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NI 9512 Operating Instructions and Specifications
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© National Instruments
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27
Specifications
The following specifications are typical for the range -40 to 70 °C
unless otherwise noted. All voltages are relative to COM unless
otherwise noted.
Stepper Performance
Stepper accuracy............................... 1 full, half, or microstep
Interpolation/spline rate.................... 20 kHz max
Motion Command Signals
Stepper outputs
Output type................................. Software-selectable:
single-ended or differential
Digital logic levels, single-ended
High, VOH ................................. 5.25 V max
Sourcing 20 mA ................... 3.5 V min
Sourcing 12 mA ................... 3.7 V min
Sourcing 4 mA ..................... 3.9 V min
Low, VOL
Sinking 20 mA ..................... 0.9 V max