Isolated Analog Input Modules Operating Instructions and Specifications

NI 9229E/9239E 14 ni.com
Data rate range ( f
s
) using external master timebase
Minimum.................................... 390.625 S/s
Maximum ................................... 51.2 kS/s
Data rates
1
( f
s
) .................................. , n = 1, 2, …, 31
Input voltage ranges (AI+ to AI–)
Overvoltage protection .....................±100 V
Input coupling................................... DC
Input impedance (AI+ to AI–) .......... 1 MΩ
1
The data rate must remain within the appropriate data rate range. Refer to the
Understanding NI 9229E /9239E Data Rates section for more information.
Module Nominal (V) Typical (V) Minimum (V)
NI 9229E ±60 ±62.64 ±61.5
NI 9239E ±10 ±10.52 ±10.3
f
M
256÷
n
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