Transmitter with software for determining when to initiate diagnostics
US6119047A · kind A · utility
160Cited by
99References
22Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 10, 1997 |
| Grant date | Sep 12, 2000 |
| Priority date | — |
| Expiry date | Nov 10, 2017 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05B23/0278
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A process device couples to a process control loop. The process device receives a process signal. A memory in the process device contains a nominal parameter value. Computing circuitry provides an event output based upon the stored nominal value and the process signal. Output circuitry provides an output in response to the event output.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.