Motor control device
US10965225B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 20, 2018 |
| Grant date | Mar 30, 2021 |
| Priority date | — |
| Expiry date | Feb 20, 2038 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH02P29/027
- WIPO fieldElectrical machinery, apparatus, energy
- WIPO sectorElectrical engineering
Abstract
This motor control devices provided with: a motor control unit which generates a command value on the basis of a motor drive command acquired from a PLC over a communication line; a drive unit which supplies motor drive voltage according to the command value; an interruption unit which interrupts transmission of the drive signal to the motor; a safety input unit which receives an emergency stop input operation over a control signal line; a reset input unit which receives a reset input operation; a determination unit which determines whether or not safety is maintained on the basis of input to the safety input unit; and a safety control unit which, when the safety input unit receives an emergency stop input operation, performs interruption processing of the drive signal through the interruption unit, and when the reset input unit receives a reset input operation, performs restart processing if safety is maintained.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.