Internet control system communication protocol, method and computer program
US7673030B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 17, 2006 |
| Grant date | Mar 2, 2010 |
| Priority date | — |
| Expiry date | Mar 28, 2027 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L2012/285
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
A control system, method and computer program are provided for communicating control information in a control system. The control system includes a master controller and a plurality of devices. Each of the plurality of devices have a number of channels. Each channel has an identifying number and a plurality of channel states. The method includes at least initially directing one or more messages sent to and from each device to the master controller, sending a first type of control message from the master controller to respective devices, and sending a second type of control message and a third type of control message from the master controller to respective devices. A control message of the first type directs the respective device to place one of its channels in a specified channel state. A control message of the second type directs the respective device to set the level of a specified parameter to a certain value, and a control message of the third type comprises a character string of variable length.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.