JPS6130104U - Control unit malfunction prevention circuit - Google Patents
Control unit malfunction prevention circuitInfo
- Publication number
- JPS6130104U JPS6130104U JP11313984U JP11313984U JPS6130104U JP S6130104 U JPS6130104 U JP S6130104U JP 11313984 U JP11313984 U JP 11313984U JP 11313984 U JP11313984 U JP 11313984U JP S6130104 U JPS6130104 U JP S6130104U
- Authority
- JP
- Japan
- Prior art keywords
- circuit
- control unit
- output
- malfunction prevention
- prevention circuit
- 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
- Safety Devices In Control Systems (AREA)
- Electronic Switches (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
第１図は本考案の実施例を示讐回路図、第２図は同上の
動作を示すタ不ムチャート、第３図は従来例の回路図で
ある。
Ｑは入力用トランジスタ、Ｑ２は電圧検出用トランジス
タ、ｑは入力短絡用トランジスタ、Ｑ４は出力短絡用ト
ランジスタ、−Ａは積分回路、Ｂはしきい値回路、Ｃは
制御回路の出力段、Ｒｔは抵抗、ｃｔはコイデンサ、小
、，ＺＤ２，ＺＤ３はツェナーダイオード、Ｄ１， Ｄ
２， Ｄ３はダイオード、Ｒエ〜Ｒエ。
は抵抗、０１〜Ｃ３はコンデンサ、ＣＴはコントロール
回路、ＩＮは入力端子、ＯＵＴは出力端子、Ｖｃｃ電源
電圧。FIG. 1 is a circuit diagram showing an embodiment of the present invention, FIG. 2 is a timing chart showing the same operation, and FIG. 3 is a circuit diagram of a conventional example. Q is an input transistor, Q2 is a voltage detection transistor, q is an input short-circuit transistor, Q4 is an output short-circuit transistor, -A is an integrating circuit, B is a threshold circuit, C is an output stage of the control circuit, and Rt is a Resistance, ct is coidenser, small, ZD2, ZD3 are Zener diodes, D1, D
2. D3 is a diode, Re~Re. is a resistor, 01 to C3 are capacitors, CT is a control circuit, IN is an input terminal, OUT is an output terminal, and Vcc is a power supply voltage.
Claims (1)
ルユニットにおいて、上記検出信号を入力とする制御回
路と、電源電圧を入力とする積分回路と、この積分回路
出力が一定値を超えたことを検出するしきい値回路と、
このしきい値回路の出力により制御され上記制御回路の
入力端および′出力端とアースとの間を短絡する各トラ
ンジスタニ−り成るコントロールユニットの誤動作防止
回In a control unit that detects sensor output and controls controlled equipment, there is a control circuit that receives the above detection signal as input, an integration circuit that receives power supply voltage as input, and detects when the output of this integration circuit exceeds a certain value. a threshold circuit for
A malfunction prevention circuit for the control unit is controlled by the output of this threshold circuit, and consists of transistor knees that short-circuit between the input terminal and output terminal of the control circuit and the ground.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11313984U JPS6130104U (en) | 1984-07-25 | 1984-07-25 | Control unit malfunction prevention circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11313984U JPS6130104U (en) | 1984-07-25 | 1984-07-25 | Control unit malfunction prevention circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6130104U true JPS6130104U (en) | 1986-02-22 |
Family
ID=30672173
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11313984U Pending JPS6130104U (en) | 1984-07-25 | 1984-07-25 | Control unit malfunction prevention circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6130104U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016524252A (en) * | 2013-06-27 | 2016-08-12 | ピルツ ゲーエムベーハー アンド コー．カーゲー | Safety switchgear with fail-safe input |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5824803B2 (en) * | 1975-11-14 | 1983-05-24 | 松下電器産業株式会社 | Kaitentai no Kaitensokudo Seigiyosouchi |
-
1984
- 1984-07-25 JP JP11313984U patent/JPS6130104U/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5824803B2 (en) * | 1975-11-14 | 1983-05-24 | 松下電器産業株式会社 | Kaitentai no Kaitensokudo Seigiyosouchi |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2016524252A (en) * | 2013-06-27 | 2016-08-12 | ピルツ ゲーエムベーハー アンド コー．カーゲー | Safety switchgear with fail-safe input |
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