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Function Description Savina Version 2.0
The Motor Commutation PCB controls the motor of the blower. The entire control functionality is
located in a self-contained housing. The supply voltage is +48 V, and is delivered by the po
pack. The +48 V on the Motor Commutation PCB are protected with a fuse (6.3AT).
The input voltage range of the Motor Commutation PCB is 12 to 52.5 V. The rotation speed
by the Control PCB. The control voltage for the rotation speed is 0 to +4.75 V, corresponding
rotation speed of 0 to 12.500 rpm. The rotation speed range is 300 to 12.500 rpm.
The Motor Commutation PCB delivers the
”
actual rotation speed signal
”
to the Control PCB
"actual value signal" is 6 pulses per rotation. In the event of discrepancies in the rotation speed the
Control PCB adjusts the speed according to the deviation.