National Instruments Motion Control 7344, Руководство пользователя

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Appendix A Specifications
7344 Hardware User Manual A-4 www.natinst.com
Forward, reverse, and home inputs
Number of inputs.............................12 (3 per axis)
Voltage range...................................0 to 12 V
Input low voltage......................0.8 V
Input high voltage.....................2 V
Polarity ............................................Programmable, active-high or
active-low
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 12 V
Input low voltage......................0.8 V
Input high voltage.....................2 V
Polarity ............................................Programmable, active-high or
active-low
Min pulse width...............................83 ns
Capture latency................................<100 ns
Capture accuracy .............................1 count
Max repetitive capture rate ..............1 kHz
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