JP2505299B2 - No-response judgment method for multiplexing system - Google Patents
No-response judgment method for multiplexing systemInfo
- Publication number
- JP2505299B2 JP2505299B2 JP2066704A JP6670490A JP2505299B2 JP 2505299 B2 JP2505299 B2 JP 2505299B2 JP 2066704 A JP2066704 A JP 2066704A JP 6670490 A JP6670490 A JP 6670490A JP 2505299 B2 JP2505299 B2 JP 2505299B2
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- processing device
- response
- power supply
- processing
- input power
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Description
【発明の詳細な説明】 〔概要〕 相互監視を行う多重化システムにおいて、電源の瞬断
を判定して無応答発生要因の判別を行い得る多重化シス
テムの無応答判定システムに関し、 瞬断その他の外部要因による無応答か、処理装置の内
部要因による無応答かを簡単に判別してその結果を異常
処理に用いることを目的とし、 冗長構成の多重化システムにおいて、他系処理装置の
入力電源が瞬断し、そして該入力電源が復電した情報を
自系処理装置において取り込んで該自系処理装置におい
て前記他系処理装置の無応答が該他系処理装置の入力電
源の瞬断によるものか他の要因によるものかの判別をし
てその情報を前記自系処理装置での異常処理に用いるよ
うにした。DETAILED DESCRIPTION OF THE INVENTION [Overview] In a multiplex system for mutual monitoring, a non-response determination system for a multiplex system capable of determining a non-response occurrence factor by determining a momentary power interruption, In order to easily determine whether there is no response due to an external factor or no response due to an internal factor of the processing unit and use the result for abnormal processing, in the redundant configuration of the redundant system, the input power supply of other system processing unit Whether the non-response of the other system processing device in the own system processing device is due to the momentary interruption of the input power supply of the other system processing device by capturing the information that the input power supply is restored to power It is determined whether or not it is due to other factors, and the information is used for the abnormal processing in the own processing device.
本発明は、相互監視を行う多重化システムにおいて、
電源の瞬断を判定して無応答発生要因の判別を行い得る
多重化システムの無応答判定システムに関する。The present invention is a multiplex system for mutual monitoring,
The present invention relates to a no-response determination system of a multiplexing system capable of determining a momentary power failure and determining a cause of no-response.
近年、オンラインシステムの高信頼性化の要求に伴
い、多重化システムが提供されている。2. Description of the Related Art In recent years, a multiplexing system has been provided in response to a demand for higher reliability of online systems.
多重化システムでは、運用系、待機系間で通信を行っ
て他系処理装置の正常性を監視している。待機系は、運
用系が無応答のときには運用系の異常発生とみなし、運
用系の処理を代行するとともに、運用系の異常発生をオ
ペレータに通知していた。In the multiplex system, communication between the active system and the standby system is performed to monitor the normality of the other system processing device. When the standby system does not respond, the standby system considers it to be an abnormal system operation, substitutes the processing of the active system, and notifies the operator of the abnormal system system operation.
ところで、運用状態にある処理装置に瞬断が発生した
場合には、電源の復旧に応じて、再立ち上げ処理が行わ
れている。By the way, when the processing device in the operating state has a momentary interruption, the restart process is performed according to the restoration of the power supply.
一方、待機状態で相互監視を行っている処理装置で
は、この瞬断から再立ち上げ処理中に生じる運用処理装
置の無応答を異常発生とみなし、所定の異常処理が起動
される。ここで、運用状態にある処理装置の瞬断に伴う
従来の処理の流れを第４図に示す。なお、処理装置０系
が運用状態にあり、処理装置１系が待機状態にあるもの
とする。On the other hand, in the processing device that performs mutual monitoring in the standby state, the no response of the operation processing device that occurs during the restart process from this momentary interruption is regarded as an abnormality occurrence, and a predetermined abnormality processing is activated. Here, FIG. 4 shows the flow of the conventional processing associated with the instantaneous interruption of the processing device in the operating state. It is assumed that the processing device 0 system is in the operating state and the processing device 1 system is in the standby state.
