Communication technique for field devices in industrial processes
US6370448B1 · kind B1 · utility
180Cited by
165References
12Claims
0Family size
Assignee
Inventor
Key dates
| Filing date | Oct 12, 1998 |
| Grant date | Apr 9, 2002 |
| Priority date | — |
| Expiry date | Oct 12, 2018 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P90/02
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
A process device is adapted to couple to a process control loop and communicate on the process control loop. Communication on the process control loop is effected in accordance with an internet protocol. A process communication device is also provided which couples to the process control loop, and an internet. The process communication device provides process control information received from the process control loop, to the internet. Conversely, the process communication device also provides information received from the internet to the process control loop.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.