JPH01228292A - Control right switching system for duplex remote supervisory and controlling equipment - Google Patents
Control right switching system for duplex remote supervisory and controlling equipmentInfo
- Publication number
- JPH01228292A JPH01228292A JP5445088A JP5445088A JPH01228292A JP H01228292 A JPH01228292 A JP H01228292A JP 5445088 A JP5445088 A JP 5445088A JP 5445088 A JP5445088 A JP 5445088A JP H01228292 A JPH01228292 A JP H01228292A
- Authority
- JP
- Japan
- Prior art keywords
- remote monitoring
- equipment
- control
- control signal
- control device
- 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
- 230000008054 signal transmission Effects 0.000 claims abstract description 18
- 238000012544 monitoring process Methods 0.000 claims description 47
- 238000012806 monitoring device Methods 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 3
- 230000005540 biological transmission Effects 0.000 abstract description 2
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 1
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- Selective Calling Equipment (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明は、被制御側装置を主系側遠隔監視装置及びバ
ックアンプ側遠隔監視制御装置から制御信号用伝送路を
介して遠隔監視制御を行うことができる二重化遠隔監視
制御装置において、主系側遠隔監視制御装置からバッタ
アップ側遠隔監視制御装置に制御権を切換える二重化遠
隔監視制御装置の制御権切換方式に関する。[Detailed Description of the Invention] [Field of Industrial Application] This invention remotely monitors and controls a controlled side device from a main side remote monitoring device and a back amplifier side remote monitoring and control device via a control signal transmission path. The present invention relates to a control right switching method for a redundant remote monitoring and control device that switches the control right from the main-side remote monitoring and control device to the batter-up side remote monitoring and control device in a duplexed remote monitoring and control device that can perform the following operations.
従来の二重化遠隔監視制御装置の制御権切換方式として
は、第２図及び第３図に示す構成を有するものがある。As a conventional control right switching system for a redundant remote monitoring and control device, there is one having the configuration shown in FIGS. 2 and 3.
第２図の従来例は、主系側遠隔監視制御装置１と被制御
側装置２とが、制御権切換スイッチ３ａ及び３ｂを介挿
した制御信号用伝送路３を介して接続され、且つ制御権
切換スイッチ３ａに主系選択制御信号受信装置４が接続
され、この主系選択制御信号受信装置４で受信した選択
制御信号を制御権切換スイッチ３ｂに接続されたバック
アップ側遠隔監視制御装置５に供給し、バックアップ側
遠隔監視制御装置５内で主系側遠隔監視制御装置１から
の選択信号の有無を確認し、選択信号が無いときに、選
択スイッチ６の入力を受付けこれを選択制御信号として
被制御側装置２に信号を送出するように構成されている
。In the conventional example shown in FIG. 2, the main side remote monitoring and control device 1 and the controlled side device 2 are connected via a control signal transmission line 3 in which control right changeover switches 3a and 3b are inserted, and the control A main selection control signal receiving device 4 is connected to the control right changeover switch 3a, and the selection control signal received by the main selection control signal reception device 4 is sent to the backup side remote monitoring and control device 5 connected to the control right changeover switch 3b. The backup side remote monitoring and control device 5 checks whether there is a selection signal from the main side remote monitoring and control device 1, and when there is no selection signal, it accepts the input of the selection switch 6 and uses this as the selection control signal. It is configured to send a signal to the controlled device 2.
また、第３図の従来例は、制御権切換スイソチ３ａ、３
ｂ間がリレー７の可動接点Ｃ及び常開接点ｂ、ハイブリ
ッド８を介して接続され、且つハイブリッド８に主系選
択制御信号受信装置４が接続されていると共に、リレー
７の常閉接点ａにバックアップ用遠隔監視制御装置５が
接続され、リレー７が選択制御信号受信装置４で選択制
御信号を受信していないときにオフ状態に、選択制御信
号を受信したときにオン状態となるように制御される構
成を有する。Furthermore, in the conventional example shown in FIG.
