최소 단어 이상 선택하여야 합니다.
최대 10 단어까지만 선택 가능합니다.
다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
NTIS 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
DataON 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Edison 바로가기다음과 같은 기능을 한번의 로그인으로 사용 할 수 있습니다.
Kafe 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0603558 (2009-10-21) |
등록번호 | US-8352081 (2013-01-08) |
발명자 / 주소 |
|
출원인 / 주소 |
|
인용정보 | 피인용 횟수 : 22 인용 특허 : 611 |
The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In an embodiment, the network includes a demand unit and a subnet controller. The demand unit is coupled to a data bus and configured to provide a primary service having a maximum servic
The disclosure provides an HVAC data processing and communication network and a method of manufacturing the same. In an embodiment, the network includes a demand unit and a subnet controller. The demand unit is coupled to a data bus and configured to provide a primary service having a maximum service capacity. The subnet controller is configured to send a demand message to the demand unit via the data bus instructing the demand unit to provide a portion of the maximum.
1. An HVAC data processing and communication network, comprising: a demand unit coupled to a data bus and configured to: provide a primary service having a maximum service capacity; andpublish a device status vector to said data bus that includes a status bit indicating availability of said primary
1. An HVAC data processing and communication network, comprising: a demand unit coupled to a data bus and configured to: provide a primary service having a maximum service capacity; andpublish a device status vector to said data bus that includes a status bit indicating availability of said primary service and a status bit of a service that is not provided by said demand unit; anda subnet controller configured to send a demand message to said demand unit via said data bus instructing said demand unit to provide a portion of said maximum. 2. The network of claim 1, wherein said subnet controller is further configured to track availability of said service, including receiving a device status message from said demand unit indicating the availability of said service. 3. The network of claim 2, wherein said subnet controller is further configured to clear said demand message when said service is unavailable. 4. The network of claim 1, wherein said service is a staged service, and said demand unit is configured to round a service request to a stage capacity. 5. The network of claim 1, wherein said demand unit provides an ancillary service having a default service level and is configurable to provide a service level less than said default level. 6. The network of claim 5, wherein said ancillary service is air circulation. 7. The network of claim 5, wherein said demand message overrides said default service level. 8. The network of claim 1, wherein said subnet controller is configured to determine the logical AND of a plurality of device status vectors published by a corresponding plurality of demand units, and to determine from said logical AND an availability of a plurality of services provided by said demand units. 9. A method of manufacturing an HVAC data processing and communication network, comprising: configuring a demand unit to: provide a primary service having a maximum service capacity; andpublish a device status vector to said data bus that includes a status bit indicating availability of said primary service and a status bit of a service that is not provided by said demand unit; andconfiguring a subnet controller to send a demand message to said demand unit instructing said demand unit to provide a portion of said maximum. 10. The method of claim 9, further comprising configuring said subnet controller to track availability of said service. 11. The method of claim 10, wherein tracking availability of said service includes receiving a device status message from said demand unit indicating the availability of said service. 12. The method of claim 11, further comprising configuring said subnet controller to disregard a request for said service when said device status message indicates said service is unavailable. 13. The method of claim 9, wherein said service is a staged service, and further comprising configuring said demand unit to round a service request to a stage capacity. 14. The method of claim 9, wherein said demand unit provides an ancillary service in a default proportion to said primary service. 15. The method of claim 9, further comprising configuring said subnet controller to determine the logical AND of a plurality of device status vectors published by a corresponding plurality of demand units, and to determine from said logical AND an availability of a plurality of services provided by said demand units. 16. An HVAC data processing and communication network subnet controller, comprising: a physical layer interface adapted to couple to a data bus of an HVAC data processing and communications network; anda local controller configured to cooperate with said physical layer interface to: publish a demand message to said data bus, said demand message configured to instruct an HVAC demand unit to provide a portion of a maximum service capacity; anddetermine the logical AND of a plurality of device status vectors published to said data bus by a corresponding plurality of demand units, and to determine from said logical AND an availability of a plurality of services provided by said demand units. 17. The subnet controller of claim 16, wherein said local controller is further configured to track availability of said service. 18. The network of claim 17, wherein tracking availability of said service includes receiving a device status message from said demand unit indicating the availability of said service. 19. The network of claim 18, wherein said local controller is further configured to disregard a request for said service when said device status message indicates said service is unavailable. 20. The network of claim 18, wherein said local controller is further configured to clear said demand message when said service is unavailable.
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