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

Page 19

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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

1734-UM004

.

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