B are connected to the movable contact C and the normally open contact b of the relay 7 via the hybrid 8, and the main system selection control signal receiving device 4 is connected to the hybrid 8, and the normally closed contact a of the relay 7 is connected to the hybrid 8. The backup remote monitoring control device 5 is connected and the relay 7 is controlled to be in the OFF state when the selection control signal receiving device 4 does not receive the selection control signal and to be in the ON state when the selection control signal is received. It has the following configuration.
しかしながら、上記第２図及び第３図の制御権切換方式
にあっては、共にバックアップ側遠隔監視制御装置の外
に主系選択制御信号受信装置が必要となり、構成が複雑
化すると共に、コストが嵩む等の未解決の課題があった
。However, in the control right switching systems shown in FIGS. 2 and 3 above, a main system selection control signal receiving device is required in addition to the backup side remote monitoring and control device, which complicates the configuration and increases costs. There were unresolved issues such as bulkiness.
そこで、この発明は、上記従来例の未解決の課題に着目
してなされたものであり、主系制御信号受信装置を必要
とすることがなく、且つ第２図の従来例におけるバック
アンプ側遠隔監視制御装置を大幅に改変することなく制
御権の切換を行うことができる二重化遠隔監視制御装置
の制御権切換方式を提供することを目的としている。Therefore, the present invention has been made by focusing on the unresolved problems in the conventional example, and eliminates the need for a main system control signal receiving device, and eliminates the need for a main system control signal receiving device, and eliminates the need for a remote controller on the back amplifier side in the conventional example shown in FIG. It is an object of the present invention to provide a control right switching method for a redundant remote monitoring and control device that can switch the control right without significantly modifying the monitoring and controlling device.
〔課題を解決するための手段］
上記目的を達成するために、この発明は、被制御側装置
を主系側遠隔監視装置及びハックアップ側遠隔監視制御
装置から制御信号用伝送路を介して遠隔監視制御可能な
二重化遠隔監視制御装置において、前記バックアップ側
遠隔監視制御装置から自己の機器選択を行ったときのみ
例えばリレーの接点を切換えることにより、前記制御信
号用伝送路を主系側遠隔監視制御装置から切換えて当該
バックアップ側遠隔監視制御装置に制御権を移行させる
ようにしたことを特徴としている。[Means for Solving the Problems] In order to achieve the above object, the present invention remotely controls a controlled side device from a main side remote monitoring device and a hackup side remote monitoring and control device via a control signal transmission line. In a redundant remote monitoring and control device that is capable of monitoring and controlling, the control signal transmission path is controlled by the main side remote monitoring and control by, for example, switching a relay contact only when the device is selected from the backup side remote monitoring and controlling device. It is characterized in that the control right is transferred from the device to the backup remote monitoring and control device.
この発明においては、バックアップ側遠隔監視制御装置
側で自己の機器選択を行ったときに、制御■信号用伝送
路を主系側遠隔監視制御装置からバックアップ側遠隔監
視制御装置に切換えることにより、複雑な主系選択制御
信号受信装置を設けることなく、容易に制御権の切換え
を行うことができる。In this invention, when the backup side remote monitoring and control device selects its own device, the control signal transmission line is switched from the main side remote monitoring and control device to the backup side remote monitoring and control device. The control right can be easily switched without providing a main system selection control signal receiving device.
以下、この発明の実施例を図面に基づいて説明する。 Embodiments of the present invention will be described below based on the drawings.
第１図はこの発明の一実施例を示すブロック図である。FIG. 1 is a block diagram showing one embodiment of the present invention.
図中、１は主系側遠隔監視制御装置であって、制御権切
換スイッチ３ａ及び３ｂを介挿した制御信号用伝送路３
を介して被制御側装置２に接続さて、各制御権切換スイ
ッチ３ａ及び３ｂの常閉接点す間にリレー１１の可動接
点Ｃ及び常閉接点すを介して制御信号用伝送路１２が形
成されていると共に、リレー１１の常開接点ａにバック
アップ側遠隔監視制御装置１２が接続されて、二重化遠
隔監視制御装置が構成されている。In the figure, reference numeral 1 denotes a main side remote monitoring and control device, and a control signal transmission line 3 in which control right changeover switches 3a and 3b are inserted.
