User Manual
26 SLC™ 500 4-Channel Analog I/O Modules
Publication 1746-IN008C-EN-P - May 2004
Current Output Specifications for NIO4I, NO4I, and FIO4I
Description Specification
NIO4I, NO4I FIO4I
Converter Resolution 14 bit
Location of LSB in I/O image word 0000 0000 0000 01XX
Non–linearity 0.05%
Conversion Method R-2R Ladder
Step Response 2.5 ms (at 95%)
Load Range 0 to 500 Ohms
Maximum Load Reactance 100 µH
Current Output Coding (0 to +21 mA - 1 LSB) 0 to +32764
Output Range (Normal) 0 to +20 mA 0 to +20 mA -1 LSB
Overrange Capability 5% (0 to +21 mA - 1 LSB) 5% (0 to +20 mA - 1 LSB)
Resolution 2.56348 µA per LSB
Full Scale 21 mA
Overall Accuracy at +25° C (77° F) (max.) ±0.298% of full scale
Overall Accuracy at 0° to +60° C
(32° to 140° F) (max.)
±0.541% of full scale
Overall Accuracy Drift (max.) ±70ppm/° C of full scale
Gain Error at +25° C (77° F) (max.) ±0.298%
Gain Error at 0° to +60° C (32° to 140° F) (max.) ±0.516%
Gain Error Drift (max.) ±62ppm/° C
Offset Error at +25° C (77° F) (max.) ±10 LSB
Offset Error at 0° to +60° C (32° to 140° F) (max.) ±12 LSB
Offset Error Drift (max.) ±0.06 LSB/° C
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