FR2346889B2 - - Google Patents
Info
- Publication number
- FR2346889B2 FR2346889B2 FR7609116A FR7609116A FR2346889B2 FR 2346889 B2 FR2346889 B2 FR 2346889B2 FR 7609116 A FR7609116 A FR 7609116A FR 7609116 A FR7609116 A FR 7609116A FR 2346889 B2 FR2346889 B2 FR 2346889B2
- Authority
- FR
- France
- 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.)
- Expired
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16P—SAFETY DEVICES IN GENERAL; SAFETY DEVICES FOR PRESSES
- F16P3/00—Safety devices acting in conjunction with the control or operation of a machine; Control arrangements requiring the simultaneous use of two or more parts of the body
- F16P3/18—Control arrangements requiring the use of both hands
- F16P3/20—Control arrangements requiring the use of both hands for electric control systems
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- 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
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
- H02H7/005—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for remote controlled apparatus; for lines connecting such apparatus
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Relay Circuits (AREA)
- Keying Circuit Devices (AREA)
- Presses And Accessory Devices Thereof (AREA)
- Control Of Presses (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7609116A FR2346889A2 (fr) | 1976-03-30 | 1976-03-30 | Circuit electrique de securite appliquee a la commande a distance de machines ou installations |
| DE19772713872 DE2713872C3 (de) | 1976-03-30 | 1977-03-29 | Wechselstromsicherheitsschaltung für die Fernbedienung von Maschinen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7609116A FR2346889A2 (fr) | 1976-03-30 | 1976-03-30 | Circuit electrique de securite appliquee a la commande a distance de machines ou installations |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2346889A2 FR2346889A2 (fr) | 1977-10-28 |
| FR2346889B2 true FR2346889B2 (US20040025266A1-20040212-C00001.png) | 1980-06-13 |
Family
ID=9171104
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7609116A Granted FR2346889A2 (fr) | 1976-03-30 | 1976-03-30 | Circuit electrique de securite appliquee a la commande a distance de machines ou installations |
Country Status (2)
| Country | Link |
|---|---|
| DE (1) | DE2713872C3 (US20040025266A1-20040212-C00001.png) |
| FR (1) | FR2346889A2 (US20040025266A1-20040212-C00001.png) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2586835A1 (fr) * | 1985-09-04 | 1987-03-06 | Electroli Sa | Dispositif de commande selective et de securite pour machine combinee |
| DE19715013B4 (de) * | 1997-04-11 | 2008-04-10 | Schneider Electric Gmbh | Schaltung zum Start einer Maschine und Verfahren zur Steuerung eines Starts einer Maschine |
| DE19930994B4 (de) * | 1999-07-05 | 2006-03-02 | Leuze Lumiflex Gmbh + Co. Kg | Schaltungsanordnung zur Überwachung von Relais in Sicherheitsschaltungen mit mindestens 3 Relais |
-
1976
- 1976-03-30 FR FR7609116A patent/FR2346889A2/fr active Granted
-
1977
- 1977-03-29 DE DE19772713872 patent/DE2713872C3/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| DE2713872A1 (de) | 1977-10-13 |
| DE2713872C3 (de) | 1979-10-25 |
| FR2346889A2 (fr) | 1977-10-28 |
| DE2713872B2 (de) | 1979-03-08 |