すなわち、待機状態にある処理装置１系では、運用状
態にある処理装置０系の無応答検出に応じて、例えばオ
ペレータに処理装置０系の異常を通知し、また修理を要
請する等の異常処理を行い、処理装置０系に代わって運
用状態に移行する一連の処理を行う。That is, in the processing device 1 system in the standby state, in response to the detection of no response of the processing device 0 system in the operating state, for example, the abnormality processing such as notifying the operator of the abnormality of the processing device 0 system and requesting repair. Then, a series of processing for shifting to the operating state is performed in place of the processing device 0 system.
このように、従来の異常処理は、その原因に基づくも
のではなく、無応答検出に応じて直ちに起動されてい
る。したがって、瞬断等のように外部要因に伴う無応答
で、所定の立ち上げ処理後には復旧が可能であっても所
定の異常処理が行われていた。すなわち、異常検出がい
ずれ復旧する外部要因によるものか、あるいは処理装置
自体にあるものかの区別ができず、オペレータその他へ
の適切な指示ができなかった。As described above, the conventional abnormality processing is not based on the cause but is immediately activated in response to the detection of no response. Therefore, there is no response due to an external factor such as a momentary interruption, and a predetermined abnormality process is performed even if recovery is possible after a predetermined startup process. In other words, it is not possible to distinguish whether the abnormality detection is due to an external factor that will eventually be restored or whether it is in the processing device itself, and it is not possible to give an appropriate instruction to the operator and others.
本発明は、このような問題点に鑑みて創作されたもの
で、瞬断その他の外部要因による無応答か、処理装置の
内部要因による無応答かを簡単に判別してその結果を異
常処理に用い得る多重化システムの無応答判定システム
を提供することを目的とする。The present invention was created in view of such problems, and it is possible to easily determine whether there is no response due to an external factor such as a momentary interruption, or no response due to an internal factor of the processing device, and the result is processed abnormally. An object of the present invention is to provide a no-response determination system for a multiplexing system that can be used.
第１図は、請求項１記載の発明の原理ブロック図を示
す。FIG. 1 shows a block diagram of the principle of the invention according to claim 1.
図において、複数の処理装置11,15間で相互に監視を
行い、異常が発生した処理装置を他系処理装置に切り替
えて処理を続行する冗長構成を採った多重化システムの
各処理装置11,15に、自系処理装置の入力電源が正常で
あるときその旨を示す第１の情報を出力しており、前記
入力電源が瞬断した後の前記入力電源の再投入に応答し
て復電を示す第２の情報を出力する電源状態保持手段13
と、他系処理装置の無応答検出に応じて、他系処理装置
の前記電源状態保持手段13から出力される情報を参照
し、無応答の要因が前記他系処理装置の前記入力電源の
瞬断に伴うシステム再立ち上げによるものか否かを判断
するとともに、他系処理装置の前記電源状態保持手段13
から第１の情報を出力させる制御手段17とを設けて、請
求項１記載の発明は構成される。In the figure, a plurality of processing devices 11 and 15 mutually monitor each other, and each processing device 11 of the multiplexing system adopting a redundant configuration in which a processing device in which an abnormality has occurred is switched to another processing device and processing is continued. The first information indicating that the input power supply of the own system processing device is normal is output to 15, and the power recovery is performed in response to the input power supply being turned on again after the input power supply is momentarily cut off. Power state holding means 13 for outputting the second information indicating
In response to the non-response detection of the other system processing device, the information output from the power state holding means 13 of the other system processing device is referred to. It is determined whether or not the system is restarted due to a disconnection, and the power supply state holding means 13 of the other system processing device.
And the control means 17 for outputting the first information from the above.
他系処理装置の入力電源が正常状態にあるとき、当該
他系処理装置の電源状態保持手段13から当該入力電源が
正常状態にあることを示す第１の情報を出力している。When the input power source of the other system processing device is in the normal state, the power source state holding means 13 of the other system processing device outputs the first information indicating that the input power source is in the normal state.
