JPS6072441A - Data highway system - Google Patents
Data highway systemInfo
- Publication number
- JPS6072441A JPS6072441A JP58181128A JP18112883A JPS6072441A JP S6072441 A JPS6072441 A JP S6072441A JP 58181128 A JP58181128 A JP 58181128A JP 18112883 A JP18112883 A JP 18112883A JP S6072441 A JPS6072441 A JP S6072441A
- Authority
- JP
- Japan
- Prior art keywords
- node
- data
- station
- highway
- diagnostic
- 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
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
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Small-Scale Networks (AREA)
Abstract
Description
【発明の詳細な説明】
（イ）発明の技術分野
本発明は、少なくとも１台のハイウェイ監視ノード゛と
複数台のステーションノードを二重化された環状のデー
タ伝送路に接続し、任意のステーションノード間でデー
タの授受を行うデータハイウェイにおけるステーション
ノード診断方式に関する。Detailed Description of the Invention (a) Technical Field of the Invention The present invention connects at least one highway monitoring node and a plurality of station nodes to a redundant circular data transmission path, and transmits data between any station nodes. This paper relates to a station node diagnosis method on a data highway that exchanges data.
（ロ）従来技術と問題点
第１図はデータハイウェイシステムの概念を示す図であ
る。図中、ｌはハイウェイ監視ノード。(b) Prior art and problems FIG. 1 is a diagram showing the concept of a data highway system. In the figure, l is a highway monitoring node.
２〜６はステーションノード、７は現用系データ伝送路
、８は予備系データ伝送路、９〜１６はデータ端末を示
す。2 to 6 are station nodes, 7 is a working data transmission line, 8 is a protection data transmission line, and 9 to 16 are data terminals.
今、ステーションノード３に障害が発生ずると、第２図
に示す様に、ステーションノートを現用系。Now, if a failure occurs in station node 3, the station node will be switched to the active system as shown in Figure 2.
予備系共バイパス状態、つまりデータ伝送路から。From the standby system bypass state, that is, from the data transmission path.
切り放した状態にして、システムを縮退させ、運用を行
っていた。従来方式では、ステーションノードがデータ
伝送路から切り放された状態になるため、保守者がバイ
パスされた、ステーションノードの場所まで出向き、調
査するため、多大の時間を必要とする欠点がある。The system was left disconnected and operated in a degraded manner. In the conventional method, the station node is disconnected from the data transmission path, so maintenance personnel have to go to the location of the bypassed station node and investigate, which requires a large amount of time.
（ハ）発明の目的
本発明の目的とするところは、上記欠点を除去するため
に、予備系のデータ伝送路を用いて、ハイウェイ監視ノ
ードから診断データを送出し、現用系伝送路がバイパス
されたステーションノードからの折り返しデータにより
、障害箇所を切分ける方法を用い、ステーションノード
設置場所まで出！ことなく、障害の箇所を検出可能なデ
ータム イ方式を提供することにある。(c) Purpose of the Invention The purpose of the present invention is to eliminate the above-mentioned drawbacks by transmitting diagnostic data from the highway monitoring node using a backup data transmission line so that the active transmission line is bypassed. Using the return data from the station node, we can use a method to isolate the failure point and trace it to the station node installation location! The objective of the present invention is to provide a datum system that can detect the location of a failure without any trouble.
（ニ）発明の構成′−
ジョンノードを二重化された環状のデータ伝送路に接続
し、該任意のステーションノート−間でデータの授受を
行なうデータハイウエイシステＪ・において、上記ステ
ーションノードには自ノーｔ”内の異常を検出し上記ハ
イウェイ監視ノードに通知する異常検出通知手段と、上
記ハイウェイ監視ノードの指示により起動され折り返し
制御等を行なう診断手段を具備し、上記ハイウェイ監視
ノードには上記ステーションノードとの間で伝送路を介
して送受される診断データの送信／受信手段を具備し、
上記ハイウェイ監視ノードは上記ステーションノードか
ら異常を通知されると当該ステーションノードを現用系
伝送路からバイパス状態にせしめ、予備系伝送路から当
該ステーションノートに対し診断データを送出し、当該
ステーションノードの上記診断手段の制御により作成さ
れた診断応答データにもとづいて当該ステーションノー
ドの診断を行なうよう構成したことを特徴とする。(D) Structure of the Invention' - In a data highway system J in which John nodes are connected to a redundant ring-shaped data transmission path and data is exchanged between any station nodes, the station node has its own node. t", and an abnormality detection and notification means for detecting an abnormality within the highway monitoring node and notifying the highway monitoring node; and a diagnostic means activated by an instruction from the highway monitoring node to perform return control, etc.; comprising means for transmitting/receiving diagnostic data transmitted and received via a transmission line between the
When the highway monitoring node is notified of an abnormality from the station node, it puts the station node into a bypass state from the active transmission line, sends diagnostic data to the station note from the backup transmission line, and The present invention is characterized in that the station node is diagnosed based on diagnostic response data created under the control of the diagnostic means.
