JPS6025018U - Malfunction prevention device - Google Patents
Malfunction prevention deviceInfo
- Publication number
- JPS6025018U JPS6025018U JP11647083U JP11647083U JPS6025018U JP S6025018 U JPS6025018 U JP S6025018U JP 11647083 U JP11647083 U JP 11647083U JP 11647083 U JP11647083 U JP 11647083U JP S6025018 U JPS6025018 U JP S6025018U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- malfunction
- prevention device
- power
- 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
Links
Landscapes
- Control Of Voltage And Current In General (AREA)
- Safety Devices In Control Systems (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) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は本考秦の誤動作防止装置を本体と入出力装置が
結合されているシステムに適用した場合の一実施例を示
す構成図、第２図は第１図及び第３図で示した電圧監視
回路２の詳細構成例を示した回路図、第３図は本考案の
誤動作防止装置をリアルタイマに適用した場合の一実施
例を示す構成図、第４図は第３図の動作タイミングチャ
ート図。
１・・・フリップフロップ、２・・・電圧監視回路、３
・・・インターフェースドライバ回路、４・・・インタ
ーフェースレシーバ回路、９・・・リアルタイマ集積回
路、１０・・・デコーダ、１１・・・ラッチ、Ａ・・・
本体、Ｂ・・・入出力装置。Figure 1 is a configuration diagram showing an example of the case where the malfunction prevention device of this study is applied to a system in which the main body and input/output device are combined, and Figure 2 is a diagram showing the configuration shown in Figures 1 and 3. A circuit diagram showing a detailed configuration example of the voltage monitoring circuit 2, FIG. 3 is a configuration diagram showing an example of applying the malfunction prevention device of the present invention to a real timer, and FIG. 4 shows the operation timing of FIG. 3. chart diagram. 1...Flip-flop, 2...Voltage monitoring circuit, 3
... Interface driver circuit, 4... Interface receiver circuit, 9... Real timer integrated circuit, 10... Decoder, 11... Latch, A...
Main body, B... input/output device.
Claims (1)
る複数機器間のインターフェース回路又はバッテリバッ
クアップ付回路で通常は商用電源を電源とし停電時はバ
ッテリを電源とする回路において、電源電圧が前記回路
の動作保証規定値以上である時はハイレベル信号を出力
し規定値以下である時はローレベル信号を出力する電圧
監視回路と、電源オンオフ時の電圧過渡状態時等に前記
電圧監視回路の出力力釦−レベルとなる回路誤動作によ
り発生する信号を阻止する回路又は前記誤信号により動
作する回路の動作を停止する回路とを具備したことを特
徴とする誤動作防止装置。An interface circuit between multiple devices that operates on multiple power sources that can be turned on and off independently, or a circuit with battery backup, which is normally powered by a commercial power source and uses a battery in the event of a power outage. A voltage monitoring circuit that outputs a high level signal when it is above the guaranteed specified value and a low level signal when it is below the specified value, and an output power button of the voltage monitoring circuit when the voltage is in a transient state such as when turning the power on and off. - A malfunction prevention device characterized by comprising a circuit for blocking a signal generated due to a malfunction of a circuit that becomes a level, or a circuit for stopping the operation of a circuit operated by the malfunction signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11647083U JPS6025018U (en) | 1983-07-28 | 1983-07-28 | Malfunction prevention device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11647083U JPS6025018U (en) | 1983-07-28 | 1983-07-28 | Malfunction prevention device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6025018U true JPS6025018U (en) | 1985-02-20 |
Family
ID=30268473
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11647083U Pending JPS6025018U (en) | 1983-07-28 | 1983-07-28 | Malfunction prevention device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6025018U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03201002A (en) * | 1989-05-17 | 1991-09-02 | Nippondenso Co Ltd | Power controller |
-
1983
- 1983-07-28 JP JP11647083U patent/JPS6025018U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03201002A (en) * | 1989-05-17 | 1991-09-02 | Nippondenso Co Ltd | Power controller |
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