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Allen-Bradley 1734-IT21 POINT I/O Temperature Input Module

Allen-Bradley POINT I/O Temperature Input Module.

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ManufacturerAllen Bradley

Part number1734-IT21

Points 2

Type Temperature Input

Sensor Type RTD, Thermocouple

Wiring 4-Wire RTD

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12-month warranty

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Veteran-owned

CAGE: 9NK75

2 Temperature Input Points Supports RTD & Thermocouple 4-Wire RTD Measurement Screw Terminal Connections POINT I/O Modular Design High Accuracy Status Indicator LEDs

Product description

The Allen-Bradley 1734-IT21 is a 2-point temperature input module from the POINT I/O family, designed to measure temperature using RTD (Resistance Temperature Detector) and thermocouple sensors. This module supports 4-wire RTD measurements for increased accuracy and features convenient screw terminals for wiring, making it suitable for integrating temperature data into automation systems.

This module is crucial for applications requiring precise temperature monitoring in industries such as food and beverage processing, chemical manufacturing, pharmaceuticals, and HVAC systems. It allows for real-time data acquisition of temperature, which is critical for process control, quality assurance, and energy management.

Stanlo Automation, a veteran-owned surplus parts distributor, offers the 1734-IT21 for your temperature monitoring needs. We provide reliable and cost-effective solutions to keep your industrial processes optimized. Trust Stanlo Automation for your Allen-Bradley POINT I/O modules and related automation components.

Technical specifications

Points	2
Type	Temperature Input
Sensor Type	RTD, Thermocouple
Wiring	4-Wire RTD
Terminal Type	Screw
Series	POINT I/O
Resolution	16-bit
Isolation	50V (Bus)

Common applications

Food & Beverage

Chemical Processing

Pharmaceutical

HVAC

Industrial Ovens

Environmental Monitoring

Plastics Manufacturing

Compatible systems

ControlLogix CompactLogix SLC 500 (with communication adapter)

Also known as

1734-IT21 Allen Bradley Temperature Input POINT I/O RTD Module AB 1734-IT21

Replaces / compatible with

Replaces existing 1734-IT21 modules or serves as an addition to expand temperature monitoring capabilities within a POINT I/O system. Compatible with various Rockwell Automation controllers.

Technical note

Expert tip

For optimal accuracy with RTD sensors, it is recommended to use 4-wire connections to compensate for lead wire resistance, which the 1734-IT21 module supports.

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Frequently asked questions

What types of temperature sensors does the Allen-Bradley 1734-IT21 module support?

The Allen-Bradley 1734-IT21 is a 2-point temperature input module that supports both RTD (Resistance Temperature Detector) and thermocouple sensors. It is capable of 4-wire RTD measurements for enhanced accuracy.