JPS6218058B2 - - Google Patents
Info
- Publication number
- JPS6218058B2 JPS6218058B2 JP57035084A JP3508482A JPS6218058B2 JP S6218058 B2 JPS6218058 B2 JP S6218058B2 JP 57035084 A JP57035084 A JP 57035084A JP 3508482 A JP3508482 A JP 3508482A JP S6218058 B2 JPS6218058 B2 JP S6218058B2
- Authority
- JP
- Japan
- Prior art keywords
- signal
- signal supply
- terminal
- supply device
- load
- 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
Links
- 238000000034 method Methods 0.000 claims description 5
- 238000012544 monitoring process Methods 0.000 claims description 2
- 230000005856 abnormality Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000002159 abnormal effect Effects 0.000 description 1
Classifications
-
- 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
- G06F11/18—Error detection or correction of the data by redundancy in hardware using passive fault-masking of the redundant circuits
Description
【発明の詳細な説明】
(1) 発明の技術分野
本発明は負荷が分散された信号供給システムに
係り、とくに信頼性向上のために冗長化された信
号供給システムにおいて障害が発生した場合のフ
エイルセーフ方式に関するものである。[Detailed Description of the Invention] (1) Technical Field of the Invention The present invention relates to a load-distributed signal supply system, and in particular, to a fail-safe system in the event of a failure in a redundant signal supply system to improve reliability. It is related to the method.
(2) 従来技術と問題点
電話交換機においてダイヤルパルスやクロツク
パルス等の信号を供給する信号供給器とこの信号
供給器からダイヤルパルス等の信号供給をうける
負荷とは信頼性を向上し冗長度を増すために負荷
分散された信号供給システムが採用されている。
かゝる信号供給システムにおいては冗長度を増す
方法として第１図のごとく２重化することが行な
われていた。第１図において１ａ，１a′，１ｂ，
１b′…１ｎ，１n′はそれぞれ信号供給器、２ａ，
２ｂ，…，２ｎは負荷である。しかし第１図のご
とき方式においては負荷分散してあるためシステ
ムの規模がほゞ２倍になり大規模となつてしまう
欠点がある。また二重化された各装置において、
障害が発生し系が切替えられたとしても、その予
備系が正常に動作するか否か保障はなく、従つ
て、予備の動作チエツクも定期的に行なう必要が
ある。(2) Prior art and problems A signal supplier that supplies signals such as dial pulses and clock pulses in a telephone exchange and a load that receives signals such as dial pulses from this signal supplier improve reliability and increase redundancy. Therefore, a load-balanced signal supply system is adopted.
In such signal supply systems, duplication as shown in FIG. 1 has been used as a method of increasing redundancy. In Figure 1, 1a, 1a', 1b,
1b'...1n, 1n' are signal suppliers, 2a,
2b,..., 2n are loads. However, the system shown in FIG. 1 has the disadvantage that the system size is approximately doubled, resulting in a large-scale system because the load is distributed. In addition, in each duplex device,
Even if a failure occurs and the system is switched, there is no guarantee that the backup system will operate normally, and therefore it is necessary to periodically check the operation of the backup system.
(3) 発明の目的
本発明の目的は上記従来の欠点に鑑み簡単にし
て信頼度の向上を目的とした信号供給方式のフエ
イルセーフ方式を提供することにある。(3) Object of the Invention An object of the present invention is to provide a fail-safe signal supply system which is simple and has improved reliability in view of the above-mentioned conventional drawbacks.
(4) 発明の構成
そしてこの目的は本発明によればｎ個の系に分
散された負荷装置にそれぞれ対応した信号供給器
をもつ信号供給システムにおいて、前記信号供給
器に相互監視機能をもたせ、ｉ番目（１≦ｉ≦
ｎ）の信号供給器に障害が発生した場合、これか
ら信号の供給を受けていた負荷装置は正常なｉ―
１番目（ｉ＝０のときはｎ番目）の信号供給器を
共有できるように各系をリング状に接続したこと
を特徴とする信号供給システムのフエイルセーフ
方式を提供することによつて達成される。(4) Structure of the Invention According to the present invention, the present invention provides a signal supply system having a signal supply device corresponding to each load device distributed in n systems, in which the signal supply device has a mutual monitoring function, i-th (1≦i≦
If a failure occurs in the signal supply device (n), the load device that was receiving the signal from now on will return to normal i-
This is achieved by providing a fail-safe system for a signal supply system characterized by connecting each system in a ring so that the first (nth when i=0) signal supply device can be shared. .
