JPS58179835U - Failure detection circuit - Google Patents
Failure detection circuitInfo
- Publication number
- JPS58179835U JPS58179835U JP7805082U JP7805082U JPS58179835U JP S58179835 U JPS58179835 U JP S58179835U JP 7805082 U JP7805082 U JP 7805082U JP 7805082 U JP7805082 U JP 7805082U JP S58179835 U JPS58179835 U JP S58179835U
- Authority
- JP
- Japan
- Prior art keywords
- failure detection
- detection circuit
- excitation
- 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
- Alarm Systems (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図は故障検出回路の従来例を示す回路−、第２図は
本考案に係る故障検出回路の一実施例を示す回路図であ
る。
Ｆ□〜Ｆｎ・・・故障検出接点、Ｒ３・・・リセットス
イッチ、Ｙ１〜Ｙｎ・・・補助リレー、Ｙｌ−ａ〜Ｙｎ
−ａ・・・リレーのａ接点、Ｙｌ−ｂ−Ｙｎｌｂ−リレ
ーのｂ接点、ＳＬ１〜ＳＬｎ・・・表示灯、ＬＴ・・・
ランプテストスイッチ。FIG. 1 is a circuit diagram showing a conventional example of a failure detection circuit, and FIG. 2 is a circuit diagram showing an embodiment of the failure detection circuit according to the present invention. F□~Fn...failure detection contact, R3...reset switch, Y1~Yn...auxiliary relay, Yl-a~Yn
-a...Relay a contact, Yl-b-Ynlb-relay b contact, SL1 to SLn...indicator light, LT...
Lamp test switch.
Claims (1)
作させて故障表示を行うものにおいて、各補助リレーの
励磁回路を共通のリセットスイッチを介して制御電源線
に接続するとともに、各励、磁回路間にあるリレーが動
作したときこれ以外のリレーの励磁を防止する回路を補
助リレーのｂ接点により形成したことを特徴とする故障
検出回路。In systems that identify various types of failures individually and operate the corresponding auxiliary relays to indicate the failure, the excitation circuit of each auxiliary relay is connected to the control power line via a common reset switch, and each excitation, A failure detection circuit characterized in that a circuit that prevents excitation of other relays when a relay between magnetic circuits operates is formed by a b contact of an auxiliary relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7805082U JPS58179835U (en) | 1982-05-27 | 1982-05-27 | Failure detection circuit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP7805082U JPS58179835U (en) | 1982-05-27 | 1982-05-27 | Failure detection circuit |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS58179835U true JPS58179835U (en) | 1983-12-01 |
Family
ID=30087294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP7805082U Pending JPS58179835U (en) | 1982-05-27 | 1982-05-27 | Failure detection circuit |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS58179835U (en) |
-
1982
- 1982-05-27 JP JP7805082U patent/JPS58179835U/en active Pending
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| JPS60178891U (en) | Fault indicator | |
| JPS58179835U (en) | Failure detection circuit | |
| JPS5881604U (en) | Status display circuit with alarm | |
| JPS5851388U (en) | Fault detection circuit for fire alarm district bell line | |
| JPS6074454U (en) | power protection circuit | |
| JPS60170900U (en) | Annunciator display device | |
| JPS58124801U (en) | Detector duplication switching circuit | |
| JPS586537U (en) | monitoring circuit | |
| JPS59174627U (en) | Power supply sequence processing device | |
| JPS5875433U (en) | Operation switching device for electrical equipment | |
| JPS605219U (en) | Re-failure display circuit | |
| JPS6113538U (en) | Failure indication circuit | |
| JPS5872902U (en) | Vehicle failure monitoring device | |
| JPS58179836U (en) | Field contact abnormality monitoring circuit | |
| JPS59112451U (en) | Contact failure display circuit for electrical switching contacts | |
| JPS594005U (en) | Control unit abnormal operation prevention circuit | |
| JPS5847989U (en) | gas leak alarm | |
| JPS5914426U (en) | input circuit | |
| JPS5896274U (en) | Relay with disconnection indicator | |
| JPS5832528U (en) | Short-circuit protection method of contact output card for controller | |
| JPS6146695U (en) | First arrival failure detection circuit | |
| JPS5866828U (en) | Power outage detection circuit | |
| JPS59161074U (en) | Power polarity switching device | |
| JPS5911394U (en) | Alarm display circuit | |
| JPS5828342U (en) | Fault indicator |