その前記他系処理装置の入力電源に瞬断が発生した
後、該他系処理装置の入力電源の再投入が為されると、
前記他系処理装置の電源状態保持手段13は、復電を示す
第２の情報を出力する。After a momentary interruption of the input power supply of the other system processing device, when the input power supply of the other system processing device is turned on again,
The power supply state holding means 13 of the other system processing device outputs the second information indicating power recovery.
制御手段17は、前記電源状態保持手段13から出力され
ている情報を参照しており、前記第２の情報が前記電源
状態保持手段13から出力されたことに応答して前記他系
処理装置の無応答の要因が前記瞬断によるものであると
の判別をして該判別に対応した適切な異常処理を行う。
そして、無応答の要因の判別後に、次の瞬断に備えて前
記他系処理装置の電源状態保持手段から第１の情報を出
力するように制御する。The control means 17 refers to the information output from the power supply state holding means 13, and in response to the second information output from the power supply state holding means 13, the control means 17 stores It is determined that the cause of no response is due to the instantaneous interruption, and appropriate abnormality processing corresponding to the determination is performed.
Then, after determining the cause of non-response, control is performed so that the first information is output from the power supply state holding means of the other processing device in preparation for the next interruption.
以下、図面に基づいて実施例の動作について詳細に説
明する。Hereinafter, the operation of the embodiment will be described in detail with reference to the drawings.
第２図は、請求項１記載の発明の実施例構成を示すブ
ロック図である。FIG. 2 is a block diagram showing the configuration of an embodiment of the invention described in claim 1.
図において、処理装置０系、処理装置１系の各CPU2
10、211は、通信パスを介して相互監視を行う。各処理
装置は、それぞれ電源電圧を監視し、瞬断後の電源の再
投入に応じて復電信号を出力する電圧監視回路230、231
と、その復電信号によってセットされる復電レジスタ25
0、251とを備える。In the figure, CPUs 2 of processing device 0 system and processing device 1 system
1 0 and 21 1 perform mutual monitoring via a communication path. Each processing device monitors the power supply voltage and outputs a power recovery signal in response to the power being turned on again after a momentary power interruption. Voltage monitoring circuits 23 0 , 23 1
And the power recovery register 25 set by the power recovery signal
0 and 25 1 .
各処理装置のCPU210、211は、それぞれインタフェー
ス線を介して対向する処理装置の復電レジスタ251、250
の状態を読み取り、また、その状態をリセットする構成
である。The CPUs 21 0 and 21 1 of the respective processing devices are connected to the power recovery registers 25 1 and 25 0 of the processing devices facing each other via the interface lines.
The state is read and the state is reset.
ここで、第１図と第２図との対応を示す。 Here, the correspondence between FIG. 1 and FIG. 2 is shown.
電源状態保持手段13は、電圧監視回路230、231と、復
電レジスタ250、251とに相当する。The power supply state holding means 13 corresponds to the voltage monitoring circuits 23 0 and 23 1 and the power recovery registers 25 0 and 25 1 .
制御手段17は、CPU210、211の処理プログラムに相当
する。The control means 17 corresponds to the processing program of the CPUs 21 0 and 21 1 .
第３図は、実施例の処理の流れを説明する図である。 FIG. 3 is a diagram for explaining the processing flow of the embodiment.
以下、第２図および第３図を参照して、実施例の処理
の流れについて説明する。The processing flow of the embodiment will be described below with reference to FIGS. 2 and 3.
処理装置０系に瞬断が発生したとき、処理装置０系で
は電源再投入に応じて、再立ち上げ処理が開始されると
ともに、電圧監視回路230から復電信号が出力され、復
電レジスタ250がセットされる。When a short break in the processor system 0 is generated, in response to the power cycle in the processing apparatus 0 system, with re-start-up process is started, power recovery signal is output from the voltage monitoring circuit 23 0, power recovery register 25 0 is set.
一方、処理装置１系は、処理装置０系が瞬断から再立
ち上げ処理の間、無応答を検出する。On the other hand, the processing device 1 system detects no response during the restarting process from the instantaneous interruption of the processing device 0 system.