(5) 発明の実施例 以下本発明の実施例を図面によつて詳述する。(5) Examples of the invention Embodiments of the present invention will be described in detail below with reference to the drawings.
第２図は本発明にかゝる方式の１実施例を示
し、図において３ａ，３ｂ，３ｃ，…，３ｎは信
号供給器、４ａ，４ｂ，…，４ｎは負荷を示す。 FIG. 2 shows an embodiment of the system according to the present invention, in which 3a, 3b, 3c, . . . , 3n indicate signal suppliers and 4a, 4b, . . . , 4n indicate loads.
本発明の要旨とするところは信号供給器３ａ，
３ｂ，…３ｎに自己の状態を表示する端子と相手
の状態を監視する２つの端子を設けこれらを相互
に接続することにより障害発生時に障害を生じた
信号供給器の負荷装置が他の正常な信号供給器を
共有できるようにしたものである。相互に監視を
行なつている信号供給器が同時に障害を起こした
場合には共有が禁止される。第２図においてｉ番
目の信号供給器に障害が発生した場合にはこれか
ら信号の供給を受けていた負荷ｉは正常なｉ―１
番目（ｉ＝０のときはｎ番目）の信号供給器を共
有できるように各系をリング状に接続してある。 The gist of the present invention is that the signal supply device 3a,
3b,...3n are provided with a terminal that displays its own status and two terminals that monitor the other party's status, and by connecting these to each other, when a failure occurs, the load device of the signal supply device that has caused the failure can be connected to another normal This allows the signal supply device to be shared. Sharing is prohibited if signal suppliers that monitor each other fail at the same time. In Fig. 2, if a failure occurs in the i-th signal supply device, the load i that was receiving signal supply from now on is normal i-1.
Each system is connected in a ring shape so that the th (nth when i=0) signal supply device can be shared.
つぎに各信号供給器の制御端子の機能について
説明する。 Next, the functions of the control terminals of each signal supplier will be explained.
(イ) FS端子：監視する信号供給器に障害が発生
した場合に信号を出力する端子であつて、自己
に障害が発生した場合は出力が禁止される。(b) FS terminal: A terminal that outputs a signal when a fault occurs in the signal supply device being monitored; output is prohibited if a fault occurs in itself.
(ロ) FSEN端子：入力端子であつて監視する信号
供給器のSTS端子に接続され、入力があつた場
合に前記FS端子を起動する。(b) FSEN terminal: An input terminal that is connected to the STS terminal of the signal supply device to be monitored, and activates the FS terminal when an input is received.
(ハ) STS端子：障害が発生したことを表示する出
力端子であつて、監視を受けている信号供給器
のFSEN端子および監視している信号供給器
HLD端子とに接続される。(c) STS terminal: An output terminal that indicates that a fault has occurred, and is the FSEN terminal of the signal supplier being monitored and the signal supplier being monitored.
Connected to HLD terminal.
(ニ) HLD端子：入力端子であつて入力があつた
場合監視をうけている信号供給器との出力共有
を禁止する。(d) HLD terminal: This is an input terminal, and when an input is received, output sharing with the signal supply device being monitored is prohibited.
以上の端子を第２図のように接続すると障害を
生じた信号供給器の負荷装置は監視をうけている
正常な信号供給器を障害時に共有することができ
る。 When the above terminals are connected as shown in FIG. 2, the load device of the signal supplier in which the failure has occurred can share the normal signal supplier being monitored in the event of a failure.
第３図に第２図の信号供給器の各内部のブロツ
ク図を示す。第３図において１１は信号発生器で
あつての出力はゲート回路群１２を介してそれぞ
れの負荷に供給されるとともに他方その発生信号
は異常検出器１３に送られる。異常検出器１３に
おいてはその発生信号の異常を監視し正常の場合
は“１”を出力し異常の場合は“０”を出力す
る。自己の信号発生器１１に異常が発生するとゲ
ート回路１５を介してSTS端子に障害が発生した
ことを出力する。またHLD端子より入力がある
とその入力はゲート回路１４を介してゲート回路
群１２に印加されて監視を受けている信号供給器
との出力共有を禁止する。なお自己の信号発生器
が正常の場合他の障害を発生した信号供給回路か
らそのSTS端子を介してFSEN端子に“１”信号
を入力するとゲート回路１６の出力は“１”出力
となつてゲート回路群１７によつてFS端子を起
動してその出力を他の障害を発生した信号供給器
に対応する負荷に供給する。 FIG. 3 shows a block diagram of each internal part of the signal supply device of FIG. 2. In FIG. 3, reference numeral 11 denotes a signal generator, the output of which is supplied to each load via a gate circuit group 12, and the generated signal is sent to an abnormality detector 13. The abnormality detector 13 monitors the generated signal for abnormality and outputs "1" if the signal is normal, and outputs "0" if it is abnormal. When an abnormality occurs in its own signal generator 11, a message indicating that a failure has occurred is outputted to the STS terminal via the gate circuit 15. Further, when there is an input from the HLD terminal, the input is applied to the gate circuit group 12 via the gate circuit 14, and sharing of the output with the signal supplier being monitored is prohibited. If the own signal generator is normal, if a "1" signal is input from another faulty signal supply circuit to the FSEN terminal via its STS terminal, the output of the gate circuit 16 becomes "1" and the gate is closed. The circuit group 17 activates the FS terminal and supplies its output to the load corresponding to the other faulty signal supplier.
