Specifications; Input Characteristics - National Instruments SCC-FV01 User Manual

Specifications

Input Characteristics

Transfer Characteristics
Recommended; minimum ±100 mV.
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These ratings are typical at 25 °C unless otherwise stated.
Number of input channels ...................... 2 RSE
Input signal amplitude............................ ±200 mV
Input coupling ........................................ DC
Minimum input frequency ..................... 0 Hz
Maximum input frequency..................... 100 Hz
Minimum input pulse width
(5 V pulse train) ..................................... 1.5 µs
Input impedance
Signal ≥ threshold (0 V).................. 400 kΩ
Signal < threshold (0 V).................. 10 MΩ
Threshold ............................................... 0 V
Hysteresis ............................................... 200 mV
Output response time following
a full-scale input change ........................ 80 ms at 63%
Output offset .......................................... 5 mV max
Output offset temperature coefficient .... 10 ppm/°C
Gain error ............................................... ±0.1% max
Gain error temperature coefficient ......... 100 ppm/°C
Nonlinearity ........................................... 0.015% full-scale
(zero crossing)
220 ms at 90%
360 ms at 99%
5 SCC-FV01 Frequency Input Module User Guide
to ±10 V
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