JPS6215640A - Monitor system - Google Patents
Monitor systemInfo
- Publication number
- JPS6215640A JPS6215640A JP60154850A JP15485085A JPS6215640A JP S6215640 A JPS6215640 A JP S6215640A JP 60154850 A JP60154850 A JP 60154850A JP 15485085 A JP15485085 A JP 15485085A JP S6215640 A JPS6215640 A JP S6215640A
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- selection
- monitored
- signal
- points
- 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
Abstract
Description
【発明の詳細な説明】
（産業上の利用分野）
本発明は、多数の被監視ポイントの状態を監視する監視
方式に関する。DETAILED DESCRIPTION OF THE INVENTION (Field of Industrial Application) The present invention relates to a monitoring method for monitoring the status of a large number of monitored points.
（従来の技術）
この種の従来の監視方式を第２図にブロック図で示す、
この監視方式では、被監視装置１の被を視ポイント１．
〜Ｌｍは、ホトカブラ又はリレー等の絶縁保護回路５を
それぞれ介して、監視装置２の入力制御回路３の入力端
に接続されている。(Prior Art) This type of conventional monitoring system is shown in a block diagram in FIG.
In this monitoring method, the monitored device 1 is viewed from a viewing point 1.
~Lm are connected to the input end of the input control circuit 3 of the monitoring device 2 via insulation protection circuits 5 such as photocouplers or relays.
（発明が解決しようとする問題点）
前述のような従来の監視方式では、被監視ポイント１．
〜Ｌａと入力制御回路３とを接続するのに、被を視ポイ
ント数と同数のケーブルが必要である。従って、従来の
監視方式は高価であった。(Problems to be Solved by the Invention) In the conventional monitoring system as described above, the monitored points 1.
To connect ~La and the input control circuit 3, the same number of cables as the number of viewing points are required. Therefore, conventional monitoring methods are expensive.
（問題点を解決するための手段）
前述の問題点を解決するために本発明が提供する手段は
、被監視装置と監視装置とがケーブルを介して接続して
あり、前記被監視装置における複数の被監視点の状態を
それぞれ表す複数の状態信号は前記ケーブルを介して前
記監視装置に送られる監視方式であって、前記状態信号
を多重化する回路と、前記多重化回路に選択信号を与え
る選択回路とが備えてあり、前記多重化回路は前記選択
信号に応じて選択した前記状態２号を前記ケーブルに送
出し、前記多重化回路は前記波監視装置側に、前記選択
回路は前記監視装置側にそれぞれ設けてあることを特徴
とする。(Means for Solving the Problems) In order to solve the above-mentioned problems, the present invention provides means in which a monitored device and a monitoring device are connected via a cable, and a plurality of A plurality of status signals, each representing a status of a monitored point, are sent to the monitoring device via the cable, a circuit for multiplexing the status signals, and a selection signal for providing a selection signal to the multiplexing circuit. a selection circuit, the multiplexing circuit sends the state No. 2 selected according to the selection signal to the cable, the multiplexing circuit sends the wave monitoring device side, and the selection circuit sends the state No. 2 selected according to the selection signal to the cable. It is characterized by being provided on each side of the device.
（実施例） 次に本発明の実施例を第１図により説明する。(Example) Next, an embodiment of the present invention will be described with reference to FIG.
本実施例は、本図に示すように、監視装置２の入力制御
回路３に入力選択回路４を組み合わせ、入力選択回路４
の出力を被監視装置１の複数個まとめた絶縁保護回路５
の選択端子に接続し、この絶縁保護回路５の各出力を被
監視装置側にてまとめ、このケーブルを監視装置２の入
力制御回路３に接続した方式である。その絶縁保護回路
５には、選択信号Ｓ ｌ”’ Ｓ−により出力を可能と
する回路が付加されている。In this embodiment, as shown in the figure, an input selection circuit 4 is combined with an input control circuit 3 of a monitoring device 2.
An insulation protection circuit 5 that combines multiple outputs of the monitored device 1
In this system, each output of the insulation protection circuit 5 is collected on the monitored device side, and this cable is connected to the input control circuit 3 of the monitoring device 2. A circuit is added to the insulation protection circuit 5 to enable output in response to a selection signal S l''' S-.
