JPH01113483U - - Google Patents
Info
- Publication number
- JPH01113483U JPH01113483U JP852788U JP852788U JPH01113483U JP H01113483 U JPH01113483 U JP H01113483U JP 852788 U JP852788 U JP 852788U JP 852788 U JP852788 U JP 852788U JP H01113483 U JPH01113483 U JP H01113483U
- Authority
- JP
- Japan
- Prior art keywords
- terminal
- signal line
- signal
- control
- central control
- 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.)
- Granted
Links
- 238000012544 monitoring process Methods 0.000 claims description 6
- 238000002955 isolation Methods 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 5
Landscapes
- Small-Scale Networks (AREA)
- Selective Calling Equipment (AREA)
Description
第１図は本考案に係る遠隔監視制御システムの
概略構成図、第２図は同上の動作説明図、第３図
は同上の要部ブロツク回路図、第４図は同上の要
部ブロツク回路図、第５図は同上の要部ブロツク
回路図である。
１は中央制御装置、２，３ａは端末器、５は中
継器、４，６は信号線、１７はアイソレーシヨン
回路、１８はドライバ回路、１８はレシーバ回路
、１９はスイツチ素子である。
Fig. 1 is a schematic configuration diagram of the remote monitoring and control system according to the present invention, Fig. 2 is an explanatory diagram of the operation of the same, Fig. 3 is a block circuit diagram of the main parts of the same, and Fig. 4 is a block circuit diagram of the main parts of the same. , FIG. 5 is a block circuit diagram of the main part of the same. 1 is a central control unit, 2 and 3a are terminals, 5 is a repeater, 4 and 6 are signal lines, 17 is an isolation circuit, 18 is a driver circuit, 18 is a receiver circuit, and 19 is a switch element.
Claims (1)
端末器とを一対の信号線にて接続し、中央制御装
置から各端末器をアクセスして監視データおよび
制御データを時分割多重伝送するようにし、監視
用の端末器から中央制御装置に監視データとして
返送されたスイツチの操作情報に基いて対応する
負荷が接続された制御用の端末器をアクセスして
制御データを中央制御装置から送出する遠隔監視
制御システムにおいて、中央制御装置に接続され
た１の信号線を介して伝送される中央制御装置か
らの伝送信号をアイソレーシヨン回路を介して入
力して第２の信号線に中継するドライバ回路と、
第２の信号線を介して返送される返送信号を入力
し該返送信号に応じて第１の信号線に並列に接続
してあるスイツチ素子をオンオフ制御して、中央
制御装置へ電流による返送信号を中継送出するレ
シーバ回路と、第１の信号線に接続され中央制御
装置からのアクセス時に受信した制御データで上
記スイツチ素子を強制的にオフする制御用の端末
器とを備えた中継器を設け、上記第１の信号線に
上記中継器に備えた上記制御用の端末器を操作す
るための監視用の端末器を接続して成ることを特
徴とする遠隔監視制御システム。 A central control unit and a large number of terminal devices having unique addresses are connected through a pair of signal lines, and each terminal device is accessed from the central control unit to time-division multiplex transmit the monitoring data and control data. Remote monitoring control that accesses the control terminal to which the corresponding load is connected based on switch operation information sent back as monitoring data from the terminal to the central controller, and sends control data from the central controller. In the system, a driver circuit inputs a transmission signal from the central control device transmitted via one signal line connected to the central control device via an isolation circuit and relays it to a second signal line;
A return signal sent back via the second signal line is input, and according to the return signal, a switch element connected in parallel to the first signal line is controlled on/off, and a return signal is sent to the central control unit using an electric current. A repeater is provided that includes a receiver circuit that relays and sends out the signal, and a control terminal that is connected to the first signal line and that forcibly turns off the switch element using control data received when accessed from the central control device. A remote monitoring and control system, characterized in that a monitoring terminal for operating the control terminal provided in the repeater is connected to the first signal line.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP852788U JPH0635581Y2 (en) | 1988-01-26 | 1988-01-26 | Remote monitoring control system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP852788U JPH0635581Y2 (en) | 1988-01-26 | 1988-01-26 | Remote monitoring control system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01113483U true JPH01113483U (en) | 1989-07-31 |
| JPH0635581Y2 JPH0635581Y2 (en) | 1994-09-14 |
Family
ID=31214483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP852788U Expired - Lifetime JPH0635581Y2 (en) | 1988-01-26 | 1988-01-26 | Remote monitoring control system |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0635581Y2 (en) |
-
1988
- 1988-01-26 JP JP852788U patent/JPH0635581Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0635581Y2 (en) | 1994-09-14 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPH01113483U (en) | ||
| JPS586639A (en) | Data transmitter | |
| JP2793811B2 (en) | Remote monitoring and control system | |
| JP2642676B2 (en) | Remote monitoring and control system | |
| JPH01113484U (en) | ||
| JPH075746Y2 (en) | Remote monitoring controller | |
| JP2501600Y2 (en) | Communication line switching device | |
| JPH028278U (en) | ||
| JPH0223184U (en) | ||
| JPS6421588U (en) | ||
| JPH0188591U (en) | ||
| JP3351885B2 (en) | Remote monitoring and control system | |
| JPH01113481U (en) | ||
| JPH0362337B2 (en) | ||
| JPH0659115B2 (en) | Remote monitoring control system | |
| JPS63158041U (en) | ||
| JPH0246491U (en) | ||
| JPS63143639A (en) | System monitoring device | |
| JPS627746U (en) | ||
| JPH0654889B2 (en) | Power line carrier system | |
| JPH0720302B2 (en) | Supervisory control system | |
| JPH0716188B2 (en) | Wireless local transmission system | |
| JPH0531408U (en) | Multiplex communication circuit | |
| JPS61143363U (en) | ||
| JPS63147056U (en) |