Rockwell Automation 1769-OF2 Compact I/O Analog Modules - Manual (Page 137)

Publication 1769-UM002B-EN-P - July 2005
Specifications A-7
1769-OF2 Output
Specifications Table A.4 1769-OF2 Specifications
Specification 1769-OF2 (Series B and later)
Analog Ranges
(1) Voltage: ±10V dc, 0 to 10V dc, 0 to 5V dc, 1 to 5V dc
Current: 0 to 20 mA, 4 to 20 mA
Full Scale Analog Ranges Voltage: ±10.5V dc, -0.5 to 10.5V dc, -0.5 to 5.25V dc,
0.5 to 5.25V dc
Current: 0 - 21 mA, 3.2 - 21 mA
Number of Outputs 2 single-ended
Bus Current Draw (max.) 120 mA at 5V dc
120 mA at 24V dc
(7)
Heat Dissipation 2.52 Total Watts (The Watts per point, plus the
minimum Watts, with all points energized.)
Converter Type Sigma-Delta
Analog Data Format 14-bit, two’s complement. The Most Significant Bit is
the sign bit.
Digital Resolution Across Full
Range 14 bits (unipolar)
14 bits plus sign (bipolar)
See “1769-OF2 Module Resolution” on page 4-15.
Conversion Rate (all channels)
max. 2.5 ms
Step Response to 63%
(2) 2.9 ms
Current Load on Voltage Output 10 mA max.
Resistive Load on Current
Output 0 to 500
Ω (includes wire resistance)
Load Range on Voltage Output >1 k
Ω at 10V dc
Max. Inductive Load
(Current Outputs) 0.1 mH
Max. Capacitive Load
(Voltage Outputs) 1 µF
Overall Accuracy
(3) Voltage Terminal: ±0.5% full scale at 25°C
Current Terminal: ±0.35% full scale at 25°C
Accuracy Drift with Temperature Voltage Terminal: ±0.0086% FS per °C
Current Terminal: ±0.0058% FS per °C
Output Ripple;
(4)
range 0 - 50 kHz
(referred to output range)
±0.05%
Calibration None required (guaranteed by hardware design).
Non-linearity
(in percent full scale) ±0.05%
Repeatability
(5)
(in percent full scale)
±0.05%