User guide

Rockwell Automation Publication 2080-UM003A-EN-E - March 2013 53
Specifications Appendix A
Wire size
Wiring category
(1)
2 – on signal ports
Terminal screw torque 0.5…0.6 Nm
(4.4…5.3 lb-in.)
(2)
Input type Thermocouple type: B, C, E, J, K, TXK/XK (L), N, R, S, T
RTD type:
100 Ω Pt α = 0.00385 Euro
200 Ω Pt α = 0.00385 Euro
100 Ω Pt α = 0.003916 U.S
200 Ω Pt α = 0.003916 U.S.
100 Ω Nickel 618
200 Ω Nickel 618
120 Ω Nickel 672
10 Ω Copper 427
mV range: 0…100 mV
Ohm input: 0…500 Ω
Resolution 16 bits
Channel update time,
typical
12…500 ms per enabled channel
Input impedance > 10 M Ω
Accuracy ±0.5…±3.0 °C accuracy for Thermocouple inputs
±0.2…±0.6 °C accuracy for RTD inputs
Power dissipation,
total
2 W
Enclosure type rating Meets IP20
Status indicators 1 green health indicator
Isolation voltage 50V (continuous), Reinforced Insulation Type, channel to system.
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.
2085-IRT4 Temperature Input Module
Attribute 2085-IRT4
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)