![background image](http://html1.mh-extra.com/html/national-instruments/7340/7340_user-manual_709123047.webp)
Appendix A
Specifications
A-4
ni.com
Minimum pulse width......................1 ms with filter enabled;
60 ns without filter enabled
Control.............................................Individual enable/disable, stop on
input, prevent motion, Find Home
Trigger inputs
Number of inputs.............................4 (Encoders 1 through 4)
Voltage range...................................0 to 5 V
Input low voltage......................0.8 V
Input high voltage.....................2 V
Polarity ............................................Programmable, active-high
or active-low
Minimum pulse width......................100 ns
Capture latency................................<100 ns
Capture accuracy .............................1 count
Maximum repetitive capture rate.....100 Hz
Breakpoint outputs
Number of outputs...........................4 (Encoders 1 through 4)
Voltage range...................................0 to 5 V
Output low voltage ...................<0.6 V at 64 mA sink
Output high voltage ..................Open collector with built-in
3.3 k
Ω
pull-up to +5 V
Polarity ............................................Programmable, active-high
or active-low
Maximum repetitive
breakpoint rate .................................100 Hz
Inhibit/enable output
Number of outputs...........................4 (1 per-axis)
Voltage range...................................0 to 5 V
Output low voltage ...................<0.6 V at 64 mA sink
Output high voltage ..................Open collector with built-in
3.3 k
Ω
pull-up to +5 V
Polarity ............................................Programmable, active-high
or active-low
Control.............................................MustOn/MustOff or
automatic when axis off