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CONTROLLER NETWORK AND METHOD OF CONTROLLING A CONTROLLER NETWORK

  • US 20120041572A1
  • Filed: 03/03/2010
  • Published: 02/16/2012
  • Est. Priority Date: 03/05/2009
  • Status: Active Grant
First Claim
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1. A method of controlling a controller network, the controller network comprising a plurality of devices, a controller for outputting control data to the devices, and a plurality of interface modules, each interface module being arranged to connect a respective device to the controller via the network, the method comprising:

  • outputting, from the controller, a control message addressed to a first device, the control message corresponding to an action to be performed by the first device;

    receiving, at a first interface module connecting the first device to the network, the control message;

    storing the control message in a memory of the first interface module;

    broadcasting, from the controller, a trigger message addressed to at least the first device;

    receiving, at the first interface module, the trigger message; and

    passing, in response to the trigger message, the control message to the first device such that the action corresponding to the control message is performed.

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