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NI 9514 Operating Instructions and Specifications
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© National Instruments
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29
Position capture input
Digital logic levels
Voltage ................................. -0.25 to 5.25 V
High, V
IH
.............................. 2.0 V min
Low, V
IL
............................... 0.8 V max
Input current
(0 V
≤
Vin
≤
4.5 V) .................... ±2
m
A max
Min pulse width
1
........................ 100 ns
Max capture latency ................... 200 ns
Capture accuracy ........................ ±1 count
Active edge................................. Software-selectable: rising
edge or falling edge
Position compare outputs
High, V
OH
................................... 5.25 V max
Sourcing 12 mA ................... 3.7 V min
Sourcing 4 mA ..................... 3.9 V min
Low, VOL
Sinking 12 mA ..................... 0.7 V max
Sinking 4 mA ....................... 0.5 V max
Summary of Contents for NI 9514
Page 1: ...NI 9514...