A control signal transmission path 12 is formed between the normally closed contacts of each control right changeover switch 3a and 3b via the movable contact C and the normally closed contact of the relay 11. At the same time, a backup side remote monitoring and control device 12 is connected to the normally open contact a of the relay 11, thereby configuring a redundant remote monitoring and control device.
バックアップ側遠隔監視制御装置１２には、選択スイッ
チ１３及びリレー１１が接続されている。A selection switch 13 and a relay 11 are connected to the backup remote monitoring and control device 12 .
バックアップ側遠隔監視制御装置１２は、選択スイッチ
１３がオフ状態であるときには、リレー１１をオフ状態
に制御し、選択スイッチ１３がオン状態となったときに
リレー１１をオン状態に制御して、その制御信号用伝送
路１２に介挿されたリレー接点を常開接点ａ側部ちバッ
クアップ側遠隔監視制御装置１２側に切換える。The backup side remote monitoring and control device 12 controls the relay 11 to be in the off state when the selection switch 13 is in the off state, and controls the relay 11 to be in the on state when the selection switch 13 is in the on state. The relay contact inserted in the control signal transmission line 12 is switched to the normally open contact a side, that is, the backup side remote monitoring and control device 12 side.
次に、上記実施例の動作を説明する。今、バックアップ
側遠隔監視制御装置１２の選択スイッチ１３がオフ状態
にあるものとすると、この状態では、リレー１１がオフ
状態にあり、その可動接点Ｃが常閉接点す側に切換えら
れている。したがって、この状態では、バックアップ側
遠隔監視装置１２は被制御側装置２とは切り離されてお
り、被制御側装置２に対する制御権は、主系側遠隔監視
制御装置１に切換えられて、この主系側遠隔監視制御装
置１で被制御側装置２の遠隔監視制御を行っている。Next, the operation of the above embodiment will be explained. Assuming that the selection switch 13 of the backup side remote monitoring and control device 12 is now in the off state, in this state, the relay 11 is in the off state and its movable contact C is switched to the normally closed contact side. Therefore, in this state, the backup side remote monitoring device 12 is disconnected from the controlled side device 2, and the control authority over the controlled side device 2 is switched to the main side remote monitoring and control device 1. A system-side remote monitoring and control device 1 remotely monitors and controls a controlled device 2 .
この状態から、所望時にバックアップ側遠隔監視装置１
２の選択スイッチ１３をオン状態に操作すると、これに
よってリレー１１がオン状態となって、その可動接点Ｃ
が書間接点ａ側に切換えられる。このため、主系側遠隔
監視制御装置１及び被制御装置２間の制御信号用伝送路
３が断状態となって、パンクアップ側遠隔監視制御装置
１２が制御信号用伝送路を介して被制御側装置２に接続
され、被制御側装置２に対する制御権が主系遠隔監視制
御装置１からバックアップ側遠隔監視制？ＸＩＩ装置１
２側に移行され、バックアップ側遠隔監視制御装置１２
によって、被制御側装置２が遠隔監視制御される。From this state, the backup side remote monitoring device 1 can be
When the selection switch 13 of No. 2 is turned on, the relay 11 is turned on, and its movable contact C is turned on.
is switched to the write-to-write point a side. Therefore, the control signal transmission path 3 between the main side remote monitoring and control device 1 and the controlled device 2 is disconnected, and the blow-up side remote monitoring and control device 12 transmits the control signal to the controlled device via the control signal transmission path. Is it connected to the side device 2 and the control authority over the controlled side device 2 is transferred from the main remote monitoring control device 1 to the backup side remote monitoring system? XII device 1
Backup side remote monitoring and control device 12
As a result, the controlled device 2 is remotely monitored and controlled.
なお、上記実施例においては、制御信号用伝送路の切換
えをリレー回路を適用して行う場合について説明したが
、これに限定されるものではなく、主系側の制御信号用
伝送路及びバックアップ側の制御信号用伝送路にそれぞ
れスイッチングトランジスタ等のスイッチング素子を介
挿し、これらスイッチング素子をバックアップ側遠隔監
視制御装置１２で選択スイッチのオン・オフに応じて制
御するようにしてもよい。In addition, in the above embodiment, a case was explained in which the control signal transmission line is switched by applying a relay circuit, but the invention is not limited to this, and the control signal transmission line on the main side and the backup side Switching elements such as switching transistors may be inserted in each of the control signal transmission lines, and these switching elements may be controlled by the backup-side remote monitoring and control device 12 according to whether the selection switch is turned on or off.
