JPS5820451U - Relay drive circuit operation monitoring circuit - Google Patents
Relay drive circuit operation monitoring circuitInfo
- Publication number
- JPS5820451U JPS5820451U JP11421781U JP11421781U JPS5820451U JP S5820451 U JPS5820451 U JP S5820451U JP 11421781 U JP11421781 U JP 11421781U JP 11421781 U JP11421781 U JP 11421781U JP S5820451 U JPS5820451 U JP S5820451U
- Authority
- JP
- Japan
- Prior art keywords
- operation monitoring
- relay drive
- drive circuit
- relay
- 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
- Relay Circuits (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図は従来から用いられているリレー駆動回路の動作
監視回路の一例を示す回路図、第２図は本考案に係るリ
レー駆動回路の動作監視回路の一実施例を示す回路図で
ある。
１・・・・・・入力端子、２． ３． ５． ８． １
６． １７゜２０．２１・・・・・・抵抗、４． ６．
７・・・・・・トランジスタ、９・・・・・・リレー
コイル、１８．１９・・・・・・表示器（発光ダイオー
ド）、２２・・・・・・ダイオード。FIG. 1 is a circuit diagram showing an example of a conventional operation monitoring circuit for a relay drive circuit, and FIG. 2 is a circuit diagram showing an embodiment of the operation monitoring circuit for a relay drive circuit according to the present invention. 1... Input terminal, 2. 3. 5. 8. 1
6. 17°20.21...Resistance, 4. 6.
7...Transistor, 9...Relay coil, 18.19...Display device (light emitting diode), 22...Diode.
Claims (1)
によってリレーを動作させるリレー駆動回路において、
前記リレーコイルの低電位側と電源の高電位側、および
リレーコイルの高電位側と電源の低電位側にそれぞれ表
示素子を接続して構成し、これら表示素子の点灯、非点
灯により動作監視を行うリレー駆動回路の動作監視回路
。In a relay drive circuit that operates a relay by the action of both drive circuits connected to both ends of the relay coil,
Display elements are connected to the low potential side of the relay coil and the high potential side of the power supply, and to the high potential side of the relay coil and the low potential side of the power supply, respectively, and operation monitoring is performed by lighting and non-lighting of these display elements. Operation monitoring circuit for relay drive circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11421781U JPS5820451U (en) | 1981-07-31 | 1981-07-31 | Relay drive circuit operation monitoring circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11421781U JPS5820451U (en) | 1981-07-31 | 1981-07-31 | Relay drive circuit operation monitoring circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS5820451U true JPS5820451U (en) | 1983-02-08 |
Family
ID=29908504
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11421781U Pending JPS5820451U (en) | 1981-07-31 | 1981-07-31 | Relay drive circuit operation monitoring circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS5820451U (en) |
-
1981
- 1981-07-31 JP JP11421781U patent/JPS5820451U/en active Pending
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