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Power module has information transmission stage for receiving decision value from external unit, outputting to decision value storage device, and outputting stored decision value to external unit
Power module has information transmission stage for receiving decision value from external unit, outputting to decision value storage device, and outputting stored decision value to external unit
The power module has power elements (4) for driving a motor (1), a self-protection arrangement (5) for protecting the power module (2) from a number of predetermined abnormal events, a power element drive arrangement (3) for driving and controlling the power elements on the basis of a drive signal from an external unit and the output of the self-protection arrangement and an information transmission arrangement. The information transmission arrangement (71) receives the decision value set by the external unit, outputs it to a decision value storage device (6) and outputs the decision value in the storage device to the external unit.
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