High performance architecture for process transmitters
US9217653B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 13, 2007 |
| Grant date | Dec 22, 2015 |
| Priority date | — |
| Expiry date | Apr 30, 2031 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01D21/00
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A process transmitter includes at least one sensor which monitors a process variable, and analog-to-digital (A/D) converter circuitry coupled to the at least one sensor and configured to provide process variable data indicative of process variable values. A digital signal processor (DSP) is coupled to the A/D converter circuitry to receive the process variable data. The DSP comprises a co-processor configured to receive and perform calculations on the process variable data from the A/D converter circuitry to generate output data. Communications circuitry of the process transmitter is configured either to control communication over loop wiring which can be coupled to the process transmitter, or to control wireless communications with the process transmitter. A microprocessor, separate from the co-processor of the DSP, is coupled between the co-processor and the communications circuitry to control movement of the output data from the DSP to the communications circuitry.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.