1756-CNB/B Bridge Module Allen-Bradley

Allen-Bradley 1756-CNB/B ControlLogix ControlNet Bridge Module

Key Technical Specifications

• The 1756-CNB/B supports up to 99 nodes on ControlNet
• Communication speed is 5 megabits per second
• Handles up to 64 bidirectional connections
• Power draw is 970 mA at 5.1V DC
• Thermal dissipation: 17.4 BTU per hour
• Maximum power: 5.1 Watts during operation
• Brand: Allen-Bradley, Model: 1756-CNB/B

Installation and Configuration

• Install in any single slot of ControlLogix chassis
• Set node address from 01 to 99 using front switches
• Features both BNC and RJ-45 network ports
• Supports scheduled and unscheduled data communication
• Configure using Rockwell Automation software tools
• Compatible with Flex IO, POINT IO, SLC and PLC5 systems

Network Capabilities

• Bridges ControlLogix backplane to ControlNet network
• Handles both I/O control data and message routing
• Supports 20 buffers for unconnected messages
• Ideal for distributed I/O applications across multiple racks
• Enables HMI and SCADA system connectivity
• Provides real-time diagnostic information

Packaging and Shipping

• Brand new, factory-sealed Allen-Bradley modules
• Includes original packaging and documentation
• Ships within five business days
• Worldwide via DHL, FedEx, and UPS
• Carefully packaged to ensure perfect condition

Frequently Asked Questions

Is this module new and genuine Allen-Bradley?

• Yes, we supply only authentic Allen-Bradley products in original packaging

How many nodes can the 1756-CNB/B support?

• This module supports up to 99 nodes on the ControlNet network

What is the communication speed?

• The module operates at 5 megabits per second data rate

What connections are available?

• It provides both BNC connector and RJ-45 port for flexibility

What is your shipping policy?

• We ship within 5 business days with 30-day return option

For technical support or purchasing information, contact us at sales@nex-auto.com.