PLC based wireless communications
US7656846B2 · kind B2 · utility
1Cited by
26References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 18, 2002 |
| Grant date | Feb 2, 2010 |
| Priority date | — |
| Expiry date | Oct 11, 2025 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG05B2219/15119
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
An apparatus and method for providing wireless communication for a Programmable Logic Controller (PLC). The PLC includes a central processing unit (CPU) card mounted on the backplane of the PLC, a CPU mounted on the CPU card and a means for wireless radio frequency communication coupled to the CPU so that the means for radio frequency communication and CPU communicate without using the PLC module bus.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.