JPS5915104U - alarm system - Google Patents

alarm system

Info

Publication number
JPS5915104U
JPS5915104U JP11029082U JP11029082U JPS5915104U JP S5915104 U JPS5915104 U JP S5915104U JP 11029082 U JP11029082 U JP 11029082U JP 11029082 U JP11029082 U JP 11029082U JP S5915104 U JPS5915104 U JP S5915104U
Authority
JP
Japan
Prior art keywords
alarm
circuit
control circuit
output signal
detection signal
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
JP11029082U
Other languages
Japanese (ja)
Inventor
清水　重吾
箆津　精一
Original Assignee
富士電機株式会社
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 富士電機株式会社 filed Critical 富士電機株式会社
Priority to JP11029082U priority Critical patent/JPS5915104U/en
Publication of JPS5915104U publication Critical patent/JPS5915104U/en
Pending legal-status Critical Current

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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 the drawing]

第１図は警報回路の従来例を示す回路図、第２図はこの
考案の実施例を示すブロック図、第３図は第２図の動作
を説明するための各部波形図である。 符号説明、１・・・入力回路、２・・・設定器（ディジ
タルスイッチ）、３・・・演算制御装置（マイクロコン
ピュータ）、４・・ヅット回路、５・・・アンド回路、
６、Ｌ・・・リレー、６ｈ　’ｉｓ　１２・・・リレー
接点、ｓｗｌ。 ＳＷ２・・・スイッチ、ＡＬ・・・アラーム接点、ＢＺ
・・・ブザ。FIG. 1 is a circuit diagram showing a conventional example of an alarm circuit, FIG. 2 is a block diagram showing an embodiment of this invention, and FIG. 3 is a waveform diagram of each part for explaining the operation of FIG. Explanation of symbols, 1... Input circuit, 2... Setting device (digital switch), 3... Arithmetic control device (microcomputer), 4... Zutto circuit, 5... AND circuit,
6, L...Relay, 6h'is 12...Relay contact, swl. SW2...Switch, AL...Alarm contact, BZ
...buzz.

Claims (2)

【実用新案登録請求の範囲】[Scope of utility model registration request] （１）警報回路を備えプロセス計測値を監視する警報シ
ステムにおいて、該計測値が所定の下限警報設定値を下
回ったとき警報出力信号を発する一方、システムの電源
投入を検知して検知信号を出力するとともに該電源投入
以後に該計測値が一度でも前記設定値を越えたときは前
記検知信号の状態を反転させる演算制御回路と、該検知
信号および警報出力信号を監視しこれらが所定の条件を
満たすとき前記警報回路を駆動する論理回路とを設け、
少なくとも電源投入直後に出される警報出力信号によっ
ては警報を発しないようにしたことを特徴とする警報シ
ス矢ム。(1) In an alarm system that is equipped with an alarm circuit and monitors process measured values, it issues an alarm output signal when the measured value falls below a predetermined lower limit alarm set value, and outputs a detection signal when the system is powered on. In addition, an arithmetic control circuit that inverts the state of the detection signal if the measured value exceeds the set value even once after the power is turned on, and a calculation control circuit that monitors the detection signal and the alarm output signal so that they meet predetermined conditions. a logic circuit that drives the alarm circuit when the condition is satisfied;
An alarm system characterized in that an alarm is not emitted at least depending on an alarm output signal issued immediately after power is turned on. （２）実用新案登録請求の範囲第１項に記載の警報シス
テムにおいて、前記演算制御回路はマイクロコンピュー
タであることを特徴とする警報システム。(2) Utility Model Registration The alarm system according to claim 1, wherein the arithmetic and control circuit is a microcomputer.
JP11029082U 1982-07-22 1982-07-22 alarm system Pending JPS5915104U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11029082U JPS5915104U (en) 1982-07-22 1982-07-22 alarm system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11029082U JPS5915104U (en) 1982-07-22 1982-07-22 alarm system

Publications (1)

Publication Number Publication Date
JPS5915104U true JPS5915104U (en) 1984-01-30

Family

ID=30256557

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11029082U Pending JPS5915104U (en) 1982-07-22 1982-07-22 alarm system

Country Status (1)

Country Link
JP (1) JPS5915104U (en)

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5631113A (en) * 1979-08-21 1981-03-28 Omron Tateisi Electronics Co Temperature adjuster

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5631113A (en) * 1979-08-21 1981-03-28 Omron Tateisi Electronics Co Temperature adjuster

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