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A.7.1 Auxiliary Supply
Feature Details
Auxiliary power supply DC source only
Auxiliary supply input voltage 24 V +15%
Auxiliary supply input power 20 W
The Tuba CANNOT operate without a 24 Volt Auxiliary Power Supply
Be sure to maintain power within the 24 V +
15% range as higher voltages will
damage the fan.
A.8 Control Specifications
A.8.1 Current Loop
Feature Details
Controller type Vector, digital
Compensation for bus voltage
variations
“On-the-fly” gain scheduling
Motor types
AC brushless (sinusoidal)
DC brushless (trapezoidal)
DC brush
Linear motors
Moving coils
Current control
Fully digital
Sinusoidal with vector control
Programmable PI control filter based on a
pair of PI controls of AC current signals and
constant power at high speed
Current loop bandwidth < 2.5 kHz
Current sampling time Programmable 70 - 100 µsec
Current sampling rate Up to 16 kHz; default 11 kHz
Tuba Installation Guide Technical Specifications
MAN-TUBIG (Ver. 1.3)
A-7