Allen-Bradley 1756-CN2 ControlLogix ControlNet Communication Module

Allen-Bradley 1756-CN2 ControlLogix ControlNet Communication Module

Availability: 4 left in stock

DescriptionThe Allen-Bradley 1756-CN2 is a high-performance ControlNet communication module designed for the ControlLogix platform. This module facilitates reliable, deterministic data...

SKU: 1756-CN2

Manufacturer: Allen-Bradley
Product No.: 1756-CN2
Product Type: Communication Module
Product Origin: USA
Payment:T/T, Western Union
Weight: 250g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

Description

The Allen-Bradley 1756-CN2 is a high-performance ControlNet communication module designed for the ControlLogix platform. This module facilitates reliable, deterministic data exchange between controllers, I/O devices, and other networked components within an industrial control system. It supports standard media configurations and is engineered to handle complex communication tasks in demanding automation environments.

Features

Supports data transfer rates of up to 5 Mbps
Capable of managing up to 128 Logix connections
Supports network configurations with up to 99 nodes
Designed for seamless integration with ControlLogix backplanes
Standard ControlNet media support for robust field connectivity

Applications

This communication module is widely utilized in large-scale industrial automation applications, including manufacturing lines, process control systems, and distributed control environments where deterministic, real-time communication is critical for system synchronization and data integrity.

Technical Specifications

Model	1756-CN2
Communication Protocol	ControlNet
Data Rate	5 Mbps
Max Logix Connections	128
Max Nodes	99
Manufacturer	Allen-Bradley

Installation Guidelines

Ensure the ControlLogix chassis is powered down before inserting or removing the 1756-CN2 module to prevent electrical damage.
Slide the module into the designated slot on the chassis, ensuring proper alignment with the backplane connector.
Secure the module using the top and bottom latching mechanisms to ensure a stable, vibration-resistant connection.
Verify that the ControlNet cable is properly seated and shielded to minimize EMI interference.
Maintain proper ventilation around the chassis to prevent overheating during continuous operation.

FAQ

What is the primary function of the 1756-CN2?
The 1756-CN2 acts as a bridge between the ControlLogix controller and the ControlNet network, allowing for high-speed, deterministic I/O and peer-to-peer messaging.

How many nodes can this module support on a single network?
The 1756-CN2 supports up to 99 nodes within a ControlNet network configuration.

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.

Mark Thompson

Maintenance Manager, USA

Reliable Source for New Spares

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.

Robert Hoffmann

Engineering Lead, Germany

Top-tier Service and Quality

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.

Lucas Müller

Operations Director, Germany