SE417361B - Anordning for elektrisk overvakning av trycksekerhetsventiler - Google Patents
Anordning for elektrisk overvakning av trycksekerhetsventilerInfo
- Publication number
- SE417361B SE417361B SE7806345A SE7806345A SE417361B SE 417361 B SE417361 B SE 417361B SE 7806345 A SE7806345 A SE 7806345A SE 7806345 A SE7806345 A SE 7806345A SE 417361 B SE417361 B SE 417361B
- Authority
- SE
- Sweden
- Prior art keywords
- relays
- relay
- limit switches
- switches
- output circuit
- Prior art date
Links
Classifications
-
- 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
- H01H47/004—Monitoring or fail-safe circuits using plural redundant serial connected relay operated contacts in controlled circuit
- H01H47/005—Safety control circuits therefor, e.g. chain of relays mutually monitoring each other
Landscapes
- Safety Devices In Control Systems (AREA)
- Control Of Presses (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19782818173 DE2818173B1 (de) | 1978-04-26 | 1978-04-26 | Anordnung zur elektrischen UEberwachung von Pressensicherheitsventilen |
Publications (2)
Publication Number | Publication Date |
---|---|
SE7806345L SE7806345L (sv) | 1979-10-27 |
SE417361B true SE417361B (sv) | 1981-03-09 |
Family
ID=6037990
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
SE7806345A SE417361B (sv) | 1978-04-26 | 1978-05-31 | Anordning for elektrisk overvakning av trycksekerhetsventiler |
Country Status (4)
Country | Link |
---|---|
CH (1) | CH644303A5 (de) |
DE (1) | DE2818173B1 (de) |
FR (1) | FR2424580A1 (de) |
SE (1) | SE417361B (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3619723A1 (de) * | 1986-06-12 | 1987-12-17 | Kloeckner Moeller Elektrizit | Kontaktbehaftete zusatzsteuerung fuer sicherheitsstromkreise |
DK0565745T3 (da) * | 1992-04-13 | 1996-11-11 | Schneider Electric Gmbh | Overvågning af et signalskift, i særdeleshed i selvkontrollerende styresystemer |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2447123A1 (de) * | 1974-10-02 | 1976-04-08 | Herion Werke Kg | Schaltungsanordnung |
-
1978
- 1978-04-26 DE DE19782818173 patent/DE2818173B1/de not_active Withdrawn
- 1978-05-31 SE SE7806345A patent/SE417361B/sv not_active IP Right Cessation
-
1979
- 1979-03-21 FR FR7907136A patent/FR2424580A1/fr active Granted
- 1979-03-26 CH CH277979A patent/CH644303A5/de not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
FR2424580B1 (de) | 1984-07-06 |
CH644303A5 (en) | 1984-07-31 |
FR2424580A1 (fr) | 1979-11-23 |
SE7806345L (sv) | 1979-10-27 |
DE2818173B1 (de) | 1979-03-29 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
NUG | Patent has lapsed |
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