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  • 1756-CNB/B
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1756-CNB/B

1756-CNB/B Allen-Bradley ControlNet Bridge 5 Mbps 99 Nodes

In stock (14 units), ready to be shipped

  • Manufacturer: Allen-Bradley

  • Product No.: 1756-CNB/B

  • Product Type: Bridge Module

  • Product Origin: USA

  • Payment:T/T, Western Union

  • Weight: 260g

  • Shipping port: Xiamen

  • Warranty: 12 months

30-Day Return Policy · 12-Month Warranty
  • Fast Delivery
  • 24/7 Support
  • Quality Assurance

Description

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

The Allen-Bradley 1756-CNB/B is a ControlNet bridge module for the ControlLogix platform. Single-slot design with 5 Mbps high-speed communication and support for up to 99 nodes per network.

Product Information

Brand Allen-Bradley
Part Number 1756-CNB/B
Product Type ControlNet Bridge Module
Series ControlLogix
Communication Rate 5 Mbps
Max Connections 64 (Scheduled and Unscheduled)
Max Nodes 99 per Network
Network Ports 1 BNC + 1 RJ45
Media Operation Non-Redundant
Slot Width Single-Slot
Weight 0.26 kg (0.57 lbs)

Technical Specifications

Backplane Power (5.1V) 970 mA
Operating Temperature 0°C to 60°C (32°F to 140°F)

Model Hierarchy

  • 1756-CNB (Base Model)
  • 1756-CNB/A (First Revision)
  • 1756-CNB/B (Current Version)

Compatible Systems

  • ControlLogix 5550 and 5560 Controllers
  • Flex I/O and POINT I/O Systems
  • SLC and PLC5 ControlNet Networks
  • Third-Party ControlNet Certified Devices

Features

  • ControlLogix to ControlNet interface bridge
  • 5 Mbps high-speed communication
  • Supports 99 nodes per network
  • 64 scheduled and unscheduled connections
  • BNC and RJ45 network ports
  • Single-slot modular design
  • Non-redundant media operation

Applications

  • Factory-wide control system integration
  • Distributed I/O network configurations
  • SCADA and HMI communication bridging
  • Legacy system modernization projects
  • Multi-chassis network expansion

FAQs

Q1: What communication rate does the 1756-CNB/B support?
A1: 5 Mbps with support for up to 99 nodes per network.

Q2: How many connections does this module support?
A2: 64 scheduled and unscheduled connections.

Q3: What is the power consumption and weight?
A3: 970mA at 5.1V DC with weight of 0.26 kg (0.57 lbs).

🏷️ Tags: ControlLogix Bridge Module

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  • Follow manufacturer instructions and best practices during installation.

In-stock items are typically dispatched the same business day. For products not currently in stock, dispatch times may vary based on availability. International shipping is available, and shipping costs are calculated according to destination, weight, and carrier selection.

Returns are accepted within 30 days of receipt, provided items are unused and in original condition. Return shipping costs are the responsibility of the customer. Please contact us before returning any item to receive return authorization.

For more details, please review our Shipping & Return Policy.

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