JPH0281485U - - Google Patents
Info
- Publication number
- JPH0281485U JPH0281485U JP16059188U JP16059188U JPH0281485U JP H0281485 U JPH0281485 U JP H0281485U JP 16059188 U JP16059188 U JP 16059188U JP 16059188 U JP16059188 U JP 16059188U JP H0281485 U JPH0281485 U JP H0281485U
- Authority
- JP
- Japan
- Prior art keywords
- control circuit
- controlled
- signal input
- schmitt trigger
- switching element
- 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
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Arrangements For Transmission Of Measured Signals (AREA)
Description
第１図は本考案の実施例を示す回路図、第２図
は従来の制御回路図、第３図は第１図回路の動作
タイミングチヤートを示す。
１……信号入力部、Ｓ１，Ｓ２……シユミツト
トリガ回路、２……スイツチング素子、３……抵
抗。
FIG. 1 is a circuit diagram showing an embodiment of the present invention, FIG. 2 is a conventional control circuit diagram, and FIG. 3 is an operation timing chart of the circuit shown in FIG. DESCRIPTION OF SYMBOLS 1... Signal input part, S1 , S2 ... Schmitt trigger circuit, 2... Switching element, 3... Resistor.
Claims (1)
入力部に供給し制御動作させる制御回路において
、上記開閉信号入力部に閾値の異なる２つのシユ
ミツトトリガ回路を介挿し、かつ、上記被制御部
のスイツチング素子に抵抗を並列に接続し、各シ
ユミツトトリガ回路の出力に基づいて制御部及び
被制御部間の断線を検出することを特徴とする制
御回路。 In the control circuit for controlling the switching element of the controlled part by supplying it to the switching signal input part, two Schmitt trigger circuits with different threshold values are inserted in the switching signal input part, and the switching element of the controlled part is connected to the control circuit. A control circuit characterized in that resistors are connected in parallel and a disconnection between a control section and a controlled section is detected based on the output of each Schmitt trigger circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16059188U JPH0281485U (en) | 1988-12-09 | 1988-12-09 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16059188U JPH0281485U (en) | 1988-12-09 | 1988-12-09 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0281485U true JPH0281485U (en) | 1990-06-22 |
Family
ID=31442789
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16059188U Pending JPH0281485U (en) | 1988-12-09 | 1988-12-09 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0281485U (en) |
-
1988
- 1988-12-09 JP JP16059188U patent/JPH0281485U/ja active Pending
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