System and method for configuration of HVAC network

• US 6,667,690 B2
• Filed: 01/22/2002
• Issued: 12/23/2003
• Est. Priority Date: 01/22/2002
• Status: Active Grant

• Current Assignee: Carrier Corporation (Carrier Global Corporation)
• Original Assignee: Carrier Corporation (Carrier Global Corporation)
• Inventors: Durej, Ronald G., Gonchar, Richard P.
• Primary Examiner(s): TONG, NINA C
• Application Number:
  US10/051,996
• Publication Number:
  US 20030137396A1
• Time in Patent Office: 700 Days
• Field of Search: 340/572.1, 340/310.01, 340/3.1, 340/825.23, 340/5.1, 340/5.2, 340/10.1, 340/825.52, 340/310.06, 340/539.1
• US Class Current: 340/572.1
• CPC Class Codes: G05B 15/02 electric
• CPC Class Codes: G05B 2219/21028 Address of module determined by position
• CPC Class Codes: G05B 2219/21053 Each unit, module has unique identification code, set during manufacturing, fMAC address
• CPC Class Codes: G05B 2219/25196 Radio link, transponder
• CPC Class Codes: G05B 2219/2638 Airconditioning

Abstract

HVAC network devices are provided with radio frequency identification tags (RFID tags) which can be read by a read/write device. The read tag identification of each network device is stored in memory within the HVAC network device. A device capable of reading the RFID tags of the HVAC network devices will be used by a person to assign network addresses to each network device. In particular, the person will use information concerning the location of an HVAC network device to determine the network address that is to be assigned to the network device. The thus identified network address along with the tag identification is transmitted to a network controller for the communication network. The network controller will transmit a configuration message over the communication bus that will include the tag identification as well as the desired network address. The HVAC network device having the matching tag identification will respond to the configuration message from the network controller so as to thereby allow the desired network address to be downloaded to the particular HVAC network device.

Claims

1. A process for assigning network addresses to HVAC network devices within a network having at least one network controller, said process comprising:

providing radio frequency identification (RFID) tags to one or more of the HVAC network devices;

storing tag identifications transmitted by the RFID tags within the one or more HVAC network devices;

reading a tag identification transmitted by an RFID tag associated with one of the HVAC network devices;

transmitting the read tag identification and a network address to be assigned to the HVAC network device to the network controller;

sending a message from the network controller to the HVAC network devices having RFID tags, the message including the tag identification and the assigned network address transmitted to the network controller; and

accepting the assigned network address at the HVAC network device having a stored tag identification corresponding to the tag identification in the message from the network controller.

2. The process of claim 1 further comprising the steps of:

accessing a database containing network addresses for the one or more HVAC devices having RFID tags; and

identifying the network address for the HVAC network device having the associated RFID tag transmitting the read tag identification in said step of reading a tag identification transmitted by an RFID tag associated with one of the HVAC network devices, whereby the identified network address can be thereafter transmitted with the read tag identification in said step of transmitting the read tag identification and a network address to be assigned to the HVAC network device to the network controller.

3. The process of claim 1 wherein said steps of reading a tag identification transmitted by an RFID tag associated with one of the HVAC network devices and transmitting the read tag identification and a network address to be assigned to the HVAC network device to the network controller are performed by the same device.

4. The process of claim 3 wherein the device is portable so as to be capable of moving from the location of one HVAC network device having an RFID tag associated therewith to another such HVAC network device.

5. The process of claim 4 wherein the portable device is a handheld device having an infrared receiver for reading a tag identification transmitted by an RFID tag associated with one of the HVAC network devices and an infrared transmitter for transmitting the read tag identification and a network address to be assigned to the HVAC network device to the network controller.

6. The process of claim 1 wherein said step of storing tag identifications transmitted by the RFID tags within one or more HVAC network devices comprises the steps of;

reading a tag identification transmitted by an RFID tag associated with a particular HVAC network device; and

storing the read tag identification in a memory within the particular HVAC network device.

7. The process of claim 6 wherein said step of accepting the assigned network address at the HVAC network device having a stored tag identification corresponding to the tag identification in the message from the network controller comprises the steps of:

noting when the tag identification stored in the memory within an HVAC network device is the same as the tag identification in the message from the network controller; and

storing the assigned network address in the message from the network controller in the memory within the particular HVAC network device having a stored tag identification corresponding to the tag identification in the message from the network controller.

8. The process of claim 7 further comprising the steps of:

transmitting a message to the network controller from the particular HVAC network device having a stored tag identification corresponding to the tag identification in the message from the network controller that the assigned network address has been stored in the memory of the particular HVAC network device.

9. The process of claim 8 wherein said steps of reading a tag identification transmitted by an RFID tag associated with one of the HVAC network devices and transmitting the read tag identification and a network address to be assigned to the HVAC network device to the network controller are performed by the same device.

10. The process of claim 9 further comprising the step of:

transmitting a message from the network controller to the device performing the steps of reading a tag identification transmitted by an RFID tag associated with one of the HVAC network devices and transmitting the read tag identification and a network address to be assigned to the HVAC network device to the network controller, the message from the network controller indicating that the assigned network address has been stored in the memory of the particular HVAC network device, the message being sent in response to receipt of the message from the particular HVAC network device that the assigned network address has been stored in the memory of the particular HVAC network device.

11. A system for assigning network addresses to HVAC network devices connected to a communication bus, said system comprising:

at least one HVAC network device having a radio frequency identification (RFID) tag associated therewith, said HVAC network device having a stored tag identification corresponding to the associated RFID tag;

a network controller for communicating with the HVAC network devices; and

a portable device for reading the tag identification transmitted by the RFID tag associated with the at least one HVAC network device, said portable device being operative to transmit the read tag identification and a network address to be assigned to the HVAC network device to the network controller whereby the network controller is thereafter operative to transmit a message containing the read tag identification and assigned network address to at least one HVAC network device.

12. The system of claim 11 wherein the at least one HVAC network device includes a memory within the HVAC network device for storing the tag identification transmitted by the RFID tag associated with the at least one HVAC network device, said HVAC network device furthermore including a processor for storing the assigned network address in the message from the network controller when the tag identification in the message from the network controller corresponds with the tag identification stored in the memory within the network device.

13. The system of claim 12 wherein the portable device is a handheld device having an infrared receiver for reading a tag identification transmitted by an RFID tag associated with one of the HVAC network devices and an infrared transmitter for transmitting the read tag identification and a network address to be assigned to the HVAC network device to the network controller.

14. The system of claim 12 wherein the processor within the HVAC network device is operative to transmit a message to the network controller that the assigned network address has been successfully assigned when the tag identification in the message from the network controller corresponds with the tag identification stored in the memory.

15. The system of claim 14 wherein the network controller includes a processor that is operative to send a signal to the portable device, the signal containing a message that the assigned network address has been successfully assigned, the signal being sent upon receipt of the message from the HVAC network device that the assigned network address has been successfully assigned.