Rockwell Automation 1734-IT2I, Series C Point I/O RTD and Isolated Thermocouple Input Module Installation Instructions User Manual
Page 20
20 POINT I/O™ RTD and Isolated Thermocouple Input Modules
Publication 1734-IN011H-EN-E - February 2014
Input voltage
±75 mV
Absolute accuracy
0.1% Full Scale @ 25 °C (77 °F)
Accuracy drift with temp.
30 ppm/°C
Input impedance
100 K
Ω
Input resistance
1 M
Ω
Conversion type
Delta Sigma
Data format
Signed integer
Maximum overload
Input not overvoltage protected
Calibration
Factory calibrated
Input update rate (per module)
20 ms @ Notch = 50 Hz
17 ms @ Notch = 60 Hz (default)
10 ms @ Notch = 100 Hz
8 ms @ Notch = 120 Hz
5 ms @ Notch = 200 Hz
4 ms @ Notch = 240 Hz
3 ms @ Notch = 300 Hz
3 ms @ Notch = 400 Hz
2 ms @ Notch = 480 Hz
Step response (per channel)
60 ms @ Notch = 50 Hz
50 ms @ Notch = 60 Hz
30 ms @ Notch = 100 Hz
25 ms @ Notch = 120 Hz
15 ms @ Notch = 200 Hz
13 ms @ Notch = 240 Hz
10 ms @ Notch = 300 Hz
8 ms @ Notch = 400 Hz
6 ms @ Notch = 480 Hz
Common mode rejection rate
120 dB
Normal mode rejection rate
-60 dB
Notch filter
-3 dB settable at the following:
13.1 Hz @ Notch = 50 Hz
15.7 Hz @ Notch = 60 Hz
26.2 Hz @ Notch = 100 Hz
31.4 Hz @ Notch = 120 Hz
52.4 Hz @ Notch = 200 Hz
62.9 Hz @ Notch = 240 Hz
78.6 Hz @ Notch = 300 Hz
104.8 Hz @ Notch = 400 Hz
125.7 Hz @ Notch = 380 Hz
POINT I/O Isolated Thermocouple Input Module – 1734-IT2I
Attribute
Value