（ホ）発明の実施例 以下、本発明を図面を用いて詳細に説明する。(E) Examples of the invention Hereinafter, the present invention will be explained in detail using the drawings.
第３図は本発明の実施例のステーションノードのブ１０
ツク図である。図中、３１は現用系データ伝送し各、３
２・は予備系データ伝送路、３３は現用。FIG. 3 shows a block 10 of a station node according to an embodiment of the present invention.
This is a diagram. In the figure, 31 indicates the active system data transmission, and 3
2 is a backup data transmission line, and 33 is a current line.
系吊一部、３４は予備系中継部、３５は並／直列変換部
、ａ、ｅはデータバッファレジスタ部、３７は切一部、
３８は直／並列変換部、３９は同期フラグ練出部、４０
はタイミング作成部、４１は異常稜ｉ通知部、４２ＥＥ
通制御部、４３〜４６は回線→応部、４７は 制御、部
を示す。34 is a standby system relay section, 35 is a parallel/serial conversion section, a and e are data buffer register sections, 37 is a cutting section,
38 is a serial/parallel conversion unit, 39 is a synchronization flag generation unit, 40
is the timing creation section, 41 is the abnormal edge i notification section, 42EE
A communication control section, 43 to 46 are line-to-line response sections, and 47 is a control section.
第□４図は本発明の 例の：ハイウエイ監視ノードのし
゛ロッダ図であるし図中５１は現用系データ伝送１７Ｌ
５２は予備＝國−ダ伝送路、５３は現用系中−７ｔ、ｆ
：予 中継部、５５は並／直列変換部 ５ −タ：バソ
アアレジスタ部、５７は切賛部、５ は直／１並列変換
部、５９は同期フラグ掻出部、６０はタイミング作成部
、６１は共通側４１１部、６１２．；ｋｔ イ１’）
ｏ ７”ｔ：１ （！、７１４Ｂ、６３ 、；ｔ：ジ−
１ドオンリンそり部□（ＲｏｔＭ）、６４はランダムア
トセスメ号り部（１ＲＡＭ）、６５は受ｆ′言診断デー
レレジズ〉部、６：６は送信診断レジスタ部。Figure □4 is a rodder diagram of the highway monitoring node according to an example of the present invention, and 51 in the figure is the active data transmission 17L.
52 is a backup = national transmission line, 53 is a working system - 7t, f
：Pre-relay section, 55 is a parallel/serial conversion section, 5-ta: Bassoa register section, 57 is a serial conversion section, 5 is a serial/1 parallel conversion section, 59 is a synchronization flag scraping section, 60 is a timing creation section, 61 is a Common side 411 parts, 612. ;kt i1')
o 7”t:1 (!, 714B, 63,;t:G-
64 is a random assessment register section (1RAM), 65 is a reception diagnosis register section, and 6:6 is a transmission diagnosis register section.
６７：：Ｉ７ツ４イア多ッ、−ユ部を示す。67:: Indicates the I7 4 ia ta, -yu part.
第５図は本発明に用いるデータ伝送路を流れるデータ形
式フレームを示す図である。図からも明らかな様に、フ
レームはフレームヘッダ部とデータ部から成る。FIG. 5 is a diagram showing a data format frame flowing through a data transmission path used in the present invention. As is clear from the figure, a frame consists of a frame header section and a data section.
ステーションノードにおいて、異常検出通知部４１が何
らかの異常を検出すると、該異常検出通知部４１は、切
替部３７を介して上記フレームに自ノードのアドレスと
異常内容を書き込み、ノ＼イウェイ監視ノードに通知す
る。In the station node, when the abnormality detection notification unit 41 detects some abnormality, the abnormality detection notification unit 41 writes the address of the own node and the abnormality details in the above frame via the switching unit 37, and notifies the no\way monitoring node. do.
一方、ハイウェイ監視ノードは、ステーションノードか
ら異常通知を受取ると、上記フレームを用いて、該ステ
ーションノードに対して□現用系のバイパス指令を送出
する。バイパス指令を受取ったステーションノードは、
現用系の中継部３３でバイパス状態にする。On the other hand, when the highway monitoring node receives the abnormality notification from the station node, it uses the above frame to send out a bypass command for the active system to the station node. The station node that received the bypass command will
The active system relay section 33 is put into a bypass state.
ハイウェイ監視ノードは異常が発生しているステーショ
ンノードに対して、マイクロプロセッサ部６２の制御に
て、予備系データ伝送路側に診断データを送出する。The highway monitoring node sends diagnostic data to the standby data transmission path side under the control of the microprocessor unit 62 for the station node where the abnormality has occurred.
ステーションノードは予備系からの診断データを受ける
と、診断データに付加されている折り返し条件に従い、
診断制御部４７が折り返し制御を行い、診断応答データ
をハイウェイ監視ノードに送出する。When the station node receives diagnostic data from the standby system, it follows the loopback conditions attached to the diagnostic data.