例えば、被監視ポイントＩｌｌ〜Ｉ Ｉ ｍを選択する
ときには、入力選択回路４は選択信号Ｓ工を出力し、そ
の選択信号Ｓ１に対応した絶縁保護回路５を動作きせ、
入力制御回路３に接続する。同様にポイントＩ！１〜１
８．の選択には選択信号Ｓ１を、ポイントエ、〜Ｉｍａ
の選択には選択信号Ｓ、を出力すればよい。For example, when selecting the monitored points Ill to IIm, the input selection circuit 4 outputs the selection signal S, and operates the insulation protection circuit 5 corresponding to the selection signal S1.
Connect to input control circuit 3. Similarly, point I! 1-1
8. For selection, select signal S1 is sent to point E, ~Ima
For selection, it is sufficient to output a selection signal S.
したがって、被監視ポイントＩｌｌ〜Ｉａａに対し、第
２図の従来の回路ではｎＸｍ本の接続ケーブルが必要で
あったが、本実施例ではｎ＋ｍ本の接続ケーブルしか必
要でない。Therefore, while the conventional circuit shown in FIG. 2 requires nXm connection cables for the monitored points Ill to Iaa, this embodiment requires only n+m connection cables.
（発明の効果）
本発明では、以上説明したように、被監視装置に多重化
回路を、監視装置側に入力制御回路と入力選択回路を配
しである。このような本発明方式では、被監視装置と監
視装置とを接読するケーブル数を大幅に減少することが
できる。(Effects of the Invention) As described above, in the present invention, a multiplexing circuit is provided in the monitored device, and an input control circuit and an input selection circuit are provided in the monitoring device. According to the method of the present invention, the number of cables that connect the monitored device and the monitoring device can be significantly reduced.
第１図は本発明の一実施例のブロック図、第２図は従来
の聖夜方式のブロック図である。
１□〜Ｉａａ・・・被監視ポイント、Ｓ、〜Ｓ１・・選
択信号、１・・・被監視装置、２・・・監視装置、３・
・・入力制御回路、４・・・入力選択回路、５・・・絶
縁保護回路。FIG. 1 is a block diagram of an embodiment of the present invention, and FIG. 2 is a block diagram of a conventional holy night system. 1□~Iaa...Monitored point, S, ~S1...Selection signal, 1...Monitored device, 2...Monitoring device, 3...
...Input control circuit, 4...Input selection circuit, 5...Insulation protection circuit.
Claims (1)
り、前記監視装置における複数の被監視点の状態をそれ
ぞれ表す複数の状態信号は前記ケーブルを介して前記監
視装置に送られる監視方式において、前記状態信号を多
重化する回路と、前記多重化回路に選択信号を与える選
択回路とが備えてあり、前記多重化回路は前記選択信号
に応じて選択した前記状態信号を前記ケーブルに送出し
、前記多重化回路は前記被監視装置側に、前記選択回路
は前記監視装置側にそれぞれ設けてあることを特徴とす
る監視方式。In a monitoring method, a monitored device and a monitoring device are connected via a cable, and a plurality of status signals each representing the status of a plurality of monitored points in the monitoring device are sent to the monitoring device via the cable. , a circuit for multiplexing the state signals, and a selection circuit for providing a selection signal to the multiplexing circuit, and the multiplexing circuit sends the state signal selected according to the selection signal to the cable. . A monitoring system, wherein the multiplexing circuit is provided on the monitored device side, and the selection circuit is provided on the monitoring device side.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60154850A JPS6215640A (en) | 1985-07-13 | 1985-07-13 | Monitor system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP60154850A JPS6215640A (en) | 1985-07-13 | 1985-07-13 | Monitor system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6215640A true JPS6215640A (en) | 1987-01-24 |
Family
ID=15593265
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP60154850A Pending JPS6215640A (en) | 1985-07-13 | 1985-07-13 | Monitor system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6215640A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6029541A (en) * | 1994-03-27 | 2000-02-29 | Dr. Schrick Gmbh | Reciprocating machine with neutralization of free inertial forces |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5431942A (en) * | 1977-08-13 | 1979-03-09 | Nat Jutaku Kenzai | Storage chamber under floor |
| JPS5642058B2 (en) * | 1974-04-18 | 1981-10-02 |
-
1985
- 1985-07-13 JP JP60154850A patent/JPS6215640A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5642058B2 (en) * | 1974-04-18 | 1981-10-02 | ||
| JPS5431942A (en) * | 1977-08-13 | 1979-03-09 | Nat Jutaku Kenzai | Storage chamber under floor |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6029541A (en) * | 1994-03-27 | 2000-02-29 | Dr. Schrick Gmbh | Reciprocating machine with neutralization of free inertial forces |
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