JPS61105872U - - Google Patents
Info
- Publication number
- JPS61105872U JPS61105872U JP19167284U JP19167284U JPS61105872U JP S61105872 U JPS61105872 U JP S61105872U JP 19167284 U JP19167284 U JP 19167284U JP 19167284 U JP19167284 U JP 19167284U JP S61105872 U JPS61105872 U JP S61105872U
- Authority
- JP
- Japan
- Prior art keywords
- cable
- control relay
- monitoring current
- drive control
- drive
- 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 2
- 238000012544 monitoring process Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 2
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わる回路の構成
を示すブロツク図、第２図は従来の駆動装置及び
制御装置の各回路の構成を示すブロツク図である
。
１２……フリツプフロツプ、１４ａ，１４ｂ…
…制御用リレー、１５……駆動用リレー、１８…
…ケーブル、１９……電流計、２１……断線検出
回路。
FIG. 1 is a block diagram showing the configuration of a circuit according to an embodiment of the present invention, and FIG. 2 is a block diagram showing the configuration of each circuit of a conventional drive device and control device. 12...Flip-flop, 14a, 14b...
...Control relay, 15...Driving relay, 18...
... Cable, 19 ... Ammeter, 21 ... Disconnection detection circuit.
Claims (1)
装置において、前記駆動装置と駆動制御用リレー
間を接続するケーブルと、前記駆動制御用リレー
のオフ動作時に前記ケーブルに監視用電流を供給
する電流供給回路と、前記ケーブルを流れる監視
用電流を監視しその監視用電流のレベル変化を検
出して前記ケーブルの断線状態を検出する検出回
路とを具備してなることを特徴とする断線検出回
路。 In an electronic control device having a drive control relay of a drive device, a cable connecting the drive device and the drive control relay, and a current supply circuit that supplies a monitoring current to the cable when the drive control relay is turned off. and a detection circuit that monitors a monitoring current flowing through the cable and detects a change in level of the monitoring current to detect a disconnection state of the cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19167284U JPS61105872U (en) | 1984-12-18 | 1984-12-18 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP19167284U JPS61105872U (en) | 1984-12-18 | 1984-12-18 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS61105872U true JPS61105872U (en) | 1986-07-05 |
Family
ID=30749109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP19167284U Pending JPS61105872U (en) | 1984-12-18 | 1984-12-18 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61105872U (en) |
-
1984
- 1984-12-18 JP JP19167284U patent/JPS61105872U/ja active Pending
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