JPS63163466U - - Google Patents
Info
- Publication number
- JPS63163466U JPS63163466U JP5660787U JP5660787U JPS63163466U JP S63163466 U JPS63163466 U JP S63163466U JP 5660787 U JP5660787 U JP 5660787U JP 5660787 U JP5660787 U JP 5660787U JP S63163466 U JPS63163466 U JP S63163466U
- Authority
- JP
- Japan
- Prior art keywords
- potentiometer
- terminal
- comparator
- input
- series
- 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
- 238000001514 detection method Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 4
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Description
第１図は本考案の一実施例に係るポテンシヨメ
ータ信号線断線検知装置のブロツク線図、第２図
は本実施例に係るポテンシヨメータ出力電圧レベ
ルと比較器検知レベルとの関係を示す特性図、第
３図は従来の断線検知装置のブロツク線図、第４
図は従来のポテンシヨメータと比較器の関係を示
す特性図である。
１……ポテンシヨメータ、２……比較器、３…
…第１のバイアス低抗、４……第２のバイアス抵
抗、５……第３のバイアス抵抗、６……警報信号
。
FIG. 1 is a block diagram of a potentiometer signal line disconnection detection device according to an embodiment of the present invention, and FIG. 2 shows the relationship between the potentiometer output voltage level and the comparator detection level according to the present embodiment. Characteristic diagram, Figure 3 is a block diagram of a conventional disconnection detection device, Figure 4
The figure is a characteristic diagram showing the relationship between a conventional potentiometer and a comparator. 1... Potentiometer, 2... Comparator, 3...
...First bias resistance, 4...Second bias resistance, 5...Third bias resistance, 6...Alarm signal.
Claims (1)
子の一端と電源の間に直列に配設された第１のバ
イアス抵抗と、前記ポテンシヨメータの端子の他
の一端と前記電源のアース回路との間に直列に配
設された第２のバイアス低抗と、比較電圧レベル
が上位と下位の比較レベルを持つ比較器とを備え
、前記ポテンシヨメータの出力端子と前記比較器
の入力が接続され、前記ポテンシヨメータの３つ
の端子への配線の何れの１つが断線しても前記比
較器の入力端子の入力電圧が前記比較レベルの範
囲外に出ることを検出可能としたことを特徴とす
るポテンシヨメータ信号線断線検知装置。 a potentiometer, a first bias resistor disposed in series between one end of the terminal of the potentiometer and a power supply, and a ground circuit of the power supply and the other end of the terminal of the potentiometer; a second bias resistor arranged in series with the potentiometer, and a comparator having upper and lower comparison voltage levels, the output terminal of the potentiometer and the input of the comparator being connected; The potentiometer is characterized in that even if any one of the wirings to the three terminals of the potentiometer is disconnected, it is possible to detect that the input voltage at the input terminal of the comparator goes outside the range of the comparison level. Yometer signal line disconnection detection device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5660787U JPS63163466U (en) | 1987-04-14 | 1987-04-14 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5660787U JPS63163466U (en) | 1987-04-14 | 1987-04-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63163466U true JPS63163466U (en) | 1988-10-25 |
Family
ID=30885567
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5660787U Pending JPS63163466U (en) | 1987-04-14 | 1987-04-14 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63163466U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007155444A (en) * | 2005-12-02 | 2007-06-21 | Denso Corp | Disconnection detector |
| JP2015206650A (en) * | 2014-04-18 | 2015-11-19 | リンナイ株式会社 | Resistance detection signal generation circuit for variable resister |
-
1987
- 1987-04-14 JP JP5660787U patent/JPS63163466U/ja active Pending
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2007155444A (en) * | 2005-12-02 | 2007-06-21 | Denso Corp | Disconnection detector |
| JP4692255B2 (en) * | 2005-12-02 | 2011-06-01 | 株式会社デンソー | Disconnection detector |
| JP2015206650A (en) * | 2014-04-18 | 2015-11-19 | リンナイ株式会社 | Resistance detection signal generation circuit for variable resister |
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