(6) 発明の効果
以上詳細に説明したように本発明の１実施例に
よれば負荷分散された信号供給システムにおい
て、パツケージの数を増やすくことなく冗長度を
増すことができるいう効果がある。また、各装置
を二重化して障害時に系切替えを行なう従来形式
に比べ、本発明のものは、稼動中の装置から切替
え供給を行なうため信頼性上も高いものとなる。(6) Effects of the Invention As explained in detail above, one embodiment of the present invention has the effect that redundancy can be increased without increasing the number of packages in a load-balanced signal supply system. . Furthermore, compared to the conventional system in which each device is duplicated and system switching is performed in the event of a failure, the system of the present invention is highly reliable because the switching supply is performed from the operating device.
第１図は従来の信号供給システムのフエイルセ
ーフ方式の１例のブロツク図、第２図は本発明に
かゝる信号供給システムのフエイルセーフ方式の
１実施例のブロツク図、第３図は第２図における
信号供給器の１実施例の詳細ブロツク図である。
図面において、３ａ，３ｂ，…，３ｎは信号供
給器、４ａ，４ｂ，…，４ｎは負荷、１１は信号
発生器、１２はゲート回路群、１３は異常検出
器、１４，１５，１６はゲート回路、１７はゲー
ト回路群をそれぞれ示す。
FIG. 1 is a block diagram of an example of a fail-safe method of a conventional signal supply system, FIG. 2 is a block diagram of an embodiment of a fail-safe method of a signal supply system according to the present invention, and FIG. 1 is a detailed block diagram of one embodiment of a signal provider in FIG. In the drawing, 3a, 3b,..., 3n are signal suppliers, 4a, 4b,..., 4n are loads, 11 is a signal generator, 12 is a gate circuit group, 13 is an abnormality detector, and 14, 15, 16 are gates. The circuit and 17 indicate a group of gate circuits, respectively.
Claims (1)
応した信号供給器をもつ信号供給システムにおい
て、前記信号供給器に相互監視機能をもたせ、ｉ
番目（１≦ｉ≦ｎ）の信号供給器に障害が発生し
た場合、これから信号の供給を受けていた負荷装
置は正常なｉ―１番目（ｉ＝０のときはｎ番目）
の信号供給器を共有できるように各系をリング状
に接続したことを特徴とする信号供給システムの
フエイルセーフ方式。1. In a signal supply system having a signal supply device corresponding to each load device distributed in n systems, the signal supply device is provided with a mutual monitoring function, and i
If a failure occurs in the th (1≦i≦n) signal supply device, the load device that was receiving the signal from now on is the normal i-1th (if i = 0, the nth)
A fail-safe method of signal supply system characterized by connecting each system in a ring shape so that the signal supply device can be shared.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57035084A JPS58154048A (en) | 1982-03-08 | 1982-03-08 | Fail-safe system of signal feed system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP57035084A JPS58154048A (en) | 1982-03-08 | 1982-03-08 | Fail-safe system of signal feed system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS58154048A JPS58154048A (en) | 1983-09-13 |
| JPS6218058B2 true JPS6218058B2 (en) | 1987-04-21 |
Family
ID=12432099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP57035084A Granted JPS58154048A (en) | 1982-03-08 | 1982-03-08 | Fail-safe system of signal feed system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58154048A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03261436A (en) * | 1990-03-13 | 1991-11-21 | Sanyo Electric Co Ltd | Tableware washing and drying machine |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008225819A (en) * | 2007-03-13 | 2008-09-25 | Nec Personal Products Co Ltd | Information processing system, terminal, and program |
-
1982
- 1982-03-08 JP JP57035084A patent/JPS58154048A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03261436A (en) * | 1990-03-13 | 1991-11-21 | Sanyo Electric Co Ltd | Tableware washing and drying machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS58154048A (en) | 1983-09-13 |
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