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pmac current loop


xiaomupeng2009
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Hi xiaomupeng2009,

 

When Direct PWM control is used, the amplifier becomes a power block with current sensors. The power block is commanded by 3 PWM signals from PMAC and the ADCs are read back to PMAC for closing the current loop. However amplifier logic circuitry can use the ADC data and other sensors for protecting the amplifier/motor from damage in case of any errors.

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