JPS63181038U - - Google Patents

Info

Publication number
JPS63181038U
JPS63181038U JP7106187U JP7106187U JPS63181038U JP S63181038 U JPS63181038 U JP S63181038U JP 7106187 U JP7106187 U JP 7106187U JP 7106187 U JP7106187 U JP 7106187U JP S63181038 U JPS63181038 U JP S63181038U
Authority
JP
Japan
Prior art keywords
bus
token
communication
received
request
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
JP7106187U
Other languages
English (en)
Other versions
JPH0533089Y2 (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 JP7106187U priority Critical patent/JPH0533089Y2/ja
Publication of JPS63181038U publication Critical patent/JPS63181038U/ja
Application granted granted Critical
Publication of JPH0533089Y2 publication Critical patent/JPH0533089Y2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Detection And Prevention Of Errors In Transmission (AREA)
  • Small-Scale Networks (AREA)

Description

【図面の簡単な説明】
第１図は本考案の二重化通信制御装置を含む通
信局の構成を表わす図、第２図は複数個の通信局
を有する通信システムを表わす図、第３図は二重
化バス上の信号の状態を表わす図である。 Ｓ，Ｓ１，Ｓ２，Ｓ３，Ｓ４…通信局、Ｌ１，
Ｌ２…バス、１…二重化通信制御装置、１１…バ
ス選択部、１２…トークン伝達確認部、１３…バ
ス切り換え部。

Claims (1)

    【実用新案登録請求の範囲】
  1. 二重化されたトークン・バス方式の通信システ
    ムを構成する通信局内に設けられた二重化通信制
    御装置において、トークン送出後このトークンを
    送出した側の通信バス上の搬送波を確認すること
    によりトークン伝達の確認を行なうトークン伝達
    確認部と、一方の通信バスから前記トークンを受
    信した場合に自己の通信局に通信要求が存在すれ
    ばこの通信を前記トークンを受信した側のバスを
    用いて行ない通信要求がなければ前記トークンを
    受信した側のバスに前記トークンを送信するバス
    選択部と、自己の通信局番号が最小の場合に前記
    トークンを受信した側のバスに一定時間搬送波を
    送出しその後他方のバスに切り換えて前記トーク
    ンを送出するバス切り換え部とを有することを特
    徴とする二重化通信制御装置。
JP7106187U 1987-05-13 1987-05-13 Expired - Lifetime JPH0533089Y2 (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP7106187U JPH0533089Y2 (ja) 1987-05-13 1987-05-13

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP7106187U JPH0533089Y2 (ja) 1987-05-13 1987-05-13

Publications (2)

Publication Number Publication Date
JPS63181038U true JPS63181038U (ja) 1988-11-22
JPH0533089Y2 JPH0533089Y2 (ja) 1993-08-24

Family

ID=30913281

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7106187U Expired - Lifetime JPH0533089Y2 (ja) 1987-05-13 1987-05-13

Country Status (1)

Country Link
JP (1) JPH0533089Y2 (ja)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02243038A (ja) * 1989-03-15 1990-09-27 Yokogawa Electric Corp 通信制御方法

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH02243038A (ja) * 1989-03-15 1990-09-27 Yokogawa Electric Corp 通信制御方法

Also Published As

Publication number Publication date
JPH0533089Y2 (ja) 1993-08-24

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