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Conveying system

  • US 8,412,373 B2
  • Filed: 01/17/2012
  • Issued: 04/02/2013
  • Est. Priority Date: 08/25/2009
  • Status: Active Grant
First Claim
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1. A conveying system, comprising:

  • control devices for controlling operation of the conveying system; and

    a central control, wherein the control devices are located outside of the central control;

    wherein the central control is arranged to select from a plurality of the different operating modes of the conveying system an operating mode to be used at any given time,wherein the central control is connected to the control devices via a communications channel for indicating the selected operating mode to the control devices, and at least a portion of the communications channel located between the central control and the control devices is external to the central control, andwherein at least one of the control devices is arranged to switch from one operational state to another when the operating mode of the conveying system indicated by the central control changes.

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