Communication device and process

• US 6,310,560 B2
• Filed: 07/24/1998
• Issued: 10/30/2001
• Est. Priority Date: 08/20/1997
• Status: Expired due to Term

• Current Assignee: Square D Company (Schneider Electric SE)
• Original Assignee: Schneider Electric SA (Schneider Electric SE)
• Inventors: Weynachter, Luc
• Primary Examiner(s): EDWARDS JR, TIMOTHY
• Application Number:
  US09/121,687
• Publication Number:
  US 20010011956A1
• Time in Patent Office: 1,194 Days
• Field of Search: 340/870.02, 340/870.11, 340/825.06, 340/825.15, 340/825.16, 340/870.07, 361/93.2
• US Class Current: 340/870.11
• CPC Class Codes: H04M 11/002 with telemetering systems telemetering in general G08C

Abstract

The communication device comprises a central unit and at least one station connected by a network. The station comprises a checking circuit and a storage circuit connected to the checking circuit. The storage circuit stores data representative of information which the station has to transmit to the central unit and transmission condition parameters associated to said information. In a parameter setting phase, the station receives the data and parameters to be stored. Then, in an operating phase, the checking circuit transmits information according to the stored transmission condition parameters.

Claims

1. A communication device, comprising

(a) a central unit;

(b) at least one station connected with said central unit, said station including

(1) means for storing data received from said central unit representative of a type of information to be transmitted, said data permitting selection of information to be transmitted;

(2) means for storing parameters received from said central unit representative of conditions for transmitting information from said station to said central unit, said parameters relating to said data; and

(3) checking means for transmitting selected information in accordance with said parameters; and

(c) an electronic trip device connected with said at least one station for receiving selected information transmitted therefrom, said electronic trip device supplying information representative of electrical quantities.

2. The communication device according to claim 1, wherein at least one of the parameters representative of transmission conditions is representative of transmission of information on a request from the central unit.

3. The communication device according to claim 1, wherein at least one of the parameters representative of transmission conditions is representative of transmission of information according to a preset variation of an item of information.

4. The communication device according to claim 1, wherein at least one of the parameters representative of transmission conditions is representative of transmission of information at preset time intervals.

5. The communication device according to claim 1, wherein at least one of the parameters representative of transmission conditions is representative of transmission of information on an event.

6. The communication device according to claim 1, wherein the checking means are connected to a device for measuring electrical quantities.

7. The communication device according to claim 1, wherein at least one station comprises storage means for storing information temporarily.

8. The communication device according to claim 1, wherein said electronic trip device supplies information representing the status thereof.

9. A process for communicating between a central unit, a station connected with the central unit, and an electronic trip device connected with the station, comprising

(a) indicating from the central unit to the station data representative of a type of information to be transmitted to the central unit and parameters representative of conditions for transmitting information from the station to the central unit;

(b) storing data representative of a type of information to be transmitted, the data permitting selection of information to be transmitted;

(c) storing parameters representative of conditions for transmitting information from the station to the central unit, the parameters relating to the data; and

(d) checking the parameters and transmitting selected information in accordance with said parameters representative of conditions for transmitting information.

10. The communication process according to claim 9, wherein at least one transmission condition parameter is representative of transmission of information on a request from the central unit.

11. The communication process according to claim 9, wherein at least one transmission condition parameter is representative of transmission of information according to a variation of the value of an item of information.

12. The communication process according to claim 9, wherein at least one transmission condition parameter is representative of transmission of information at preset time intervals.

13. The communication process according to claim 9, wherein said parameters are transmitted by the central unit to the station.