Safety device, valve arrangement and method
US12034439B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 4, 2021 |
| Grant date | Jul 9, 2024 |
| Priority date | — |
| Expiry date | Dec 10, 2042 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH03K19/003
- WIPO fieldBasic communication processes
- WIPO sectorElectrical engineering
Abstract
A safety device (10, 30, 40, 50), in particular a safety control apparatus and/or a safety diagnosis apparatus, for industrial automation, including a logic voltage zone (4), a load voltage zone (5) which is galvanically separated from the logic voltage zone (4), a transmission unit (6) for transmitting a communication signal between the logic voltage zone (4) and the load voltage zone (5) whilst maintaining the galvanic separation, a first voltage supply connection (7) for providing a first supply voltage (V1) for the logic voltage zone (4) and a first current limitation element (8), wherein the transmission unit (6) is connected on the first voltage supply connection (7) via the first current limitation element (8) and is fed from the first voltage supply connection (7) via the first current limitation element (8).
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.