Magnet controller for controlling a lifting magnet
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United States of America Patent
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Jul 23, 2013
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N/A
app pub date -
Feb 5, 2008
filing date -
Feb 13, 2007
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Abstract
A method for operating an electric crane, comprises the steps of activating a magnet controller to cause a current to flow through a magnet for creating a magnetic field about the magnet for securing a load to the magnet, receiving a feedback input value at a logic controller from a device associated with the electric crane, in response to the received feedback input value at the logic controller, receiving a command value at the magnet controller from the logic controller, and in response to the received command value at the magnet controller, modifying the current flow from the magnet controller to the magnet to change the magnetic field about the magnet. A system is also disclosed.
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