JPS63171046U - - Google Patents

Info

Publication number
JPS63171046U
JPS63171046U JP6459187U JP6459187U JPS63171046U JP S63171046 U JPS63171046 U JP S63171046U JP 6459187 U JP6459187 U JP 6459187U JP 6459187 U JP6459187 U JP 6459187U JP S63171046 U JPS63171046 U JP S63171046U
Authority
JP
Japan
Prior art keywords
bus
communication
redundant
broadcast
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.)
Granted
Application number
JP6459187U
Other languages
English (en)
Other versions
JPH0537559Y2 (ja
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 JP1987064591U priority Critical patent/JPH0537559Y2/ja
Publication of JPS63171046U publication Critical patent/JPS63171046U/ja
Application granted granted Critical
Publication of JPH0537559Y2 publication Critical patent/JPH0537559Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Safety Devices In Control Systems (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Small-Scale Networks (AREA)

Description

【図面の簡単な説明】
第1図は本考案を実施した二重化通信制御装置
の構成を表わす図、第2図は本考案の二重化通信
制御装置を有する通信局が二重化バスに接続され
ているシステムの構成を表わす図である。 S,S1,S2,S3……通信局、L1,L2
……バス、c1,c2……接続コネクタ、1……
二重化通信制御装置、2……通信機能部、11…
…バス異常検出部、12……同報通信送信部、1
3……バス選択部。

Claims (1)

    【実用新案登録請求の範囲】
  1. 二重化されたバスに接続された通信局内に設け
    られた二重化通信制御装置において、前記二重化
    バスのバス異常を検出するバス異常検出部と、こ
    の検出信号により同報通信を行なうように指示す
    る同報通信送信部と、正常な側のバスを選択して
    前記同報通信送信部からの信号を出力し他の通信
    局からバス異常同報通信を受信するとその内容に
    従つてバスを選択するバス選択部とを備えること
    を特徴とする二重化通信制御装置。
JP1987064591U 1987-04-28 1987-04-28 Expired - Lifetime JPH0537559Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1987064591U JPH0537559Y2 (ja) 1987-04-28 1987-04-28

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1987064591U JPH0537559Y2 (ja) 1987-04-28 1987-04-28

Publications (2)

Publication Number Publication Date
JPS63171046U true JPS63171046U (ja) 1988-11-08
JPH0537559Y2 JPH0537559Y2 (ja) 1993-09-22

Family

ID=30900888

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1987064591U Expired - Lifetime JPH0537559Y2 (ja) 1987-04-28 1987-04-28

Country Status (1)

Country Link
JP (1) JPH0537559Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03106145A (ja) * 1989-09-08 1991-05-02 Honeywell Inc ローカルエリアネットワークの各能動モジュールを一対のケーブルを介して通信させる方法

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS559225A (en) * 1978-06-30 1980-01-23 Nissin Electric Co Ltd Check method of double bus
JPS57124950A (en) * 1981-01-27 1982-08-04 Nippon Telegr & Teleph Corp <Ntt> Duplicated bus connecting system
JPS6232739A (ja) * 1985-08-05 1987-02-12 Nec Corp 切換制御方式
JPS62126734A (ja) * 1985-11-27 1987-06-09 Nec Corp ロ−カルエリアネツトワ−クの切換方式

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS559225A (en) * 1978-06-30 1980-01-23 Nissin Electric Co Ltd Check method of double bus
JPS57124950A (en) * 1981-01-27 1982-08-04 Nippon Telegr & Teleph Corp <Ntt> Duplicated bus connecting system
JPS6232739A (ja) * 1985-08-05 1987-02-12 Nec Corp 切換制御方式
JPS62126734A (ja) * 1985-11-27 1987-06-09 Nec Corp ロ−カルエリアネツトワ−クの切換方式

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH03106145A (ja) * 1989-09-08 1991-05-02 Honeywell Inc ローカルエリアネットワークの各能動モジュールを一対のケーブルを介して通信させる方法

Also Published As

Publication number Publication date
JPH0537559Y2 (ja) 1993-09-22

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