JPH0421879U - - Google Patents
Info
- Publication number
- JPH0421879U JPH0421879U JP6206390U JP6206390U JPH0421879U JP H0421879 U JPH0421879 U JP H0421879U JP 6206390 U JP6206390 U JP 6206390U JP 6206390 U JP6206390 U JP 6206390U JP H0421879 U JPH0421879 U JP H0421879U
- Authority
- JP
- Japan
- Prior art keywords
- current range
- voltage
- current
- relay
- switching
- 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
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
Description
第１図は本考案の電圧電流発生装置の回路図、
第２図は故障モードを判断するための電圧値を示
す図である。
１……アンプ、２……電流レンジ切換部、３…
…電流／電圧変換部、４……リレー診断用の内部
負荷、４１……ＦＥＴ、Ｒ４１……リレー診断用
の抵抗、５……切換スイツチ。
Figure 1 is a circuit diagram of the voltage and current generator of the present invention.
FIG. 2 is a diagram showing voltage values for determining failure modes. 1...Amplifier, 2...Current range switching unit, 3...
...Current/voltage converter, 4... Internal load for relay diagnosis, 41... FET, R41 ... Resistor for relay diagnosis, 5... Changeover switch.
Claims (1)
た複数のリレーを切換えることで、アンプからの
出力を所定の電流レンジに切換える電流レンジ切
換部と、 前記電流レンジ設定用の抵抗に生じる電圧降下
を測定する電流／電圧変換部と、 前記電流レンジ切換部の出力端と共通電位間に
リレー診断時にオンとなる切換スイツチで接続さ
れた内部負荷とを備え、 前記電流／電圧変換部から得られる電圧信号の
値により、前記リレーの異常動作を判断できるよ
うにしたことを特徴とする電圧電流発生装置。[Scope of Claim for Utility Model Registration] A current range switching unit that switches the output from an amplifier to a predetermined current range by switching a plurality of relays provided for each of the plurality of current range setting resistors; and the current range setting. and an internal load connected between the output terminal of the current range switching section and a common potential by a changeover switch that is turned on during relay diagnosis, /A voltage and current generating device characterized in that abnormal operation of the relay can be determined based on the value of the voltage signal obtained from the voltage converter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6206390U JPH0421879U (en) | 1990-06-12 | 1990-06-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6206390U JPH0421879U (en) | 1990-06-12 | 1990-06-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0421879U true JPH0421879U (en) | 1992-02-24 |
Family
ID=31590874
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6206390U Pending JPH0421879U (en) | 1990-06-12 | 1990-06-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0421879U (en) |
-
1990
- 1990-06-12 JP JP6206390U patent/JPH0421879U/ja active Pending