以上説明したように、この発明によれば、バックアップ
側遠隔監視制御装置に自己の機器選択に応じて制御信号
用伝送路を切換えるリレー回路等を付加するだけの簡単
な構成で、二重化遠隔監視制御装置の制御権の切換えを
行うことができ、別途主系選択制御信号受信装置を設け
る必要がなく、全体の構成が簡易化されると共に、製作
コストも低減させることができる効果が得られる。As explained above, according to the present invention, redundant remote monitoring and control can be achieved by simply adding a relay circuit or the like for switching the control signal transmission path according to the device selection of the backup side remote monitoring and control device. The control right of the device can be switched, there is no need to provide a separate main system selection control signal receiving device, the overall configuration is simplified, and manufacturing costs can be reduced.
第１図はこの発明の一実施例を示すブロック図、第２図
及び第３図はそれぞれ従来例を示すブロック図である。
図中、１は主系側遠隔監視制御装置、２は被制御側装置
、３は制御信号用伝送路、３ａ、３ｂは制御権切換スイ
ッチ、１１はリレー、１２はバックアップ用遠隔監視制
御装置、１３は選択スイッチである。FIG. 1 is a block diagram showing one embodiment of the present invention, and FIGS. 2 and 3 are block diagrams showing conventional examples, respectively. In the figure, 1 is a main side remote monitoring and control device, 2 is a controlled side device, 3 is a transmission line for control signals, 3a and 3b are control right changeover switches, 11 is a relay, 12 is a backup remote monitoring and control device, 13 is a selection switch.
Claims (1)
ップ側遠隔監視制御装置から制御信号用伝送路を介して
遠隔監視制御可能な二重化遠隔監視制御装置において、
前記バックアップ側遠隔監視制御装置から自己の機器選
択を行ったときのみ前記制御信号用伝送路を切換えて当
該バックアップ側遠隔監視制御装置に制御権を移行させ
るようにしたことを特徴とする二重化遠隔監視制御装置
の制御権切換方式。(1) In a redundant remote monitoring and control device that can remotely monitor and control a controlled device from a main side remote monitoring device and a backup side remote monitoring and control device via a control signal transmission line,
The redundant remote monitoring is characterized in that the control signal transmission path is switched only when the backup side remote monitoring and control device selects its own device, and control authority is transferred to the backup side remote monitoring and control device. Control right switching method for control equipment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5445088A JPH01228292A (en) | 1988-03-08 | 1988-03-08 | Control right switching system for duplex remote supervisory and controlling equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5445088A JPH01228292A (en) | 1988-03-08 | 1988-03-08 | Control right switching system for duplex remote supervisory and controlling equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01228292A true JPH01228292A (en) | 1989-09-12 |
Family
ID=12971033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5445088A Pending JPH01228292A (en) | 1988-03-08 | 1988-03-08 | Control right switching system for duplex remote supervisory and controlling equipment |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01228292A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5696594A (en) * | 1979-12-29 | 1981-08-04 | Matsushita Electric Works Ltd | Relay control panel for remote multiplex control system |
| JPS60189099A (en) * | 1984-03-07 | 1985-09-26 | 松下電器産業株式会社 | Remote controller |
| JPS61144197A (en) * | 1984-12-17 | 1986-07-01 | Fuji Electric Co Ltd | Place of operation changing device |
-
1988
- 1988-03-08 JP JP5445088A patent/JPH01228292A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5696594A (en) * | 1979-12-29 | 1981-08-04 | Matsushita Electric Works Ltd | Relay control panel for remote multiplex control system |
| JPS60189099A (en) * | 1984-03-07 | 1985-09-26 | 松下電器産業株式会社 | Remote controller |
| JPS61144197A (en) * | 1984-12-17 | 1986-07-01 | Fuji Electric Co Ltd | Place of operation changing device |
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