ATE332568T1 - METHOD FOR MONITORING AN ELECTRICAL CONTACT - Google Patents
METHOD FOR MONITORING AN ELECTRICAL CONTACTInfo
- Publication number
- ATE332568T1 ATE332568T1 AT03360034T AT03360034T ATE332568T1 AT E332568 T1 ATE332568 T1 AT E332568T1 AT 03360034 T AT03360034 T AT 03360034T AT 03360034 T AT03360034 T AT 03360034T AT E332568 T1 ATE332568 T1 AT E332568T1
- Authority
- AT
- Austria
- Prior art keywords
- electrical contact
- monitoring
- contact
- output signal
- state
- Prior art date
Links
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
- H01H9/16—Indicators for switching condition, e.g. "on" or "off"
- H01H9/167—Circuits for remote indication
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
- H01H47/00—Circuit arrangements not adapted to a particular application of the relay and designed to obtain desired operating characteristics or to provide energising current
- H01H47/002—Monitoring or fail-safe circuits
Landscapes
- Measurement Of Current Or Voltage (AREA)
- Testing Or Measuring Of Semiconductors Or The Like (AREA)
- Testing Of Short-Circuits, Discontinuities, Leakage, Or Incorrect Line Connections (AREA)
- Testing Electric Properties And Detecting Electric Faults (AREA)
Abstract
In a method of supervising the state of an electrical contact (11) present in a load circuit (12), an output signal is generated by a detection means (4) present in a supervision circuit (1) also connected to said contact (11). The output signal changes depending on whether the contact (11) is open or closed. Thus, the state of the electrical contact (11) can be monitored. <IMAGE>
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP03360034A EP1453072B1 (en) | 2003-02-28 | 2003-02-28 | Method of supervising an electrical contact |
Publications (1)
Publication Number | Publication Date |
---|---|
ATE332568T1 true ATE332568T1 (en) | 2006-07-15 |
Family
ID=32749017
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AT03360034T ATE332568T1 (en) | 2003-02-28 | 2003-02-28 | METHOD FOR MONITORING AN ELECTRICAL CONTACT |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP1453072B1 (en) |
AT (1) | ATE332568T1 (en) |
DE (1) | DE60306615T2 (en) |
ES (1) | ES2268304T3 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2876482B1 (en) | 2004-10-07 | 2007-01-12 | Siemens Transp Systems Soc Par | SECURE OUTPUT CONTROL SEND DEVICE |
CN100459000C (en) * | 2006-07-19 | 2009-02-04 | 中国科学院等离子体物理研究所 | Explosion switch state detector |
DE102013106487A1 (en) | 2013-06-21 | 2014-12-24 | Wago Verwaltungsgesellschaft Mbh | Monitoring circuit for detecting a switching state of an electrical switching contact and method thereof |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4376277A (en) * | 1980-10-17 | 1983-03-08 | Honeywell Inc. | Dynamic contact checking circuit |
DE3642233C2 (en) * | 1986-12-10 | 1994-03-24 | Steuerungselektronik Schoefman | Self-monitoring device for relay contacts |
US5031110A (en) * | 1989-08-21 | 1991-07-09 | Abb Power T&D Company Inc. | System for monitoring electrical contact activity |
EP0920038A1 (en) * | 1997-11-25 | 1999-06-02 | Electrowatt Technology Innovation AG | Circuit for monitoring an ac switch |
-
2003
- 2003-02-28 DE DE60306615T patent/DE60306615T2/en not_active Expired - Lifetime
- 2003-02-28 AT AT03360034T patent/ATE332568T1/en active
- 2003-02-28 ES ES03360034T patent/ES2268304T3/en not_active Expired - Lifetime
- 2003-02-28 EP EP03360034A patent/EP1453072B1/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE60306615D1 (en) | 2006-08-17 |
ES2268304T3 (en) | 2007-03-16 |
EP1453072B1 (en) | 2006-07-05 |
EP1453072A1 (en) | 2004-09-01 |
DE60306615T2 (en) | 2006-11-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
UEP | Publication of translation of european patent specification |
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