
Allen-Bradley 1756-CNBR/E: ControlNet Redundant Bridge Module (Series E)
Overview:
The Allen-Bradley 1756-CNBR/E is a ControlNet bridge module used in ControlLogix systems. It provides redundant high-speed communication between ControlNet networks, ensuring network reliability and uptime. This module is part of the Series E ControlNet modules, known for their improved performance and features compared to previous series.
Features:
Dual ControlNet ports: Offers redundant communication paths, automatically switching to the backup connection in case of a primary network failure.
High-speed communication: Supports data transfer rates up to 5 Mbps, ensuring efficient data exchange between networks.
Bandwidth management: Allows configuration of data transmission priorities for critical data, optimizing network performance.
Diagnostics and monitoring: Provides detailed information about network status, including error messages and performance metrics.
Ring topology support: Enables creation of self-healing ControlNet networks for enhanced fault tolerance.
Standalone operation: Can function independently without requiring a ControlLogix processor, offering flexibility in network setups.
Series E enhancements: Includes improved diagnostics, expanded memory, and faster scan times compared to previous models.
Applications:
Industrial automation systems: Ideal for applications requiring high availability and reliable communication, such as:
Manufacturing production lines
Process control systems
Power generation and distribution networks
Building automation and HVAC systems
Large-scale ControlNet networks: Suitable for connecting multiple ControlNet segments across wide areas, ensuring seamless data flow.
Mission-critical applications: Where network downtime can lead to significant costs or safety risks, the redundancy offered by the 1756-CNBR/E is crucial.
FAQ & Contact:
Q: Are you a trading company or a manufacturer?
A: We are a trading company.
Q: What is your lead time?
A: Usually, it takes one to three days if the item is in stock. Negotiations are necessary if the goods are not readily available.
Q: Does your company provide samples? Are they free or do you charge extra?
A: It depends on the specific goods needed and the order quantity.
Q: What are your terms of payment?
A: Payment terms are 100% T/T before shipping. For larger quantities, we can negotiate.
SHIPPING:
🚀 For items in stock, we'll ship within 3 days of payment receipt.
🌍 Worldwide shipping via DHL, UPS, FedEx, TNT, and EMS.
🚢 Notify us if you have a specific shipping agent.
📦 We'll securely pack the parts. If you have special requirements, please let us know.
🕓 Typically, we ship before 4:30 PM and provide a tracking number afterward. Expect delivery in 7-15 days.
✉️ When you receive the package, please inform us.
📋 To speed up the process, include the following shipping information:
1). Your zip code.
2). Your company name and contact details.
Company Service:
🚚 Swift delivery (1-3 days for in-stock products)
🔧 Experienced team (Over 10 years of sales expertise)
📦 Extensive inventory (Diverse brands and overseas warehouse)
🛡️ Quality assurance (Products with clear condition and a 1-year warranty)
Connect with Us
📞 Phone: +86 18857985841
📧 Email: sales@controltech-supply.com
💬 Skype: +86 18857985841
📱 WhatsApp: 8618857985841
🕒 Business hours: 24/7 Online Support
🏠 Address: 1100 Linjiang East Road, Bailongqiao, Wucheng District, Jinhua City, Zhejiang Province
More Products In Stock:
| Brand | Part Number |
|---|---|
| Allen-Bradley | 1769-L33ER/A |
| Allen-Bradley | 1769-L19ER-BB2B |
| Allen-Bradley | 1769-PA2 |
| Allen-Bradley | 1769-IQ32 |
| Allen-Bradley | 1769-L30 |
| Allen-Bradley | 1769-L36ERMS |
| Allen-Bradley | 1769-OF8V |
| Allen-Bradley | 1769-L23E-QB1B |
| Allen-Bradley | 1769-OV16 |
| Allen-Bradley | 1769-IT6 |
| Allen-Bradley | 1769-L19ER-BB1B |
| Allen-Bradley | 1769-PA4 |
| Allen-Bradley | 1769-L33ERMS |
| Allen-Bradley | 1769-BA |
| Allen-Bradley | 1769-IF16C |
| Allen-Bradley | 1769-OF4VI |
| Allen-Bradley | 1769-OF4 |
| Allen-Bradley | 1769-SM1 |
| Allen-Bradley | 1769-ECR |
| Allen-Bradley | 1769-L33ER |
| Allen-Bradley | 1769-OB16 |
| Allen-Bradley | 1769-OF2 |
| Allen-Bradley | 1769-L32E |
| Allen-Bradley | 1769-L35E |
| Allen-Bradley | 1769-IQ6XOW4 |
| Allen-Bradley | 1769-L36ERM |
| Allen-Bradley | 1769-L31 |
| Allen-Bradley | 1769-OA8 |
| Allen-Bradley | 1769-IQ32T |
| Allen-Bradley | 1769-IQ16 |
| Allen-Bradley | 1769-OB32 |
| Allen-Bradley | 1769-L35CR |
| Allen-Bradley | 1769-PB2 |
| Allen-Bradley | 1769-L30ER |
| Allen-Bradley | 1769-L20 |
| Allen-Bradley | 1769-BOOLEAN |
| Allen-Bradley | 1769-L34ER |
| Allen-Bradley | 1769-IM12 |
| Allen-Bradley | 1769-L24ER-QB1B |
| Allen-Bradley | 1769-CRL1 |
| Allen-Bradley | 1769-IF4XOF2 |
| Allen-Bradley | 1769-SM2 |
| Allen-Bradley | 1769-OV32T |
| Allen-Bradley | 1769-L31ER-NSE |
| Allen-Bradley | 1769-OW8 |
| Allen-Bradley | 1769-OF8C |
| Allen-Bradley | 1769-OF5 |
| Allen-Bradley | 1769-IR6 |
| Allen-Bradley | 1769-L23-QBFC1B |
| Allen-Bradley | 1769-L24ER-QBFC1B |
| Allen-Bradley | 1769-IF4 |
| Allen-Bradley | 1769-OW16 |
| Allen-Bradley | 1769-ASCII |
