User Manual Instruction Manual

Publication 1746-UM009B-EN-P - September 2007
80 Module Specifications
Current Output Specifications for 1746-FIO4I
Attribute Value
Converter Resolution 14 bit
Location of LSB in I/O Image Word 0000 0000 0000 01XX
Non-linearity 0.05% of full scale (max)
Conversion Method R–2R ladder
Step Response 2.5 ms (at 95%)
Load Range
0 … 500
Ω
Load Reactance 100 µH (max)
Current Output Coding (0…+21 mA – 1 LSB) 0 …32,764
Output Range 0…20 mA –1 LSB (normal)
Overrange Capability 5% (0…21 mA – 1 LSB)
Resolution 2.56348 mA per LSB
Full Scale 21 mA
Overall Accuracy at +25 °C (77 °F) ±0.298% of full scale
Overall Accuracy at 0…60 °C (32…140 °F) ±0.541% of full scale
Overall Accuracy Drift ±70 ppm/°C of full scale (max)
Gain Error at 25 °C (77 °F) ±0.298% of full scale
Gain Error at 0…60 °C (32…140 °F) ±0.516% of full scale
Gain Error Drift ±62 ppm/°C (max)
Offset Error at 25 °C (77 °F) ±10 LSB (typical)
Offset Error at 0…60 °C (32…140 °F) ±12 LSB
Offset Error Drift ±0.06 LSB/°C (max)