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Part Number: 1756-CNB/E

Model Number: 1756-CNB/E

ALLEN BRADLEY 1756-CNB/E ControlNet Adapter

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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

Save More with Refurbished Parts Opting for refurbished items can lead to significant savings compared to purchasing brand-new ones.

At Anadi Automation, all our refurbished spare parts come with a comprehensive 12-month warranty provided by us, ensuring your peace of mind.

Why Choose Anadi Automation:
1.12-month warranty by Anadi Automation
2.Free quotes with fast response times
3.Equipment is 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 does not include coverage by the original manufacturer

1756-CNB/ERepair Services If your ALLEN BRADLEY 1756-CNB/E module has been damaged during factory use, we are here to help.

At Anadi Automation, we specialize in fast, reliable repairs to help you minimize downtime and reduce costs.

Contact us today for expert 1756-CNB/E repair services and get your operations back on track quickly!

Note:All repairs are handled by Anadi Automation with a warranty provided by us. This warranty does not come from Manufacturer, and we are not affiliated with any brands in providing this warranty.

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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.

Que8: Is the 1756-CNB/E module suitable for industrial environments? ▶

Ans: Yes, it features transformer-based isolation (50V withstand) and is tested to 500V AC for 60 seconds, ensuring safe operation in industrial conditions.

Testimonial

⭐ 4.99

/5.0

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