Safety controller
US11054879B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Oct 2, 2018 |
| Grant date | Jul 6, 2021 |
| Priority date | — |
| Expiry date | Oct 2, 2038 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06F1/28
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
The present invention achieves high speed safe response performance. A safety controller (100) includes a first voltage monitoring circuit (12) and a second voltage monitoring circuit (22). The first voltage monitoring circuit (12) is an AD converter which operates upon receiving electric power from a second electric power source (21) and which transmits, to a second MPU (20), a signal that gives notification of occurrence of an anomaly in a first voltage value. The second voltage monitoring circuit (22) is an AD converter which operates upon receiving electric power from a first electric power source (11) and which transmits, to a first MPU (10), a signal that gives notification of occurrence of an anomaly in a second voltage value.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.