BACnet communication Status objects and methods of determining communication status of BACnet devices
US7761563B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Jun 4, 2008 |
| Grant date | Jul 20, 2010 |
| Priority date | — |
| Expiry date | Mar 12, 2029 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L43/0811
- WIPO fieldDigital communication
- WIPO sectorElectrical engineering
Abstract
BACnet objects and methods for efficiently monitoring the communication status of networks and devices in a building automation and control system are presented. A pair of bus communication status objects, including a server object and a client object, provide the communication status of an MS/TP network as an OCTET String transmitted only upon a change of value (COV) of the communication status of a device on the network. Individual devices may be monitored with a device communication status object, in conjunction with or apart from the bus communication status objects. For MS/TP devices, automatic configuration and monitoring in a controller is provided. For other devices, a user interface is provided through a graphical tool to allow configuration to specify the desired device and/or network for monitoring.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.