© National Instruments Corporation A-1 NI 7350 User Manual
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Specifications

This appendix lists the hardware and software performance specifications
for the PXI/PCI-7350 controller. Hardware specifications are typical at
25 °C, unless otherwise stated.

Servo Performance

PID update rate range.............................62.5µs/sample to 5 ms/sample
Max PID update rate....................... 62.5 µs per 2 axes
8-axis PID update rate.....................250 µs total
Trajectory update rate............................ Same as PID update rate
Multi-axis synchronization.................... <1 update sample
Position accuracy
Encoder feedback............................±1 quadrature count
Analog feedback............................. ±1 LSB
Double-buffered trajectory parameters
Absolute position range.................. ±231 counts
Max relative move size................... ±231 counts
Velocity range.................................1 to ±20,000,000 counts/s
RPM range1.....................................±1,200,000 revolutions/min
Acceleration/deceleration2..............244 to 512,000,000 counts/s2
at a PID update rate of 250µs
RPS/s range1...................................±256,000 revolutions/s2
S-Curve time range......................... 1 to 32,767 samples
Following error range..................... 0 to 32,767 counts
Gear ratio........................................ ±32,767:1 to ±1:32,767
1 Assumes a 2,000-count encoder.
2 Refer to the NI-Motion User Manual for more information.