JPS649422U - - Google Patents
Info
- Publication number
- JPS649422U JPS649422U JP10349387U JP10349387U JPS649422U JP S649422 U JPS649422 U JP S649422U JP 10349387 U JP10349387 U JP 10349387U JP 10349387 U JP10349387 U JP 10349387U JP S649422 U JPS649422 U JP S649422U
- Authority
- JP
- Japan
- Prior art keywords
- relay
- detected
- signal
- notification
- detection 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
- 238000001514 detection method Methods 0.000 claims description 3
- 230000002159 abnormal effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Emergency Alarm Devices (AREA)
- Protection Of Static Devices (AREA)
Description
第１図は本考案の一実施例のリレー制御回路図
、第２図は従来の同回路図である。
１……制御素子、２……リレー、９……ブザー
、１１……検出回路。
FIG. 1 is a relay control circuit diagram of an embodiment of the present invention, and FIG. 2 is a conventional circuit diagram. 1... Control element, 2... Relay, 9... Buzzer, 11... Detection circuit.
Claims (1)
において、リレー２の接点のＯＮ，ＯＦＦ作動を
検出する検出回路１１を設け、検出回路１１から
の信号を制御素子１に入力し、その信号の変化に
対し接点の異常の状態を検出したとき、ブザー９
の報知素子により報知せしめることを特徴とした
リレー制御回路。 In a relay control circuit that controls a load using a relay, a detection circuit 11 that detects ON/OFF operation of the contacts of the relay 2 is provided, a signal from the detection circuit 11 is input to the control element 1, and a change in the signal is detected. On the other hand, when an abnormal state of the contact is detected, the buzzer 9
A relay control circuit characterized in that a notification is made by a notification element.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10349387U JPS649422U (en) | 1987-07-06 | 1987-07-06 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10349387U JPS649422U (en) | 1987-07-06 | 1987-07-06 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS649422U true JPS649422U (en) | 1989-01-19 |
Family
ID=31334374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10349387U Pending JPS649422U (en) | 1987-07-06 | 1987-07-06 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS649422U (en) |
-
1987
- 1987-07-06 JP JP10349387U patent/JPS649422U/ja active Pending
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