979487 U JP 979487U JP 979487 U JP979487 U JP 979487U JP S63118602 U JPS63118602 U JP S63118602U
Authority
JP
Japan
Prior art keywords
processing section
control device
digital
output
logic 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
JP979487U
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 JP979487U priority Critical patent/JPS63118602U/ja
Publication of JPS63118602U publication Critical patent/JPS63118602U/ja
Pending legal-status Critical Current

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Landscapes

  • Feedback Control In General (AREA)
  • Safety Devices In Control Systems (AREA)

Description

【図面の簡単な説明】
第１図は、この考案の一実施例を示す二重化制
御装置のブロツク図、第２図は、従来の二重化制
御装置のブロツク図である。 １０：第１の制御装置、２０：第２の制御装置
、１１，２１：アナログ入力処理部、１２，２２
：デジタル入力処理部、１３，２３：制御演算部
、１４，２４：アナログ出力処理部、１５，２５
：デジタル出力処理部、１６，２６：インバータ
、１７，２７，３０：アンド回路、１８，２８：
オア回路。

Claims (1)

  1. 【実用新案登録請求の範囲】 各々にアナログ入力処理部、デジタル入力処理
    部、制御演算部、アナログ出力処理部及びデジタ
    ル出力処理部を備え、同一のアナログ入力信号及
    びデジタル入力信号を受け、同一の演算を行う第
    １及び第２の制御装置と、 前記第１の制御装置のデジタル出力処理部の出
    力と第１の制御装置系の異常信号とを入力に受け
    る第１の論理回路と、 前記第２の制御装置のデジタル出力処理部の出
    力と第２の制御装置系の異常信号とを入力に受け
    る第２の論理回路と、 前記第１と第２の論理回路の出力を入力に受け
    、論理積を取り、その出力をシステムのデジタル
    出力とする第３の論理回路 とからなる二重化制御装置。
JP979487U 1987-01-26 1987-01-26 Pending JPS63118602U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP979487U JPS63118602U (ja) 1987-01-26 1987-01-26

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP979487U JPS63118602U (ja) 1987-01-26 1987-01-26

Publications (1)

Publication Number Publication Date
JPS63118602U true JPS63118602U (ja) 1988-08-01

Family

ID=30795444

Family Applications (1)

Application Number Title Priority Date Filing Date
JP979487U Pending JPS63118602U (ja) 1987-01-26 1987-01-26

Country Status (1)

Country Link
JP (1) JPS63118602U (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011107807A (ja) * 2009-11-13 2011-06-02 Hitachi Ltd プロセス制御装置

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS559229A (en) * 1978-06-30 1980-01-23 Mitsubishi Electric Corp Dual operation system for system control unit
JPS55119704A (en) * 1979-03-08 1980-09-13 Mitsubishi Electric Corp Control unit
JPS5971503A (ja) * 1982-10-18 1984-04-23 Hitachi Ltd 冗長化制御装置

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS559229A (en) * 1978-06-30 1980-01-23 Mitsubishi Electric Corp Dual operation system for system control unit
JPS55119704A (en) * 1979-03-08 1980-09-13 Mitsubishi Electric Corp Control unit
JPS5971503A (ja) * 1982-10-18 1984-04-23 Hitachi Ltd 冗長化制御装置

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2011107807A (ja) * 2009-11-13 2011-06-02 Hitachi Ltd プロセス制御装置

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