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System controller for controlling a control network having an open communication protocol via proprietary communication

  • US 7,155,499 B2
  • Filed: 09/28/2001
  • Issued: 12/26/2006
  • Est. Priority Date: 09/28/2001
  • Status: Active Grant
First Claim
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1. A control network comprising a system controller and a plurality of device controllers that communicate through the network via a network specific communication protocol for controlling a plurality of network devices, said system control network comprising:

  • an application controller, provided in said system controller, connected to the network for selectively converting a plurality of system points corresponding to a plurality of system variables relating to the network into said corresponding system variables, and said corresponding system variables into said system points; and

    ,at least one client connected to the network and in communication with said application controller, said client selectively sending a command and requesting a report relating to a select system point;

    wherein said application controller sends a command relating to a system variable corresponding to said select system point to the network responsive to said command from said client, and receives a report relating to said system variable corresponding to said select system point from the network, converts said received report to said report relating to said select system point and sends said converted report to said client responsive to said report request from said client;

    said communication between said at least one client and said application controller is via a system variable proprietary protocol of said system controller embedded in the communication protocol of the network, and wherein one or more of said device controllers have a server incorporated therein, said server from said one or more device controllers communicates with said application controller using a system point proprietary protocol also embedded in the communication protocol of the network.

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