DE3840570C2 - - Google Patents

Info

Publication number
DE3840570C2
DE3840570C2 DE19883840570 DE3840570A DE3840570C2 DE 3840570 C2 DE3840570 C2 DE 3840570C2 DE 19883840570 DE19883840570 DE 19883840570 DE 3840570 A DE3840570 A DE 3840570A DE 3840570 C2 DE3840570 C2 DE 3840570C2
Authority
DE
Germany
Prior art keywords
data transmission
data
units
stations
unit
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
DE19883840570
Other languages
German (de)
English (en)
Other versions
DE3840570A1 (de
Inventor
Humie Nagoya Aichi Jp Matuura
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.)
Mitsubishi Electric Corp
Original Assignee
Mitsubishi Electric Corp
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 Mitsubishi Electric Corp filed Critical Mitsubishi Electric Corp
Publication of DE3840570A1 publication Critical patent/DE3840570A1/de
Application granted granted Critical
Publication of DE3840570C2 publication Critical patent/DE3840570C2/de
Granted legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/42—Loop networks
    • H04L12/437—Ring fault isolation or reconfiguration
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • G06F11/00—Error detection; Error correction; Monitoring
    • G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
    • G06F11/16—Error detection or correction of the data by redundancy in hardware
    • G06F11/20—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements
    • G06F11/2002—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where interconnections or communication control functionality are redundant
    • G06F11/2005—Error detection or correction of the data by redundancy in hardware using active fault-masking, e.g. by switching out faulty elements or by switching in spare elements where interconnections or communication control functionality are redundant using redundant communication controllers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Small-Scale Networks (AREA)
  • Safety Devices In Control Systems (AREA)
  • Programmable Controllers (AREA)
DE19883840570 1987-12-01 1988-12-01 Datenuebertragungssystem fuer programmierbare steuereinheiten Granted DE3840570A1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP30391087A JPH01145701A (ja) 1987-12-01 1987-12-01 プログラマブルコントローラのデータリンクシステム

Publications (2)

Publication Number Publication Date
DE3840570A1 DE3840570A1 (de) 1989-06-22
DE3840570C2 true DE3840570C2 (fr) 1991-06-13

Family

ID=17926739

Family Applications (1)

Application Number Title Priority Date Filing Date
DE19883840570 Granted DE3840570A1 (de) 1987-12-01 1988-12-01 Datenuebertragungssystem fuer programmierbare steuereinheiten

Country Status (2)

Country Link
JP (1) JPH01145701A (fr)
DE (1) DE3840570A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4231337A1 (de) * 1991-09-19 1993-04-08 Honda Motor Co Ltd Datenuebertragungssystem

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2575883B2 (ja) * 1989-08-02 1997-01-29 東京瓦斯株式会社 相互バックアップ可能なシーケンサ機構
JPH062407U (ja) * 1992-06-09 1994-01-14 横河電機株式会社 制御装置
JP3460773B2 (ja) * 1996-09-10 2003-10-27 三菱電機株式会社 ２重化ループ伝送方式によるネットワークシステムにおける通信制御方法および２重化ループ伝送方式によるネットワークシステム
GB2369538B (en) 2000-11-24 2004-06-30 Ibm Recovery following process or system failure
US7370239B2 (en) 2001-05-31 2008-05-06 Fisher-Rosemount Systems, Inc. Input/output device with configuration, fault isolation and redundant fault assist functionality

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5947906B2 (ja) * 1980-07-11 1984-11-22 株式会社日立製作所 ル−プ伝送システム
JPS586632A (ja) * 1981-07-06 1983-01-14 Japanese National Railways<Jnr> 情報伝送方式
JPS5949095A (ja) * 1982-09-13 1984-03-21 Fujitsu Ltd 遠隔装置系制御方式

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4231337A1 (de) * 1991-09-19 1993-04-08 Honda Motor Co Ltd Datenuebertragungssystem
DE4231337C2 (de) * 1991-09-19 1999-05-20 Honda Motor Co Ltd Datenübertragungssystem

Also Published As

Publication number Publication date
JPH01145701A (ja) 1989-06-07
DE3840570A1 (de) 1989-06-22

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Legal Events

Date Code Title Description
OP8 Request for examination as to paragraph 44 patent law
D2 Grant after examination
8364 No opposition during term of opposition
8320 Willingness to grant licenses declared (paragraph 23)
8339 Ceased/non-payment of the annual fee