The diagnostic control unit 47 performs return control and sends diagnostic response data to the highway monitoring node.
ハイウェイ監視ノードはステーションノードからの診断
データと送出した診断データを比較することにより、ス
テーションノードの異常箇所を見付ける。The highway monitoring node finds abnormalities in the station node by comparing the diagnostic data from the station node with the transmitted diagnostic data.
（へ）発明の詳細
な説明した如く、本発明では異常が発生したステーショ
ンノードを現用系データ伝送路から切り放し、予備系デ
ータ伝送路を用いて、ハイウェイ監視装置から診断デー
タを送出し、障害箇所の発見を行なうようにしたので、
保守者が現地へ、テストツール、測定器等を持っ４行き
、開査する方法に比べて、保守時間が短縮する効果を有
する。(f) As described in detail, in the present invention, a station node in which an abnormality has occurred is disconnected from the active data transmission path, and the backup data transmission path is used to send diagnostic data from the highway monitoring device to the location of the fault. I decided to make the discovery of
This method has the effect of shortening maintenance time compared to the method in which maintenance personnel go to the site with test tools, measuring instruments, etc. and conduct an inspection.
第１図はデータハイウェイシステムの概念を示す図、第
２図はステーシリンノードのバイパス状態の概念を示す
図、第３図は本発明の実施例のステーションノードのブ
ロック図、第４図は本発明の実施例のハイウェイ監視ノ
ードのブロック図。
第５図は伝送路を流れるデータ形式フレー１１を示ず図
である。
第 １ 閃
〆
三
１１）
／３
第２図FIG. 1 is a diagram showing the concept of the data highway system, FIG. 2 is a diagram showing the concept of the bypass state of the stationary node, FIG. 3 is a block diagram of the station node according to the embodiment of the present invention, and FIG. FIG. 1 is a block diagram of a highway monitoring node according to an embodiment of the invention. FIG. 5 is a diagram without showing the data format frame 11 flowing through the transmission path. Part 1 Senki 311) /3 Figure 2
Claims (1)
ーションノードを二重化された環状のデータ伝送路に接
続し、該任意のステーションノード間でデータの授受を
行なうデータハイウェイシステムにおいて、」二記ステ
ーションノードには自ノード内の異常を検出し上記ハイ
ウェイ監視ノードに通知する界雷検出通知手段と、上記
ハイウェイ監視ノードの指示により起動され折り返し制
御等を行なう診断手段を具備し、上記ハイウェイ監視ノ
ードには上記ステーションノードとの間で伝送路を介し
て送受される診Ｉυｉデータの送信／受信手段を具備し
、上記ハイウェイ監視ノードは上記ステーションノート
ドから異品を通知されると当該ステーションノードを現
用系伝送路からバイパス状態にせしめ、予備系伝送路か
ら当該ステーションノードに対し診Ｗ１データを送出し
、当該ステーションノードの上記診断手段の制御により
作成された診断応答データにもとづいて当該ステーショ
ンノードの診断を行なうよう構成したことを特徴とする
データハイウェイ方式。In a data highway system in which one highway monitoring node and a plurality of station nodes are connected to a redundant circular data transmission path and data is exchanged between any of the station nodes, The highway monitoring node is equipped with a field lightning detection notification means that detects an abnormality within its own node and notifies the highway monitoring node, and a diagnostic means that is activated by instructions from the highway monitoring node and performs return control, etc. The highway monitoring node is equipped with means for transmitting/receiving diagnostic Iυi data to and from the station node via a transmission path, and when the highway monitoring node is notified of a foreign item from the station node, the station node is transferred to the active system. The transmission line is put into a bypass state, the standby transmission line sends diagnosis W1 data to the station node, and the station node is diagnosed based on the diagnosis response data created by the control of the diagnosis means of the station node. A data highway method characterized by being configured to perform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58181128A JPS6072441A (en) | 1983-09-29 | 1983-09-29 | Data highway system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP58181128A JPS6072441A (en) | 1983-09-29 | 1983-09-29 | Data highway system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6072441A true JPS6072441A (en) | 1985-04-24 |
Family
ID=16095354
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP58181128A Pending JPS6072441A (en) | 1983-09-29 | 1983-09-29 | Data highway system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6072441A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6446346A (en) * | 1987-08-14 | 1989-02-20 | Nippon Telegraph & Telephone | System for constituting transmission group system |
| JPS6446347A (en) * | 1987-08-14 | 1989-02-20 | Nippon Telegraph & Telephone | System for constituting transmission group system |
-
1983
- 1983-09-29 JP JP58181128A patent/JPS6072441A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6446346A (en) * | 1987-08-14 | 1989-02-20 | Nippon Telegraph & Telephone | System for constituting transmission group system |
| JPS6446347A (en) * | 1987-08-14 | 1989-02-20 | Nippon Telegraph & Telephone | System for constituting transmission group system |
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