user manual

Appendix A Specifications
NI 7350 User Manual A-4 ni.com
Min pulse width...............................Programmable; depends
on digital filter settings
Voltage range...................................0 to 5 V
Input low voltage......................0.8 V
Input high voltage.....................2 V
Built-in pull-up resistor ...................3.3 kΩ to +5 V
Min index pulse width .....................Programmable; depends
on digital filter settings
Forward, reverse, and home inputs
Number of inputs.............................3 per axis, up to 24
Voltage range...................................0 to 5 V
Input low voltage......................0.8 V
Input high voltage.....................2 V
Built-in pull-up resistor ...................3.3 kΩ to +5 V
Polarity ............................................Programmable, active high
or active low
Min pulse width
Limit filters enabled .................1 ms
Limit filters disabled ................50 ns
Control.............................................Individual enable/disable,
stop on input, prevent motion,
Find Reference
Trigger (position capture) inputs
Number of inputs.............................Up to 8 (Encoders 1 through 8)
Voltage range...................................0 to 5 V
Input low voltage......................0.8 V
Input high voltage.....................2 V
Built-in pull-up resistor ...................3.3 kΩ to +5 V
Polarity ............................................Programmable, active high
or active low
Min pulse width...............................100 ns
Max capture latency ........................100 ns
Capture accuracy .............................1 count
Max capture rate (non-buffered) .....150 Hz