JPS5888488U - Remote monitoring control device - Google Patents

Remote monitoring control device

Info

Publication number
JPS5888488U
JPS5888488U JP18356381U JP18356381U JPS5888488U JP S5888488 U JPS5888488 U JP S5888488U JP 18356381 U JP18356381 U JP 18356381U JP 18356381 U JP18356381 U JP 18356381U JP S5888488 U JPS5888488 U JP S5888488U
Authority
JP
Japan
Prior art keywords
remote monitoring
control device
monitoring control
signal
program
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
Application number
JP18356381U
Other languages
Japanese (ja)
Inventor
尾崎　和正
宏 松本
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP18356381U priority Critical patent/JPS5888488U/en
Publication of JPS5888488U publication Critical patent/JPS5888488U/en
Pending legal-status Critical Current

Links

Landscapes

  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)
  • Selective Calling Equipment (AREA)

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１図は、本考案の実施例のシステム構成を示すブロッ
ク図である。 １・・・子局、２・・・親局、３・・・子局制御装置、
４・・・変復調器、５・・・単安定マルチバイブレータ
−１６・・・スイッチング回路、７・・・発振器、８・
・・親局制御装置、９・・・帯域通過フィルター、１０
・・・周波数検出回路、１１・・・伝送路、１２・・・
非制御機器。FIG. 1 is a block diagram showing the system configuration of an embodiment of the present invention. 1...Slave station, 2...Master station, 3...Slave station control device,
4... Modulator/demodulator, 5... Monostable multivibrator-16... Switching circuit, 7... Oscillator, 8...
... Master station control device, 9 ... Bandpass filter, 10
... Frequency detection circuit, 11... Transmission line, 12...
Non-controlled equipment.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] マイクロ・コンピュータを使用した遠方監視制御装置に
おいて、プログラムにより周期的に起動されるリトリガ
ブルな単安定マルチバイブレータ−とプログラム暴走検
出信号用の発振器を設け、子局における諸要因によるプ
ログラム暴走を、前記発振器により一定周波数の信号を
、遠方監視制御用搬送波に重畳させて親局に伝送するこ
とにより、前記子局のプログラム暴走を前記親局に認識
させることを特徴とする遠方監視制御装置。A remote monitoring and control device using a microcomputer is provided with a retriggerable monostable multivibrator that is activated periodically by a program and an oscillator for a program runaway detection signal, and the oscillator detects program runaway due to various factors in a slave station. A remote monitoring and control device characterized in that the master station is made to recognize program runaway in the slave station by superimposing a signal of a constant frequency on a carrier wave for remote monitoring and control and transmitting the signal to the master station.
JP18356381U 1981-12-11 1981-12-11 Remote monitoring control device Pending JPS5888488U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP18356381U JPS5888488U (en) 1981-12-11 1981-12-11 Remote monitoring control device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP18356381U JPS5888488U (en) 1981-12-11 1981-12-11 Remote monitoring control device

Publications (1)

Publication Number Publication Date
JPS5888488U true JPS5888488U (en) 1983-06-15

Family

ID=29982939

Family Applications (1)

Application Number Title Priority Date Filing Date
JP18356381U Pending JPS5888488U (en) 1981-12-11 1981-12-11 Remote monitoring control device

Country Status (1)

Country Link
JP (1) JPS5888488U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61132960U (en) * 1985-02-07 1986-08-19

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61132960U (en) * 1985-02-07 1986-08-19

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