Input specifications – 2085-if4 and 2085-if8 – Rockwell Automation 2085 Micro800 Discrete and Analog Expansion I/O Modules User Manual

Page 59

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Rockwell Automation Publication 2080-UM003A-EN-E - March 2013

51

Specifications Appendix A

Wire size

Wiring category

(1)

2 – on signal ports

Wire type

Shielded

Terminal screw
torque

0.5…0.6 Nm
(4.4…5.3 lb-in.)

(2)

Power dissipation,
total

1.7 W

3.7 W

1.75 W

Enclosure type rating

Meets IP20

Status indicators

1 green health
indicator

1 green health
indicator

1 green health indicator
8 red error indicators

Isolation voltage

50V (continuous), Reinforced Insulation Type, channel to system and channel
to channel.
Type tested @ 720V DC for 60 s

North American
temp code

T4

(1) Use this Conductor Category information for planning conductor routing. Refer to Industrial Automation Wiring

and Grounding Guidelines, publication

1770-4.1

.

(2) RTB hold down screws should be tightened by hand. They should not be tightened using a power tool.

Input Specifications – 2085-IF4 and 2085-IF8

Attribute

2085-IF4

2085-IF8

Number of inputs

4

8

Resolution
Voltage
Current

14 bits (13 bits plus sign bit)
1.28 mV/cnt unipolar; 1.28 mV/cnt bipolar
1.28

μA/cnt

Data format

Left justified, 16 bit 2s complement

Conversion type

SAR

Update rate

< 2 ms per enabled channel without 50 Hz/60 Hz rejection,
< 8 ms for all channel,
8 ms with 50 Hz/60 Hz rejection

Step response time up to 63%

2-point Moving Average Filter
4-point Moving Average Filter
8-point Moving Average Filter
50/60 Hz Rejection Filter

4…16 ms (for 1…8 enabled channels)
6…24 ms (for 1…8 enabled channels)
12…60 ms (for 1…8 enabled channels)
600 ms (for 1…8 enabled channels)

Input current terminal, user
configurable

4…20 mA (default)
0…20 mA

Input voltage terminal, user
configurable

±10V
0…10V

Input impedance

Voltage terminal >1 M

Ω

Current terminal <100

Ω

2085-IF4, 2085-IF8, 2085-OF4 Analog Input and Output Modules

Attribute

2085-IF4

2085-OF4

2085-IF8

Min

Max

Solid

0.34 mm

2

(22 AWG)

2.5 mm

2

(14 AWG)

Copper wire rated @ 90 °C
(194 °F), or greater,
1.2 mm
(3/64 in.) insulation max

Stranded

0.20 mm

2

2.5 mm

2

(14 AWG)

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