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NI 9502 Operating Instructions and Specifications
Modulation
Field oriented control........... Center-aligned PWM with
space vector modulation
Trapezoidal........................... Left-aligned PWM
Minimum inductance.................. 250 µH
PWM ripple frequency ............... 20 kHz
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Current loop
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ADC resolution .......................... 12 bits
Current range.............................. ±8 A
Sampling rate.............................. 10 kHz (100 µs)
Bandwidth .................................. 2.5 kHz with specified
minimum inductance,
varies with tuning and load
Hall inputs
Digital logic levels
Voltage ................................. -0.25 to 5.25 V
High, VIH ............................ 2.4 V min
Low, VIL.............................. 0.8 V max
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Specifications based on the installed examples.