1771-IXE

Overview

The 1771-IXE from Allen-Bradley is a Thermocouple/Millivolt Input Module designed for use with PLC 5 systems. It supports a range of thermocouple types and provides accurate temperature measurements with automatic calibration.

Inputs & Signal Types

• Inputs: 8, configurable for the same type or 4 each of 2 different types

• Thermocouple Types: E, J, K, T, R, and S

• Voltage Range: ±99.99 mV for supported thermocouple types

• Resistance Input: ±100 mV

Specifications

• Resolution: 1°C or 1°F

• Cold Junction Compensation: 0–60°C

• Calibration: Auto-calibration for offset and gain

• Channel Update Time: 50 ms per 8 channels, with 15-bit resolution (+/- sign)

• Data Format: 4-Digit BDC, 2's complement binary

Compatibility & Mounting

• Processor Compatibility: Works with any A-B processor using 1771 I/O and Block Transfer

• Chassis Compatibility: Fits any 1771 I/O Chassis

• Mounting: Rack mountable

Performance & Delays

• Typical AC Signal Delay: 45 ± 15 ms (Off)

• Typical DC Signal Delay: 50 ms (Off)

• Backplane Current: 750 mA

General Features

• Power Requirements: No external power needed

• I/O Configuration: 8 Floating Differential Inputs

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