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Allen Bradley 1756-CNB ControlNet Communication Module

Allen Bradley ControlLogix ControlNet Communication Module

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ManufacturerAllen Bradley

Part number1756-CNB

Part Number 1756-CNB

Manufacturer Allen-Bradley

Series ControlLogix

Network ControlNet

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12-month warranty

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Veteran-owned

CAGE: 9NK75

ControlNet communication High-speed data transfer Deterministic communication Seamless integration with ControlLogix Network diagnostics

Product description

The Allen Bradley 1756-CNB is a ControlNet Communication Module designed for the ControlLogix system. It enables high-speed, deterministic data transfer between ControlLogix controllers and other ControlNet devices, facilitating robust network integration.

This module is crucial for applications requiring reliable and fast communication, such as in process control, manufacturing execution systems (MES), and distributed I/O configurations. It supports advanced network diagnostics and fault tolerance.

Stanlo Automation, a veteran-owned surplus distributor, offers the Allen Bradley 1756-CNB. Source your critical automation components from us and ensure operational efficiency with quality, cost-effective parts.

Technical specifications

Part Number	1756-CNB
Manufacturer	Allen-Bradley
Series	ControlLogix
Network	ControlNet
Type	Communication Module

Common applications

Process Control

Manufacturing Automation

Distributed I/O

High-Speed Data Acquisition

Supervisory Control

Compatible systems

ControlLogix Chassis (1756-A4, 1756-A7, 1756-A13, 1756-A17) ControlNet devices

Also known as

Allen Bradley 1756-CNB Module ControlLogix ControlNet AB 1756-CNB

Replaces / compatible with

The 1756-CNB module serves as a key component for establishing ControlNet networks within the ControlLogix platform. It is compatible with various ControlLogix chassis and other ControlNet devices.

Technical note

Expert tip

The 1756-CNB requires a ControlLogix backplane and proper network cabling to establish a ControlNet connection. Ensure the network configuration is correctly defined in the Logix Designer software.

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Frequently asked questions

What is the primary function of the Allen Bradley 1756-CNB module?

The 1756-CNB is a ControlNet Communication Module for the ControlLogix system, enabling high-speed, deterministic data exchange between controllers and network devices. It's essential for integrated automation architectures.