Rockwell Automation 1756-OF8I ControlLogix Eight-channel Isolated Analog I/O Modules  User Manual

Page 44

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44

Rockwell Automation Publication 1756-UM540A-EN-P - May 2014

Chapter 2

ControlLogix Isolated Analog I/O Module Features

Table 5

lists the 1756-IRT8I module resolution when using a thermocouple

input type.

Table 5 - 1756-IRT8I Module Resolution in Degrees C with Thermocouple Input Type

Application
Temperature

Module Resolution (in degrees C) When Connected to This Thermocouple Type

Type B

Type C

Type D

Type TXK/
XK(L)

Type R

Type S

Type E

Type J

Type K

Type N

Type T

-200 °C (-328 °F)

0.02

0.02

0.02

0.03

0.04

0.03

0 °C (32 °F)

0.03

0.05

0.01

0.08

0.08

0.01

0.01

0.01

0.02

0.01

200 °C (392 °F)

0.03

0.03

0.01

0.05

0.05

0.01

0.01

0.01

0.01

0.01

400 °C (752 °F)

0.11

0.02

0.02

0.01

0.04

0.05

0.01

0.01

0.01

0.01

0.01

600 °C (1112 °F)

0.07

0.02

0.02

0.01

0.04

0.04

0.01

0.01

0.01

0.01

800 °C (1472 °F)

0.06

0.02

0.02

0.01

0.04

0.04

0.01

0.01

0.01

0.01

1000 °C (1832 °F)

0.05

0.02

0.02

0.03

0.04

0.01

0.01

0.01

0.01

1200 °C (2192 °F)

0.04

0.03

0.02

0.03

0.04

0.01

0.01

0.01

1400 °C (2552 °F)

0.04

0.03

0.02

0.03

0.04

0.01

1600 °C (2912 °F)

0.04

0.03

0.03

0.03

0.04

1800 °C (3272 °F)

0.04

0.03

0.03

0.04

0.04

2000 °C (3632 °F)

0.04

0.03

2200 °C (3992 °F)

0.04

0.04

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