Rockwell Automation 1746-XXXX SLC 500 4-Channel Analog I/O Modules User Manual - Manual (Page 94)

Publication 1746-UM005B-EN-P - June 2004
A-4 Specifications
Voltage Input
Specifications for NI4,
NIO4I, and NIO4V
Specification 1746-NI4 1746-NI04I, -NI04V
Input Range -10 to +10V dc - 1 LSB
Voltage Input Coding (-10 to +10V dc - 1 LSB) -32,768 to +32,767
Input Impedance
760K ohms
(1) 1M ohms
Resolution 305.176 µV per LSB
Full Scale 10V dc
Overall Accuracy at +25° C (77° F) (max.) ±0.284% of full scale
Overall Accuracy at 0° to +60° C
(32° to 140° F) (max.)
±0.504% of full scale
(2)
Overall Accuracy Drift (max.) ±63 ppm/° C of full scale
Gain Error at +25° C (77° F) (max.) ±0.263%
Gain Error at 0° to +60° C
(32° to 140° F) (max.)
±0.461%
Gain Error Drift (max.) ±57 ppm/° C
Offset Error at +25° C (77° F) (max.) ±7 LSB
Offset Error at 0° to +60° C
(32° to 140° F) (max.)
±14 LSB
Offset Error Drift (max.) ±0.20 LSB/° C
Overvoltage Protection (max. across IN+ to IN-
terminals) either 220V ac RMS continuously
or 220V dc continuously
(1) The value listed is for Series B and greater. For Series A, the input impedance is 1M ohm.
(2) Refer to Appendix C for a method to improve accuracy over temperature.