JPS62129239U - - Google Patents
Info
- Publication number
- JPS62129239U JPS62129239U JP392286U JP392286U JPS62129239U JP S62129239 U JPS62129239 U JP S62129239U JP 392286 U JP392286 U JP 392286U JP 392286 U JP392286 U JP 392286U JP S62129239 U JPS62129239 U JP S62129239U
- Authority
- JP
- Japan
- Prior art keywords
- terminal
- test
- test terminal
- input level
- protective relay
- 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
- 230000001681 protective effect Effects 0.000 claims description 5
- 238000010586 diagram Methods 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
Description
第１図は本考案の一実施例を示すブロツク図を
示したものである。
ＲＬ１，ＲＬ２…保護継電器、Ａ…被監視入力
が設定値を超えた時に保護動作を行う手段、Ｂ…
入力レベルを表示する手段、ＩＮ…被監視入力端
子、Ｔ…外部試験端子、ＳＷ…試験スイツチ、Ｖ
Ｒ…可変抵抗器、１…増幅器、２…整流平滑回路
、３…Ａ／Ｄ変換器、４…デイジタルコンパレー
タ、５…設定器、６…出力リレー、７…表示部。
FIG. 1 shows a block diagram showing one embodiment of the present invention. RL 1 , RL 2 ...Protective relay, A...Means for performing a protective operation when the monitored input exceeds a set value, B...
Means for displaying input level, IN...monitored input terminal, T...external test terminal, SW...test switch, V
R... Variable resistor, 1... Amplifier, 2... Rectifier and smoothing circuit, 3... A/D converter, 4... Digital comparator, 5... Setting device, 6... Output relay, 7... Display section.
Claims (1)
作を行う手段と、該入力レベルを表示する手段と
を備えた保護継電器において、内部電源電圧を外
部より操作可能な可変抵抗器と試験スイツチとを
介して外部試験端子に導出すると共に、該外部試
験端子と被監視入力端子とを内部で接続して成る
試験機能付き保護継電器。 A protective relay equipped with a means for performing a protective operation when a monitored input level exceeds a specified value and a means for displaying the input level, which includes a variable resistor that can control the internal power supply voltage from the outside and a test switch. A protective relay with a test function, which is led out to an external test terminal through the test terminal, and internally connects the external test terminal and the monitored input terminal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP392286U JPS62129239U (en) | 1986-01-13 | 1986-01-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP392286U JPS62129239U (en) | 1986-01-13 | 1986-01-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS62129239U true JPS62129239U (en) | 1987-08-15 |
Family
ID=30784122
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP392286U Pending JPS62129239U (en) | 1986-01-13 | 1986-01-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS62129239U (en) |
-
1986
- 1986-01-13 JP JP392286U patent/JPS62129239U/ja active Pending