User Manual
SLC™ 500 4-Channel Analog I/O Modules 25
Publication 1746-IN008C-EN-P - May 2004
Voltage Input Specifications for NI4, NIO4I, NIO4V, FIO4I, and FIO4V
Description Specification
NI4 NIO4I, NIO4V FIO4I, FIO4V
Input Range -10 to +10V dc - 1 LSB 0 to +10V dc
Voltage Input Coding (-10 to +10V dc - 1
LSB)
-32,768 to +32,767 0 to +4095
Input Impedance
760K ohms
(1)
(1) The value listed is for Series B and greater. For series A, the input impedance is 1M ohm.
1M ohms
Resolution 305.176 µV per LSB 2.4414 mV per LSB
Full Scale 10V dc
Overall Accuracy at +25° C (77° F) (max.) ±0.284% of full scale ±0.440% of full scale
Overall Accuracy at 0° to +60° C
(32° to 140° F) (max.)
±0.504% of full scale
(2)
(2) For improved accuracy over temperature, see SLC 500 Analog I/O Modules User Manual, publication 1746-UM005.
±0.750% of full scale
Overall Accuracy Drift (max.) ±63ppm/° C of full scale ±88 ppm/°C (max)
Gain Error at +25° C (77° F) (max.) ±0.263% ±0.323% of full scale
Gain Error at 0° to +60° C
(32° to 140° F) (max.)
±0.461% ±0.530% of full scale
Gain Error Drift (max.) ±57ppm/° C ±79 ppm/°C (max)
Offset Error at +25° C (77° F) (max.) ±7 LSB ±2 LSB/°C (max)
Offset Error at 0° to +60° C
(32° to 140° F) (max.)
±14 LSB ±4 LSB (max)
Offset Error Drift (max.) ±0.20 LSB/° C
±0.14 LSB/°C (max)
(3)
(3) See the SLC 500 Fast Analog I/O Modules User Manual, publication 1746-6.9.
Overvoltage Protection (max. across IN+
to IN- terminals)
either 220V ac RMS continuously
or 220V dc continuously
220V ac RMS
continuously
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