処理装置１系のCPU211は、処理装置０系の無応答検出
に応じて、所定時間後に処理装置０系の復電レジスタ25
0の状態を読み取る。なお、所定時間は、日常起こり得
る瞬断時間である数十ms以上とすることにより、復電レ
ジスタ25の状態をみれば、瞬断が生じたか否かを特定す
ることができる。The CPU 21 1 of the processing device 1 system, in response to the non-response detection of the processing device 0 system, waits for a predetermined time and then returns to the power recovery register 25 of the processing device 0 system.
Read the state of 0 . By setting the predetermined time to several tens of ms, which is a momentary interruption time that can occur every day, it is possible to identify whether or not an interruption has occurred by looking at the state of the power recovery register 25.
すなわち、この許容瞬断時間内に処理装置０系の電圧
が復旧するときには、処理装置１系のCPU211が読み取る
復電レジスタ250の状態はセットされているので、処理
装置１系は処理装置０系の無応答の原因が瞬断発生によ
るものであることを認識することができる。また、処理
装置０系の復電レジスタ250の状態は、次の瞬断発生に
備えてリセットされる。That is, when the voltage of the processing device 0 system is restored within this allowable instantaneous interruption time, the state of the power recovery register 25 0 read by the CPU 21 1 of the processing device 1 system is set, so that the processing device 1 system is It is possible to recognize that the cause of no response in the 0 system is due to the occurrence of an instantaneous interruption. The state of the power recovery register 25 0 of processor 0 system is reset for the next interruption occurs.
CPU211は、瞬断発生認識に応じて、立ち上げ処理に要
する時間が経過した後に処理装置０系が正常に復帰する
ことをオペレータに通知し、処理装置０系に代わって運
用状態に移行する。CPU 21 1, depending on the instantaneous interruption generating recognition that the processing device 0 system after the time required for the start-up process has elapsed is restored correctly notify the operator shifts the operating state on behalf of the processor system 0 .
処理装置０系は、立ち上げ処理により一定時間経過後
には正常状態に復帰し、待機状態となる。The processing device 0 system returns to the normal state after a certain period of time due to the start-up process and enters the standby state.
処理装置１系は、系間通信再開に応じて、処理装置０
系が復旧したことを確認し、処理装置０系の復旧をオペ
レータに通知する。The processing device 1 system responds to the restart of inter-system communication by processing device 0.
It is confirmed that the system has been restored, and the operator is notified of the restoration of the processing device 0 system.
このように、復電レジスタ25の状態を参照することに
より、処理装置０系の無応答の原因が瞬断に伴う再立ち
上げ処理であると特定され、処理装置０系は上ち上げ処
理に要する時間が経過した後に正常に復帰することが処
理装置１系からオペレータに通知され、無用な異常処理
が起動されることを回避することができる。As described above, by referring to the state of the power recovery register 25, the cause of the non-response of the processing device 0 system is specified to be the restarting process due to the instantaneous interruption, and the processing device 0 system is set to the uplifting process. It is possible to prevent the operator from being notified of the normal return after the required time has elapsed and the activation of unnecessary abnormal processing.
なお、無応答検出に応じて参照する復電レジスタ25の
状態がセットされていないときには、通常の異常処理が
行われる。It should be noted that when the state of the power recovery register 25 to be referred to in response to the detection of no response is not set, normal abnormality processing is performed.
上述したように、請求項１記載の発明によれば、無応
答が検出された処理装置の電源状態保持手段から出力さ
れている情報の参照で該処理装置の入力電源に瞬断が生
じたことを示しているとき、前記無応答の要因が入力電
源の瞬断であることの判別を行うことができ、外部要因
による無応答時に、オペレータにシステムが正常に復旧
することを通知することが可能になり、適切な異常処理
を執ることができる。As described above, according to the first aspect of the invention, a momentary interruption occurs in the input power supply of the processing device by referring to the information output from the power supply state holding unit of the processing device in which no response is detected. , It is possible to determine that the cause of non-response is a momentary interruption of the input power supply, and when no response is caused by an external factor, it is possible to notify the operator that the system will recover normally. Therefore, appropriate abnormality processing can be taken.
