JPH0561820B2 - - Google Patents

Info

Publication number
JPH0561820B2
JPH0561820B2 JP62224072A JP22407287A JPH0561820B2 JP H0561820 B2 JPH0561820 B2 JP H0561820B2 JP 62224072 A JP62224072 A JP 62224072A JP 22407287 A JP22407287 A JP 22407287A JP H0561820 B2 JPH0561820 B2 JP H0561820B2
Authority
JP
Japan
Prior art keywords
cpu
port number
communication
transmitting
cpus
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.)
Expired - Fee Related
Application number
JP62224072A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6468042A (en
Inventor
Wataru Sasaki
Sumihisa Saito
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP62224072A priority Critical patent/JPS6468042A/ja
Publication of JPS6468042A publication Critical patent/JPS6468042A/ja
Publication of JPH0561820B2 publication Critical patent/JPH0561820B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Hardware Redundancy (AREA)
  • Multi Processors (AREA)
  • Detection And Prevention Of Errors In Transmission (AREA)
  • Small-Scale Networks (AREA)
JP62224072A 1987-09-09 1987-09-09 Communication method Granted JPS6468042A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP62224072A JPS6468042A (en) 1987-09-09 1987-09-09 Communication method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP62224072A JPS6468042A (en) 1987-09-09 1987-09-09 Communication method

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP6211246A Division JPH07182190A (ja) 1994-09-05 1994-09-05 マルチ二重化システム

Publications (2)

Publication Number Publication Date
JPS6468042A JPS6468042A (en) 1989-03-14
JPH0561820B2 true JPH0561820B2 (en]) 1993-09-07

Family

ID=16808122

Family Applications (1)

Application Number Title Priority Date Filing Date
JP62224072A Granted JPS6468042A (en) 1987-09-09 1987-09-09 Communication method

Country Status (1)

Country Link
JP (1) JPS6468042A (en])

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP4836979B2 (ja) * 2008-03-07 2011-12-14 三菱電機株式会社 二重化プログラマブルコントローラ
US11578390B2 (en) 2018-02-26 2023-02-14 Tupy S. A. Gray cast iron alloy, and internal combustion engine head

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6013215B2 (ja) * 1977-02-28 1985-04-05 富士通株式会社 システム制御方式

Also Published As

Publication number Publication date
JPS6468042A (en) 1989-03-14

Similar Documents

Publication Publication Date Title
JP2553193B2 (ja) ネットワーク制御パス網の予備回線制御方式
CZ385391A3 (en) Communication system
JPH0239144B2 (en])
JPH0561820B2 (en])
JPH0473178B2 (en])
JP3149047B2 (ja) 二重化データ処理装置
JPH07182190A (ja) マルチ二重化システム
JPH11127179A (ja) 二重化通信制御装置
JP2658129B2 (ja) データ伝送装置
JP2645433B2 (ja) 計算機システム
JPH0358214B2 (en])
JP2645134B2 (ja) 復旧信号リンクへのメッセージ送出制御方式
JPS61287350A (ja) 多重通信路デ−タ伝送方式
JPH0486133A (ja) 二重化データリンクのスタンバイリンク同期検出方式
JPS6074848A (ja) シリアルデ−タ転送方式
JPH0738655B2 (ja) 予備系処理プロセッサによる回線処理部へのアクセス可否事前識別方法
JPH03178234A (ja) 二重化伝送路の伝送方式
JPS61204757A (ja) プロセツサ間通信方式
JPS6159935A (ja) 呼識別方式
JPS5858629A (ja) バス切替方式
JPS6242644A (ja) 通信制御装置
JPS59188244A (ja) 系切替え方式
JPH04158648A (ja) デュアルｌａｎ制御方式
JPH0582100B2 (en])
JPH07105798B2 (ja) ネツトワ−クの２重化方法

Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees