Rockwell Automation 1746-NR8 SLC 500 RTD/Resistance Input Module User Manual User Manual
Page 14

Publication 1746-UM003A-EN-P
1-4 Overview
Table 1.2 RTD Accuracy and Temperature Drift Specifications
Input Type
0.25 mA Excitation
1.0 mA Excitation
Accuracy
Temperature Drift
Accuracy
Temperature Drift
Platinum
(385)
100
Ω
±0.5°C
(±0.9°F)
±0.012°C/°C
(±0.012°F/°F)
±0.7°C
(±1.3°F)
±0.020°C/°C
(±0.020°F/°F)
200
Ω
±0.6°C
(±1.1°F)
±0.015°C/°C
(± 0.015°F/°F)
±0.7°C
(±1.3°F)
±0.020°C/°C
(±0.020°F/°F)
500
Ω
±0.7°C
(±1.3°F)
±0.020°C/°C
(±0.020°F/°F)
±0.5°C
(± 0.9°F)
±0.012°C/°C
(±0.012°F/°F)
1000
Ω
±1.2°C
(±2.2°F)
±0.035°C/°C
(±0.035°F/°F)
±0.4°C
(±0.7°F)
±0.010°C/°C
(±0.010°F/°F)
Platinum
(3916)
10
Ω
±0.4°C
(±0.7°F)
±0.010°C/°C
(± 0.010°F/°F)
±0.6°C
(±1.1°F)
±0.015°C/°C
(±0.015°F/°F)
200
Ω
±0.5°C
(±0.9°F)
±0.011°C/°C
(±0.011°F/°F)
±0.6°C
(±1.1°F)
±0.015°C/°C
(±0.015°F/°F)
500
Ω
±0.6°C
(±1.1°F)
±0.015°C/°C
(± 0.015°F/°F)
±0.4°C
(±0.7°F)
±0.012°C/°C
(±0.012°F/°F)
1000
Ω
±0.9°C
(±1.6°F)
±0.026°C/°C
(±0.026°F/°F)
±0.3°C
(±0.6°F)
±0.010°C/°C
(±0.010°F/°F)
Copper
(426)
10
Ω
±0.5°C
(±0.9°F)
±0.008°C/°C
(±0.008°F/F)
±0.8°C
(±1.4°F)
±0.008°C/°C
(±0.008°F/°F)
Nickel
(618)
120
Ω
± 0.2°C
(±0.4°F)
±0.003°C/°C
(±0.003°F/°F)
±0.2°C
(±0.4°F)
±0.005°C/°C
(±0.005°F/°F)
Nickel
(672)
120
Ω
±0.2°C
(±0.4°F)
±0.003°C/°C
(±0.003°F/°F)
±0.2°C
(±0.4°F)
±0.005°C/°C
(±0.005°F/°F)
Nickel Iron
(518)
604
Ω
±0.3°C
(±0.5°F)
±0.008°C/°C
(±0.008°F/°F)
±0.3°C
(± 0.5°F)
±0.008°C/°C
(±0.008°F/°F)
Resistance
150
Ω
±0.2
Ω
±0.004
Ω
/°C
(±0.002
Ω
/°F)
±0.15
Ω
±0.003
Ω
/°C
(± 0.002
Ω
/°F)
500
Ω
±0.5
Ω
±0.012
Ω
/°C
(±0.007
Ω
/°F)
±0.5
Ω
±0.012
Ω
/°C
(±0.007
Ω
/°F)
1000
Ω
±1.0
Ω
±0.025
Ω
/°C
(±0.014
Ω
/°F)
±1.0
Ω
±0.025
Ω
/°C
(±0.014
Ω
/°F)
3000
Ω
±1.5
Ω
±0.040
Ω
/°C
(±0.023
Ω
/°F)
±1.2
Ω
±0.040
Ω
/°C
(±0.023
Ω
/°F)