AU7051591A - Safety circuit - Google Patents
Safety circuitInfo
- Publication number
- AU7051591A AU7051591A AU70515/91A AU7051591A AU7051591A AU 7051591 A AU7051591 A AU 7051591A AU 70515/91 A AU70515/91 A AU 70515/91A AU 7051591 A AU7051591 A AU 7051591A AU 7051591 A AU7051591 A AU 7051591A
- Authority
- AU
- Australia
- Prior art keywords
- safety circuit
- safety
- circuit
- 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.)
- Abandoned
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
- F16P3/08—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 in connection with the locking of doors, covers, guards, or like members giving access to moving machine parts
- F16P3/10—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 in connection with the locking of doors, covers, guards, or like members giving access to moving machine parts in which the operation of locking the door or other member causes the machine to start
-
- 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
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Protection Of Static Devices (AREA)
- Relay Circuits (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB898929104A GB8929104D0 (en) | 1989-12-22 | 1989-12-22 | Safety circuit |
GB8929104 | 1989-12-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
AU7051591A true AU7051591A (en) | 1991-07-24 |
Family
ID=10668448
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
AU70515/91A Abandoned AU7051591A (en) | 1989-12-22 | 1990-12-20 | Safety circuit |
Country Status (3)
Country | Link |
---|---|
AU (1) | AU7051591A (en) |
GB (1) | GB8929104D0 (en) |
WO (1) | WO1991010250A1 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB9118501D0 (en) * | 1991-08-29 | 1991-10-16 | Jury Christopher | An electrical switch assembly |
FR2789204B1 (en) * | 1999-02-03 | 2001-03-09 | Btinternat | ELECTRONIC DEVICE FOR MONITORING AND MEMORIZING FAULT IN OPENING SECURITY LINES |
EP2378380B1 (en) * | 2010-04-16 | 2012-12-12 | Siemens Aktiengesellschaft | Connection device for field devices and method for operating same |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3541338A1 (en) * | 1985-11-22 | 1987-05-27 | Pepperl & Fuchs | Circuit having self-monitoring |
DE3703859A1 (en) * | 1987-02-07 | 1988-08-18 | Elobau Elektrobauelemente Gmbh | Electrical position switching arrangement acting without contact |
-
1989
- 1989-12-22 GB GB898929104A patent/GB8929104D0/en active Pending
-
1990
- 1990-12-20 WO PCT/GB1990/001998 patent/WO1991010250A1/en unknown
- 1990-12-20 AU AU70515/91A patent/AU7051591A/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
WO1991010250A1 (en) | 1991-07-11 |
GB8929104D0 (en) | 1990-02-28 |
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