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Unread 06-29-2006, 11:53 AM   #2
Brians256
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Join Date: Oct 2001
Location: Klamath Falls, OR
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Default Re: Koolance PMP-400 pump (DDC+PLUS) with BONUS

How does that speed control work? Does it supply continuous voltage to the motor controller circuit and vary the current and timing for the coils? That'd be much more flexible and quiet than chopping the voltage supplied for the whole DDC (PWM) or lowering voltage until you get brownout conditions for the onboard motor controller.
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