★ ★ ★ ★ ★ 5.0 / 5.0
(5 Reviews)

Model Number 1756-CNB/E

ALLEN BRADLEY 1756-CNB/E ControlNet Adapter

Name: 1756-CNB/E
Brand: ALLEN BRADLEY
Rating: 5 (5 reviews)

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Part number: 1756-CNB/E
Brand: ALLEN BRADLEY
Product Type: ControlNet Adapter
Warranty: A one-year warranty is provided by Anadi Automation. [Terms and Conditions apply]
Stock Location: Nashik, India
In Stock Quantity: Unit
Note: We are an independent supplier of ALLEN BRADLEY parts and are not an authorized distributor.

At Anadi Automation, we offer brand new ControlNet Adapter equipment sourced from trusted suppliers.

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1. High-quality genuine products
2. Free quotes available

All products are subject to availability. Please check stock with our team.

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Note: All products, including refurbished and used items, come with a 12-month warranty provided directly by Anadi Automation. This warranty covers parts and labor, but does not include coverage by the original manufacturer.

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At Anadi Automation, all our refurbished spare parts come with a comprehensive 12-month warranty.

Why Choose Anadi Automation:
1. 12-month warranty
2. Free quotes with fast response
3. Subject to availability. Please check stock with our team.

Note: All products, including refurbished and used items, come with a 12-month warranty provided directly by Anadi Automation. This warranty covers parts and labor, but not original manufacturer coverage.

1756-CNB/E Repair Services

If your ALLEN BRADLEY 1756-CNB/E module has been damaged, we can help.

We specialize in fast, reliable repairs to minimize downtime.

Contact us today for expert repair services.

Note: All repairs are handled by Anadi Automation with warranty provided by us. Not from the original manufacturer.

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Alternative Names for 1756-CNB/E

1756CNBE

1756 CNB E

1756-CNB

I756-CNB/E

17S6-CNB/E

175G-CNB/E

1756-CN8/E

Technical specifications for 1756-CNB/E

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

The 1756-CNB/E is a ControlNet Bridge Communication Module from Allen-Bradley’s ControlLogix series. It facilitates high-speed, deterministic data transfer over a ControlNet network, supporting redundant and non-redundant configurations for industrial automation applications.

1. General Information

Manufacturer: Rockwell Automation (Allen-Bradley)
Model Number: 1756-CNB/E
Series: ControlLogix
Device Type: Communication Interface
Communication Interface Type: Bridge Module
Configuration: Supports redundant and non-redundant operation
Mounting Type: Chassis Mount
Mounting Location: 1756 ControlLogix Chassis

2. Electrical & Power Specifications

Backplane Current Consumption:
- 970 mA @ 5.1V DC
- 1.7 mA @ 24V DC
Power Dissipation: 5.14W
Thermal Dissipation: 17.5 BTU/hr

3. Communication & Connectivity

Network Type: ControlNet
ControlNet Communication Rate: 5 Mbps
Max Number of Nodes: 99
Maximum Supported Connections: 64
Communication Ports:
- 1 x BNC connector (for non-redundant media operation)
- 1 x NAP (RJ-45 8-pin with shield) connector
Cable Type: Quad shield RG-6 coaxial cable
Ground Isolation: Transformer-based
Wiring Category: Category 2 (on communication ports)

4. Physical & Environmental Specifications

Slot Width: 1 slot
Weight: 0.260 kg (0.57 lb)
Isolation Voltage:
- 50V continuous withstand rating
- Tested to 500V AC for 60 seconds
Diagnostic Features: Yes

5. Features & Benefits

✅ Reliable Network Communication – Enables high-speed data exchange over ControlNet
✅ Redundancy Support – Ensures fail-safe operation for critical applications
✅ Compact Design – Occupies only 1 slot in the ControlLogix chassis
✅ Supports up to 99 Nodes – Scalable for large industrial networks
✅ Flexible Wiring Options – BNC & RJ-45 connectors for easy installation
✅ Transformer-Based Isolation – Protects against voltage fluctuations

6. Applications

Industrial Automation & Process Control
PLC-to-PLC Communication
SCADA & Distributed Control Systems (DCS)
Motion Control & Robotics
Factory & Machine Control Networks

FAQ

Que1: What is the primary function of the 1756-CNB/E module? ▶

Ans: The 1756-CNB/E is a ControlNet communication bridge module designed to enable deterministic, high-speed data transfer between ControlLogix controllers and other devices on a ControlNet network.

Que2: What network type does the 1756-CNB/E support? ▶

Ans: This module supports ControlNet, operating at 5 Mbps, and can be configured for redundant or non-redundant media communication.

Que3: How many nodes and connections can the 1756-CNB/E handle? ▶

Ans: It supports up to 99 nodes on a ControlNet network and allows for a maximum of 64 connections, enabling robust network scalability.

Que4: What are the power requirements for the 1756-CNB/E? ▶

Ans: It consumes 970 mA @ 5.1V DC and 1.7 mA @ 24V DC, with a power dissipation of 5.14W and thermal dissipation of 17.5 BTU/hr.

Que5: Which communication ports are available on the 1756-CNB/E? ▶

Ans: The module includes 1 BNC connector for non-redundant operation and 1 NAP (RJ-45 8-pin) connector for ControlNet network access.

Que6: What type of cable is required for the 1756-CNB/E module? ▶

Ans: It requires quad-shield RG-6 coaxial cable for reliable data transmission over ControlNet.

Que7: How is the 1756-CNB/E module mounted and in which chassis? ▶

Ans: It is designed for chassis mounting and must be installed in a 1756 ControlLogix chassis, occupying 1 slot.

What Our Customers Say

⭐ 5.0

/5.0

Recommended

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⭐ 5

Excellent communication module, very stable connection.

⭐ 5

Works flawlessly with our control system.

⭐ 5

Great support from Anadi Automation during installation.

⭐ 5

Reliable and easy to configure.

⭐ 5

Delivered on time and works perfectly.