Allen-Bradley 1756-CNB/E ControlLogix ControlNet Communication Module

Allen-Bradley 1756-CNB/E ControlLogix ControlNet Communication Bridge Module

Disponibilidad: 9 Quedan en stock

DescriptionThe Allen-Bradley 1756-CNB/E is a ControlLogix ControlNet communication bridge module designed to facilitate high-speed data exchange between ControlLogix controllers and...

Código: 1756-CNB/E

Manufacturer: Allen-Bradley
Product No.: 1756-CNB/E
Product Type: Communication Bridge Module
Product Origin: USA
Payment:T/T, Western Union
Weight: 300g
Shipping port: Xiamen
Warranty: 12 months

Descripción Reseñas

Description

The Allen-Bradley 1756-CNB/E is a ControlLogix ControlNet communication bridge module designed to facilitate high-speed data exchange between ControlLogix controllers and other devices on a ControlNet network. This module acts as a bridge, allowing for efficient communication and control across distributed I/O, peer-to-peer messaging, and controller-to-controller data transfer.

Features

Supports up to 99 nodes on a single ControlNet network.
Provides up to 64 communication connections.
Standard ControlNet communication rate of 5 Mbps.
Designed for seamless integration within the ControlLogix chassis environment.
Optimized for deterministic, high-speed industrial communication.

Technical Specifications

Product Model	1756-CNB/E
Series	ControlLogix
Module Type	ControlNet Bridge Module
Communication Rate	5 Mbps
Max Nodes	99
Max Connections	64
Input Current (5.1V DC)	970 mA
Input Current (24V DC)	1.7 mA
Thermal Dissipation	17.4 BTU/hr

Installation Guidelines

Ensure the ControlLogix chassis is powered down before inserting or removing the module to prevent electrical damage.
Slide the module into the designated chassis slot and secure it using the top and bottom latches.
Ensure proper grounding of the ControlLogix chassis to a common ground point to minimize EMI interference.
Use shielded ControlNet cabling and appropriate tap connectors to maintain network integrity.
Verify that the module is firmly seated and the backplane connector is fully engaged.

FAQ

What is the primary function of the 1756-CNB/E?

The 1756-CNB/E serves as a communication bridge that allows ControlLogix controllers to communicate over the ControlNet network, supporting I/O control and messaging.

Can this module be hot-swapped?

Yes, the ControlLogix system supports Removal and Insertion Under Power (RIUP), allowing you to replace the module without powering down the entire chassis, provided the environment is not hazardous.

What is the communication speed of this module?

The module operates at a fixed ControlNet communication rate of 5 megabits per second.

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