| Allen-Bradley | 1769-L30ER-NSE |
| Allen-Bradley | 1769-ECL |
| Allen-Bradley | 1769-ADN |
| Allen-Bradley | 1769-2WS |
| Allen-Bradley | 1769-CRL3 |
| Allen-Bradley | 1769-OW8I |
| Allen-Bradley | 1769-L32C |
| Allen-Bradley | 1769sc-IT6I |
| Allen-Bradley | 1769-OA16 |
| Allen-Bradley | 1769-CRR3 |
| Allen-Bradley | 1769-ARM |
| Allen-Bradley | 1769SC-IF4IH |
| Allen-Bradley | 1769-L33ERM |
| Allen-Bradley | 1769-IF8 |
| Allen-Bradley | 1769-IF4FXOF2F |
| Allen-Bradley | 1769sc-IF8u |
| Allen-Bradley | 1769-IA8I |
| Allen-Bradley | 1769-PB4 |
| Allen-Bradley | 1769-L27ERM-QBFC1B |
| Allen-Bradley | 1769-WS |
| Allen-Bradley | 1769-IQ16F |
| Allen-Bradley | 1769-RTBN18 |
| Allen-Bradley | 1769-CLL3 |
| Allen-Bradley | 1769-OB8 |
| Allen-Bradley | 1769-AENTR |
| Allen-Bradley | 1769-L23E-QBFC1B |
| Allen-Bradley | 1769-OB32T |
| Allen-Bradley | 1769-L18ER-BB1B |
| Allen-Bradley | 1769-IF16V |
| Allen-Bradley | 1769-IA16 |
| Allen-Bradley | 1769-OF4CI |
| Allen-Bradley | 1769-RTBN10 |
| Allen-Bradley | 1769-SDN |
| Allen-Bradley | 1769-OB16P |
| Allen-Bradley | 1769-L16ER-BB1B |
| Allen-Bradley | 1769-CRR1 |
| Allen-Bradley | 1769-HSC |
Product Condition
Factory New: New, current-production products sourced directly from the manufacturer.
New in Sealed Package: Unused products supplied in their original, factory-sealed packaging.
New in Original Package: Unused products supplied in original manufacturer packaging that was not factory-sealed.
Warranty
Products are covered by a 12-month warranty unless otherwise specified in the quotation or product listing. If a product has a quality issue, it can be exchanged within 12 months or refunded in full in cash. Contact our sales team with your order details if you require warranty assistance.
Shipping Information
In-Stock Items: Same-day dispatch is available for most in-stock orders with cleared payment received before 2:00 PM (UTC+8).
Indent Items: Typical lead time is 1–3 weeks, depending on availability and product scarcity.
Customs & Documentation
International shipments are prepared with a commercial invoice, packing list and available supporting documents. Consignee details, declared value and shipping terms are confirmed before dispatch. Tracking information is provided after shipment.
Payment
Payment is accepted by bank wire transfer only, in USD, EUR, GBP or RMB/CNY. Credit cards and credit terms are not accepted. Cleared payment is required before dispatch unless otherwise agreed in writing.
30-Day Returns
We accept return requests within 30 days of delivery for international orders, subject to our return policy.
To qualify, products must be unused, in their original condition and packaging, with proof of purchase.
How to Request a Return
Contact our sales team with your order number, product details and reason for return. Please obtain return authorization and the correct return address before shipping any items back. Returns are made by mail. Return shipping is not free. It is charged at the actual international air-freight cost based on weight and volume.
Refunds are processed according to our published return and refund policy after the returned items have been reviewed.
Quality issues
Quality issues are covered by the 12-month warranty. Within 12 months, a quality issue can be exchanged or refunded in full in cash.
For full terms, please refer to our Refund Policy.
Frequently ask questions
Click Request a Quote on the product page and provide the part number, quantity, and destination country. Our sales team will reply with availability, pricing, and estimated delivery time.
We supply original industrial automation parts in different new-product conditions, including Factory New, New in Sealed Package, and New in Original Package. The condition of each item is specified in...
Yes. We source obsolete and hard-to-find PLC, DCS, and industrial control components. Send us the exact part number and required quantity so we can check availability.
Most in-stock orders with cleared payment received before 2:00 PM (UTC+8) qualify for same-day dispatch. Indent items typically require 1–3 weeks, depending on availability.
Yes. We ship industrial automation spare parts worldwide. Shipping costs and transit times depend on the destination, package weight, dimensions, and local import requirements.
We commonly ship through DHL, FedEx, UPS, and other international courier services. The carrier is selected based on the destination, shipment size, and delivery requirements.
We accept bank wire transfers in USD, EUR, GBP, and RMB/CNY. Full cleared payment is required before shipment unless otherwise agreed in the written quotation.
Products generally include a 12-month warranty unless otherwise stated in the quotation or product listing. Contact our team with your order details for warranty assistance.
Eligible products may be returned within 30 days of delivery, subject to our return policy. Contact our team for return authorization and instructions before sending any items back.
Yes. Tracking details are provided after dispatch. Commercial invoices, packing lists, and available supporting documents are prepared for international shipments.