第１図は請求項１記載の発明の原理ブロック図、 第２図は実施例構成を示すブロック図、 第３図は実施例の処理の流れを説明する図、 第４図は従来の処理の流れを説明する図である。 図において、11、15は処理装置、13は電源状態保持手
段、17は制御手段、21はCPU、23は電圧監視回路、25は
復電レジスタである。FIG. 1 is a block diagram showing the principle of the invention described in claim 1, FIG. 2 is a block diagram showing the configuration of the embodiment, FIG. 3 is a diagram for explaining the flow of processing of the embodiment, and FIG. It is a figure explaining a flow. In the figure, 11 and 15 are processing devices, 13 is a power supply state holding means, 17 is a control means, 21 is a CPU, 23 is a voltage monitoring circuit, and 25 is a power recovery register.
Claims (1)
い、異常が発生した処理装置を他系処理装置に切り替え
て処理を続行する冗長構成を採った多重化システムにお
いて、 各処理装置11,15には、 自系処理装置の入力電源が正常であるとき、その旨を示
す第１の情報を出力しており、前記入力電源が瞬断した
後の前記入力電源の再投入に応答して復電を示す第２の
情報を出力する電源状態保持手段13と、 他系処理装置の無応答検出に応じて、他系処理装置の前
記電源状態保持手段13から出力される情報を参照し、無
応答の原因が前記他系処理装置の前記入力電源の瞬断に
伴うシステム再立ち上げによるものか否かを判断すると
ともに、他系処理装置の前記電源状態保持手段13から第
１の情報を出力させる制御手段17と を備えたことを特徴とする多重化システムの無応答判定
システム。1. A multiplex system adopting a redundant configuration in which a plurality of processing devices 11 and 15 are mutually monitored and a processing device in which an abnormality has occurred is switched to another processing device to continue processing. When the input power supply of the own system processing device is normal, the first information indicating that is output to the devices 11 and 15, and when the input power supply is turned on again after the input power supply is interrupted In response to output of the second information indicating power recovery, the power status holding means 13 and the information output from the power status holding means 13 of the other system processing device in response to the non-response detection of the other system processing device. It is determined whether or not the cause of the non-response is due to the system restart due to the momentary interruption of the input power source of the other system processing device, and the first state from the power state holding means 13 of the other system processing device is determined. And a control means 17 for outputting the information of Non-response determination system for redundant systems.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2066704A JP2505299B2 (en) | 1990-03-16 | 1990-03-16 | No-response judgment method for multiplexing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2066704A JP2505299B2 (en) | 1990-03-16 | 1990-03-16 | No-response judgment method for multiplexing system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03266131A JPH03266131A (en) | 1991-11-27 |
| JP2505299B2 true JP2505299B2 (en) | 1996-06-05 |
Family
ID=13323592
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2066704A Expired - Fee Related JP2505299B2 (en) | 1990-03-16 | 1990-03-16 | No-response judgment method for multiplexing system |
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| Country | Link |
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| JP (1) | JP2505299B2 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19933086B4 (en) * | 1999-07-15 | 2008-11-20 | Robert Bosch Gmbh | Method and device for mutual monitoring of control units |
| JP4330547B2 (en) | 2005-03-17 | 2009-09-16 | 富士通株式会社 | Information processing system control method, information processing system, information processing system control program, and redundant configuration control device |
| JP4788597B2 (en) * | 2006-12-26 | 2011-10-05 | 株式会社明電舎 | Programmable controller redundant system |
| JP5605672B2 (en) * | 2009-07-21 | 2014-10-15 | 日本電気株式会社 | Voltage monitoring system and voltage monitoring method |
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|---|---|---|---|---|
| JPS58103061A (en) * | 1981-12-16 | 1983-06-18 | Hitachi Ltd | Calculation synchronism restoring system |
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1990
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Also Published As
| Publication number | Publication date |
|---|---|
| JPH03266131A (en) | 1991-11-27 |
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