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1756-CN2RXT Allen-Bradley

Name: 1756-CN2RXT Allen-Bradley
Brand: Allen Bradley
SKU: 1756-CN2RXT
Price: 1281.47 USD
Availability: InStock

$1,281.47 - $4,112.50

$1,281.47

$1,281.47 - $4,112.50

$1,281.47

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Product Details

Description · Specifications · Product Overview

Specifications provided for reference. Verify critical details against official manufacturer documentation before installation.

Product Overview

The 1756-CN2RXT is an Allen-Bradley ControlLogix XT ControlNet Redundant Interface Module. It provides redundant ControlNet connectivity to Logix XT controllers within a ControlLogix-XT chassis, enabling up to 128 Logix communication connections and 99 nodes via two ControlNet BNC ports. Designed for industrial communication redundancy, it supports high-availability applications in process control, discrete manufacturing, or large-scale automation where uninterrupted ControlNet operation is essential. 1756-CN2RXT integrates seamlessly into ControlLogix systems.

Best Suited For

Redundant ControlNet network architectures
Logix XT controller systems
Applications needing high availability and communication redundancy
Environments requiring ControlNet connectivity across chassis

ControlNet ports

2 BNC

Logix connections

128

Max nodes

99

Power dissipation

6.6 W

Current draw @5.1 V DC

1300 mA

Technical Specifications

I/O & Electrical

Current draw @ 5.1 V DC

1300 mA

Current draw @ 24 V DC

3 mA

Power dissipation

6.6 W

Thermal dissipation

22.9 BTU/hr

Communication & Power

ControlNet communication rate

5 Mbps

Logix communication connections (max)

128

ControlNet ports

2 BNC

Connections supported (max)

131

Physical & Environmental

Operating temperature

-25 to 70 °C

Storage temperature

-40 to 85 °C

Weight, approx.

0.293 kg

Module location

Chassis-based, any slot

Certifications

China CCCATEXRCMIECExKCUL ListedCEUKCA

Product carries certifications: China CCC, ATEX, Australian RCM, IECEx Scheme, Korean KC, UL Listed, UL Listed Hazardous, CE, American Bureau of Shipping, Registro Italiano Navale, UKCA, EEC. (as of May 17 2026)

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Sourced and shipped from Texas, USA. Never anonymous overseas marketplace stock.

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Hassle-free RMA. If the part is not right for your application, send it back within 30 days.

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Rockwell Automation documentation

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