JPS62960U - - Google Patents
Info
- Publication number
- JPS62960U JPS62960U JP9319185U JP9319185U JPS62960U JP S62960 U JPS62960 U JP S62960U JP 9319185 U JP9319185 U JP 9319185U JP 9319185 U JP9319185 U JP 9319185U JP S62960 U JPS62960 U JP S62960U
- Authority
- JP
- Japan
- Prior art keywords
- semiconductor element
- load control
- output means
- anode
- test 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
- 238000007689 inspection Methods 0.000 claims description 2
- 230000002265 prevention Effects 0.000 claims description 2
- 239000004065 semiconductor Substances 0.000 claims 6
- 239000000446 fuel Substances 0.000 claims 1
- 230000001360 synchronised effect Effects 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Testing Of Individual Semiconductor Devices (AREA)
- Regulation And Control Of Combustion (AREA)
Description
図面は本考案の実施例を示すものであり、第１
図はその電気回路図、第２図は出力状態を示す説
明図である。
１……マイコン、２……リレー、３……負荷電
源制御トランジスタ、４……負荷電源制御出力ポ
ート、８……負荷制御出力ポート、１０……プル
アツプ抵抗、１１……逆流防止用ダイオード、１
３……検査信号入力ポート。
The drawings show an embodiment of the present invention.
The figure is an electric circuit diagram thereof, and FIG. 2 is an explanatory diagram showing the output state. 1...Microcomputer, 2...Relay, 3...Load power supply control transistor, 4...Load power supply control output port, 8...Load control output port, 10...Pull-up resistor, 11...Reverse current prevention diode, 1
3...Inspection signal input port.
Claims (1)
ルスを含む負荷制御信号を出力する負荷制御出力
手段と、上記負荷制御出力ポートな接続された半
導体素子の出力端に接続される検査信号出力手段
とを設け、この検査信号出力手段を、上記半導体
素子の出力端にカソード接続された逆流防止用ダ
イオードと、このダイオードのアノードに接続さ
れた定電圧電源とで構成する一方、上記負荷制御
信号と上記ダイオードのアノード電圧とを比較し
てこれらが同期しているか否かにより上記半導体
の動作が正常か否かを判別する判別手段を設けた
ことを特徴とする給湯器等の燃料弁駆動用半導体
素子検査回路。 A load control output means for outputting a load control signal including a high level pulse that does not periodically turn off the load, and a test signal output means connected to an output terminal of a semiconductor element connected to the load control output port. The test signal output means is composed of a backflow prevention diode whose cathode is connected to the output terminal of the semiconductor element, and a constant voltage power supply connected to the anode of this diode, while Inspection of a semiconductor element for driving a fuel valve of a water heater, etc., characterized in that a determination means is provided for determining whether the operation of the semiconductor is normal or not based on whether or not these are synchronized by comparing the anode voltage of the semiconductor element with the anode voltage of the semiconductor element. circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9319185U JPS62960U (en) | 1985-06-19 | 1985-06-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9319185U JPS62960U (en) | 1985-06-19 | 1985-06-19 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62960U true JPS62960U (en) | 1987-01-07 |
Family
ID=30650647
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9319185U Pending JPS62960U (en) | 1985-06-19 | 1985-06-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62960U (en) |
-
1985
- 1985-06-19 JP JP9319185U patent/JPS62960U/ja active Pending