Module overview – Rockwell Automation 1762-IT4 Thermocouple/mV Input Module User Manual

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2 MicroLogix 1200 Thermocouple/mV Input Module

Publication 1762-IN013B-EN-P - June 2013

Module Overview

The thermocouple/mV modules receive and store digitally converted thermocouple and/or
millivolt (mV) analog data from any combination of up to four thermocouple or millivolt analog
sensors. Each input channel is individually configurable via software for a specific input device
and provides open-circuit, over-range and under-range detection and indication. The module
receives all of its +5V DC and +24V DC power from the 1762 expansion I/O bus. The module
features a terminal block with a cold junction compensation (CJC) sensor.

Accepted Inputs

Range

Thermocouple Type J

-210…1200 °C (-346…2192 °F)

Thermocouple Type K

-270…1370 °C (-454…2498 °F)

Thermocouple Type T

-270…400 °C (-454…752 °F)

Thermocouple Type E

-270…1000 °C (-454…1832 °F)

Thermocouple Type R

0…1768 °C (32…3214 °F)

Thermocouple Type S

0…1768 °C (32…3214 °F)

Thermocouple Type B

300…1820 °C (572…3308 °F)

Thermocouple Type N

-210…1300 °C (-346…2372 °F)

Thermocouple Type C

0…2315 °C (32…4199 °F)

Millivolt inputs

-50…50 mV

-100…100 mV

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