JPS60172481U - Signal number expansion circuit for remote monitoring and control equipment - Google Patents

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) [Abstract] 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 the drawing]

第１図は一般的な従来例の遠方監視制御装置を説明する
ため示した系統図、第２図は本考案の一実施例の要部構
成を示す系統図である。 １、　２．　１’、　　２’・・・遠方監視制御装置、
４°。 ４′、４″、７．７’、７″・・・接点、６．６’、６
″。 ９、　９’、　９″・・・表示灯、８・・・ＮＯＴ素子
、１ｏ・・・表示信号数増設回路部。FIG. 1 is a system diagram shown to explain a general conventional remote monitoring and control device, and FIG. 2 is a system diagram showing the main part configuration of an embodiment of the present invention. 1, 2. 1', 2'... remote monitoring control device,
4°. 4', 4'', 7.7', 7''...Contact, 6.6', 6
9, 9', 9''... Indicator light, 8... NOT element, 1o... Display signal number expansion circuit section.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 被制御所と制御所の間の制御信号等を送受信して該制御
所で被制御所の監視を行う遠方監視制御装置において、
前記制御信号等の伝送時間よりも長い周期のパルス信号
を発生して該パルス信号のオンレベル時およびオフレベ
ル時の伝送信号を得るため配されたパルス発振器と、該
パルス発振器出力を直接的に得る第１の遅延回路および
パルス発振器出力の反転信号を得る第２の遅延回路とを
設け、前記伝送信号と第１の遅延回路出力によりまたは
該伝送信号と第２の遅延回路出力により信号出力を得る
ようにした遠方監視制御装置の信号数増設回路。In a remote monitoring and control device that transmits and receives control signals, etc. between a controlled station and a control station, and monitors the controlled station at the control station,
A pulse oscillator arranged to generate a pulse signal with a period longer than the transmission time of the control signal etc. to obtain transmission signals at on-level and off-level of the pulse signal, and a pulse oscillator that directly receives the output of the pulse oscillator. a first delay circuit for obtaining an inverted signal of the pulse oscillator output; and a second delay circuit for obtaining an inverted signal of the output of the pulse oscillator; A circuit for increasing the number of signals of a remote monitoring and control device.