Rockwell Automation 1734-IT2I, Series C Point I/O RTD and Isolated Thermocouple Input Module Installation Instructions User Manual
Page 19

POINT I/O™ RTD and Isolated Thermocouple Input Modules 19
Publication 1734-IN011H-EN-E - February 2014
Common mode rejection ratio
120 dB
Normal mode rejection ratio
100 dB
Notch filter
-3dB 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
Data format
Signed integer
Maximum overload
No input protection
Calibration
Factory calibrated
(1)
Includes offset, gain, non-linearity, and repeatability error terms.
(2)
Applies only to mV input for 1734-IT2I, and to ohms input for 1734-IR2 and 1734-IR2E modules. For more information on
calculating Absolute Accuracy and Accuracy Drift, refer to POINT I/O Thermocouple and RTD Modules User Manual,
publication
.
POINT I/O Isolated Thermocouple Input Module – 1734-IT2I
Attribute
Value
Number of inputs
2 differential, individually isolated
Resolution
15 bits plus sign
2.5
μV/cnt
Thermocouple type (and resolution
average over span)
Sensor
Range
Resolution
(Average Over Span)
Type B
Type C
Type E
Type J
Type K
Type N
Type R
Type S
Type T
30…1820 °C
0…2315 °C
-270…1000 °C
-210…1200 °C
-270…1372 °C
-270…1300 °C
-50…1768.1 °C
-50…1768.1 °C
-270…400 °C
(86…3308 °F)
(32…4199 °F)
(-454…1832 °F)
(-346…2192 °F)
(-454…2502 °F)
(-454…2373 °F)
(-58…3214 °F)
(-58…3214 °F)
(-454…752 °F)
3 counts/°C
6 counts/°C
24 counts/°C
21 counts/°C
13 counts/°C
11 counts/°C
4 counts/°C
4 counts/°C
15 counts/°C
Cold junction compensation
Included in 1734-RTBCJC remote termination block.
Cold junction compensation range 0…70 °C (32…158 °F)
POINT I/O RTD Input Modules – 1734-IR2, 1734-IR2E
Attribute
1734-IR2
1734-IR2E