52 Rockwell Automation Publication 2080-UM003A-EN-E - March 2013
Appendix A Specifications
Specialty Expansion I/O
Absolute accuracy ±0.10% Full Scale @ 25 ° C
Accuracy drift with temp Voltage terminal – 0.00428 % Full Scale/° C
Current terminal – 0.00407 % Full Scale/° C
Calibration required Factory calibrated. No customer calibration supported.
Overload, max. 30V continuous or 32 mA continuous, one channel at a time.
Channel diagnostics Over and under range or open circuit condition by bit reporting
Output Specifications – 2085-OF4
Attribute 2085-OF4
Number of outputs 4
Resolution
Voltage
Current
12 bits unipolar; 11 bits plus sign bipolar
2.56 mV/cnt unipolar; 5.13 mV/cnt bipolar
5.13 μA/cnt
Data format Left justified, 16 bit 2s complement
Step response time up to 63% 2 ms
Conversion rate, max 2 ms per channel
Output current terminal, user
configurable
0 mA output until module is configured
4…20 mA (default)
0…20 mA
Output voltage terminal, user
configurable
±10V
0…10V
Current load on voltage output, max 3 mA
Absolute accuracy
Voltage terminal
Current terminal
0.133 % Full Scale @ 25 ° C or better
0.425 % Full Scale @ 25 ° C or better
Accuracy drift with temp Voltage terminal – 0.0045 % Full Scale/° C
Current terminal – 0.0069 % Full Scale/° C
Resistive load on mA output 15…500 ohm @ 24V DC
Input Specifications – 2085-IF4 and 2085-IF8
Attribute 2085-IF4 2085-IF8
2085-IRT4 Temperature Input Module
Attribute 2085-IRT4
Number of inputs 4
Dimensions, HxWxD 44.5 x 90 x 87 mm
(1.75 x 3.54 x 3.42 in.)
Shipping weight,
approx.
220 g (7.76 oz)
Bus current draw, max 5V DC, 160 mA
24V DC, 50 mA
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