Publication 1769-UM002B-EN-P - July 2005
Specifications A-3
1769-IF4 Input
Specifications
Table A.2 1769-IF4 Specifications
Specification 1769-IF4 (Series B and later)
Analog Normal Operating
Ranges
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
(1)
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 to 21 mA, 3.2 to 21 mA
Number of Inputs 4 differential or single-ended
Bus Current Draw (max.) 120 mA at 5V dc
60 mA at 24V dc
(7)
Heat Dissipation 2.63 Total Watts (The Watts per point, plus the minimum
Watts, with all points energized.)
Converter Type Delta Sigma
Response Speed per
Channel
Input filter and configuration dependent. See “Channel
Step Response” on page 3-6.
Resolution (max.) 14 bits (unipolar)
14 bits plus sign (bipolar)
See “Effective Resolution” on page 3-13.
Rated Working Voltage
(2)
30V ac/30V dc
Common Mode Voltage
Range
(3)
±10V maximum per channel
Common Mode Rejection greater than 60 dB at 50 and 60 Hz with the 50 or 60 Hz
filter selected, respectively
Normal Mode Rejection
Ratio
-50 dB at 50/60 Hz with the 50 or 60 Hz filter selected,
respectively
Input Impedance Voltage Terminal: 220K Ω (typical)
Current Terminal: 250 Ω
Overall Accuracy
(4)
Voltage Terminal: ±0.2% full scale at 25°C
Current Terminal: ±0.35% full scale at 25°C
Accuracy Drift with
Temperature
Voltage Terminal: ±0.003% per °C
Current Terminal: ±0.0045% per °C
Calibration The module performs autocalibration on channel enable
and on configuration change between channels.
Non-linearity (in percent full
scale)
±0.03%
Repeatability
(5)
±0.03%
Module Error over Full
Temperature Range
(0 to +60°C [+32°F to
+140°F])
Voltage: ±0.3%
Current: ±0.5%
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