Allen-Bradley 1756-IRT8I ControlLogix RTD/Thermocouple Input Module

Allen-Bradley 1756-IRT8I ControlLogix 8-Point Isolated RTD/Thermocouple Input Module

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DescriptionThe Allen-Bradley 1756-IRT8I is a high-performance, 8-channel isolated input module designed for the ControlLogix platform. This module provides precise temperature...

SKU: 1756-IRT8I

Manufacturer: Allen-Bradley
Product No.: 1756-IRT8I
Product Type: Analog Input Module
Product Origin: USA
Payment:T/T, Western Union
Weight: 350g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Description

The Allen-Bradley 1756-IRT8I is a high-performance, 8-channel isolated input module designed for the ControlLogix platform. This module provides precise temperature measurement and signal conditioning for industrial applications requiring high accuracy and channel-to-channel isolation. It supports a wide variety of thermocouple and RTD sensors, making it a versatile solution for complex process monitoring and control tasks within a ControlLogix chassis.

Features

Eight isolated input channels for enhanced noise immunity and signal integrity.
Support for diverse sensor types, including B, C, D, E, J, K, N, R, S, T, and TXK/XK (L) thermocouples, as well as RTD inputs.
High-speed module scan time of 1 ms for real-time data acquisition.
Data output formatted as IEEE 32-bit floating point for seamless integration into the ControlLogix environment.
Robust 250V continuous isolation voltage rating.

Technical Specifications

Module Type	Isolated RTD/Thermocouple Input
Number of Inputs	8 Isolated Channels
Backplane Current (5.1V)	200 mA
Backplane Current (24V)	150 mA
Max Power Dissipation	4.6 W
Isolation Voltage	250V Continuous
Scan Time	1 ms

Installation Guidelines

Ensure the ControlLogix chassis is powered down before inserting or removing the 1756-IRT8I module to prevent electrical damage.
The module must be seated firmly in the chassis slot and secured using the top and bottom mounting screws.
Use shielded cables for all sensor inputs to minimize electromagnetic interference (EMI) in high-noise industrial environments.
Verify that all field wiring is properly terminated and that the module is correctly configured in the Studio 5000 Logix Designer software before putting the system into operation.
Maintain adequate ventilation around the chassis to ensure the module stays within its rated operating temperature range.

FAQ

What types of sensors can be connected to the 1756-IRT8I?

This module is compatible with a wide range of thermocouple types including B, C, D, E, J, K, N, R, S, T, and TXK/XK (L), as well as standard RTD inputs and millivolt signals.

Is the 1756-IRT8I module isolated?

Yes, the module features 8 isolated channels with a continuous isolation voltage rating of 250 Volts, which helps protect the internal circuitry and improves measurement accuracy in electrically noisy environments.

What is the power consumption of this module?

The module has a maximum power dissipation of 4.6 Watts and draws 200 mA from the 5.1V backplane and 150 mA from the 24V backplane.

What's clients say about us

Excellent Emergency Support!

Our production line was down due to a faulty Bently Nevada monitor. We found it in stock here and they shipped it via DHL immediately. Back in operation within 48 hours—truly a lifesaver for our plant.

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Maintenance Manager, USA

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Finding brand new, original modules is critical for our safety. This team delivers factory-fresh components with full certification. Their commitment to only selling new products makes them our most trusted partner.

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Engineering Lead, Germany

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We have sourced Honeywell and Schneider parts here for two years. Every shipment arrives well-packaged with original factory seals intact. Clear communication and the best lead times in the industry.