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NI 9514 Operating Instructions and Specifications
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© National Instruments
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27
High, V
IH
.............................. 2.0 V min
Low, V
IL
............................... 0.8 V max
Digital logic levels, differential (Phase(+) - Phase(-))
Input high range ................... 300 mV to 5 V
Input low range .................... -300 mV to -5 V
Common-mode voltage
1
...... -7 to 12 V
Input current at 5 V .................... ±1 mA
Min pulse width
2
Differential ........................... 100 ns
Single-ended ........................ 400 ns
Max count rate
Differential ........................... 20 × 10
6
counts/sec
Single-ended ........................ 5 × 10
6
counts/sec
Forward, reverse, and home inputs
Input type.................................... Software-selectable: sinking
or sourcing
1
Common-mode voltage is the average of Phase+ and Phase-.
2
Assumes the minimum filter setting. Refer to the
SoftMotion Module
book of the
LabVIEW Help
for more information about filter options.
Summary of Contents for NI 9514
Page 1: ...NI 9514...