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Motion monitoring

  • US 7,911,333 B2
  • Filed: 12/01/2006
  • Issued: 03/22/2011
  • Est. Priority Date: 12/16/2005
  • Status: Active Grant
First Claim
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1. A method for motion monitoring of a machine having a sensor assigned to a power unit, comprising:

  • transmitting a sensor signal from the sensor to a failsafe controller, wherein the failsafe controller incorporates redundantly configured monitoring devices for evaluating the sensor signal, wherein each monitoring device monitors the sensor signal independently of the respective other monitoring device and is capable to generate a control signal for activating a first or second shutdown path, whereinthe first shutdown path leads via a motor module and the second shutdown path leads via a motor controller as different components of the drive device andthe power unit is influenced by the motor module and/or the motor controller in accordance with the control signal received via the first or second shutdown path, andtransmitting the sensor signal to a drive device which is implemented at least partially in a failsafe manner.

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