Rockwell Automation 1746-NO8V SLC 500 8-Point Analog Output Module - Manual (Page 17)

SLC 500 8-Point Analog Output Module 17
Publication 1746-IN026A-EN-P - July 2003
Table 8 Analog Output Specifications
Specification 1746-NO8I 1746-NO8V
Number of Outputs 8 8
Output Type Current Voltage
Output Range 0 to 21.5 mA ±10.25V dc
Output Coding (proportional
scaling) 0 to 32,767 -32,768 to +32,767
Output D/A Converter Resolution 16-bit
366 nA/count 16-bit
320 µV/count
Location of LSB in I/O Image Word 0000 0000 0000 0001 (for 1746-NO4 compatible data format; does not
apply to other data formats)
Non-Linearity 0.06% of full scale
DAC Conversion Method R-2R Ladder Network
Output Step Response Time 1 ms (0 to 95% of full scale)
Channel Update Time (typical) Class 1: 5 ms to update all 8 channels
Class 3: 10 ms to update all 8 channels
Load Range 0 to 500 ohm 1K ohm and greater
Load Current n/a 10 mA (maximum)
Load Reactance 1 µH (maximum) 1 µF (maximum)
Output Impedance Greater than 1M ohm Less than 1.0 ohm
Over-Range Capability 7.5% (21.5mA) 2.5% (±10.25V)
Overall Accuracy 0.1% of full scale at 25°C
0.2% of full scale at 60°C 0.1% of full scale at 25°C
0.2% of full scale at 60°C
Overall Accuracy Drift ±33 ppm/°C of full scale
(maximum) ±33 ppm/°C of full scale
(maximum)
Gain Error 0.08% of full scale at 25°C
0.15% of full scale at 60°C 0.08% of full scale at 25°C
0.15% of full scale at 60°C
Gain Error Drift ±25 ppm/°C of full scale
(maximum) ±25 ppm/°C of full scale
(maximum)
Offset Error ±12 LSB at 25°C (typical)
±29 LSB at 60°C (typical) ±13 LSB at 25°C (typical)
±32 LSB at 60°C (typical)
Offset Error Drift ±0.48 LSB/°C (maximum) ±0.53 LSB/°C (maximum)