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Allen Bradley

Allen Bradley 1771-RT44A PLC-5 Thermocouple Input Module

Name: Allen Bradley 1771-RT44 A
Brand: Allen Bradley
SKU: 1771-RT44 A
Availability: InStock

Allen Bradley 1771-RT44A PLC-5 thermocouple/RTD input module.

● In Stock 12-Mo Warranty Same-Day Dispatch Ships Worldwide 🎖 Veteran-Owned

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ManufacturerAllen Bradley

Part number1771-RT44 A

Input Type Thermocouple, RTD

Number of Channels 4

Resolution 14-bit

Isolation Optical

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4 analog input channels Supports thermocouples (J, K, T, E, R, S, B) Supports RTD (Pt100, Pt1000) High-resolution 14-bit conversion Optical isolation Designed for PLC-5 systems

Product description

The Allen Bradley 1771-RT44A is a specialized input module for the PLC-5 system, designed to interface with temperature sensors. It features 4 channels capable of accepting thermocouple inputs and RTD signals, providing precise temperature monitoring for industrial processes.

This module is ideal for applications requiring accurate temperature measurement in environments such as chemical processing, food and beverage production, power generation, and HVAC systems. It allows for seamless integration of temperature data into the PLC-5 control logic.

Stanlo Automation, a veteran-owned surplus distributor, offers the 1771-RT44A, ensuring you can source reliable components for your critical temperature monitoring needs. We provide tested, quality parts to keep your operations running smoothly.

Technical specifications

Input Type	Thermocouple, RTD
Number of Channels	4
Resolution	14-bit
Isolation	Optical
PLC Series	PLC-5
Signal Type	Analog

Common applications

Temperature monitoring

Chemical processing

Food & beverage

HVAC control

Pharmaceutical manufacturing

Plastics manufacturing

Energy production

Compatible systems

PLC-5 Processors PLC-5 Chassis (e.g., 1771-A1B, 1771-A2B, 1771-A3B, 1771-A4B)

Also known as

1771RT44A, Allen Bradley PLC-5 Temp Input, PLC-5 1771-RT44A, AB 1771-RT44A

Replaces / compatible with

This module is a direct replacement for older PLC-5 temperature input modules and can be used in any PLC-5 chassis that supports 1771 I/O.

Technical note

Expert tip

Proper cold junction compensation is critical for accurate thermocouple readings. Ensure that the module is correctly shielded and grounded to minimize electrical noise interference.

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Frequently asked questions

What types of temperature sensors can the Allen Bradley 1771-RT44A module read?

The 1771-RT44A module is versatile, supporting four channels that can read common thermocouple types (J, K, T, E, R, S, B) and Resistance Temperature Detectors (RTDs) such as Pt100 and Pt1000. This allows for flexible temperature data acquisition.