Motion Monitoring
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Accused Products
Abstract
There is described a method for motion monitoring of a machine, comprising a sensor, wherein a sensor signal is transmitted from the sensor to a controller and/or to a drive device, a failsafe controller or drive device being employed as controller or drive device. The controller or drive device comprises three independent monitoring devices in which the sensor signal is formed from a first and a second redundant actual position value.
25 Citations
24 Claims
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1-12. -12. (canceled)
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13. A method for motion monitoring of a machine having a sensor assigned to a power unit, comprising:
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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, wherein the 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 and the 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, and transmitting the sensor signal to a drive device which is implemented at least partially in a failsafe manner. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20, 21)
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22. An apparatus for motion monitoring, comprising:
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a motor; a single sensor for the motor; a drive device for the motor; a failsafe controller assigned to the drive device, wherein a sensor signal generated by the sensor is processed at least by the failsafe controller which for this purpose has redundantly configured monitoring devices and wherein a first or second shutdown path can be activated by the redundantly configured monitoring devices. - View Dependent Claims (23)
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24. A computer readable medium encoded with a computer program, wherein the computer program when executed carries out the steps comprising:
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transmitting a sensor signal from a 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, wherein the 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 and the 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, and transmitting the sensor signal to a drive device which is implemented at least partially in a failsafe manner.
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Specification