Allen Bradley 1756-CN2R Industrial Equipment
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8615305023276 | |||||||
| +8615305023276 | ||||||||
| 15305023276 | ||||||||
| Add to | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Technical Specifications
| Parameter | Specification |
|---|---|
| Product Type | Industrial Equipment |
| Model | 1756-CN2R |
| Category | ControlLogix Communication Module |
| System Compatibility | Allen-Bradley ControlLogix system |
| Function | Redundant ControlNet communication interface module |
| Communication Protocol | ControlNet |
| Network Ports | 2 × ControlNet BNC ports (dual-channel A/B) |
| Data Transfer Rate | 5 Mbps (ControlNet standard) |
| Redundancy | Yes (dual media / redundant architecture) |
| Supported Nodes | Up to 99 nodes (network dependent) |
| Logix Connections | Up to 128 connections |
| Communication Type | Scheduled I/O, unscheduled messaging, peer-to-peer |
| Isolation | Electrical isolation between backplane and network |
| Backplane Power | Supplied via ControlLogix chassis |
| Power Consumption | Approx. 6.7 W |
| Current Draw | ~1300 mA @ 5.1 V DC |
| Mounting Type | ControlLogix chassis slot |
| Slot Width | 1 slot |
| Operating Temperature | 0°C to 60°C |
| Storage Temperature | -40°C to 85°C |
| Humidity | 5–95% non-condensing |
| Dimensions (W × H × D) | Approx. 145 mm × 140 mm × 140 mm |
| Weight | Approx. 0.29 kg |
| Housing Material | Industrial-grade metal-reinforced enclosure |
| Certifications | CE / UL compliant |
FAQ
What is the 1756-CN2R used for?
It is used to connect ControlLogix PLC systems to a ControlNet network with redundancy support for higher reliability.
What does the “R” mean in CN2R?
The “R” indicates redundant communication capability using dual ControlNet channels.
How is it different from CN2 (non-R)?
The CN2R supports redundant network paths, improving fault tolerance compared to single-channel CN2 modules.
What communication speed does it support?
It operates at the standard ControlNet speed of 5 Mbps.
How many devices can it support?
It supports up to 99 nodes depending on network configuration.
Does it require external power?
No. It is powered through the ControlLogix chassis backplane.
What kind of applications use it?
It is used in high-availability industrial systems such as oil & gas, manufacturing, and process control where network redundancy is critical.
Is it still widely used today?
It is primarily found in existing ControlNet-based legacy systems, with newer installations shifting toward Ethernet/IP architectures.
Allen Bradley 1756-CN2R Industrial Equipment is in stock. Please contact us for a quick quote and competitive pricing.
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8615305023276 | |||||||
| +8615305023276 | ||||||||
| 13950166376 | ||||||||
| Add to | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Company Introduction
Xiamen Shengruite Trading Co., Ltd. is a company specializing in the supply of industrial PLC spare parts.
We provide high-quality PLC spare parts to customers in the global manufacturing, energy and power, chemical and other fields.
Since its establishment in 2011, after 13 years of rapid development, the cumulative global shipments have reached 223,650 pieces, with an annual output value of US$50 million.
Successfully served more than 500 customers in more than 100 countries and regions including Saudi Arabia, UAE, the United States, Europe, Africa, and Southeast Asia
Our Mission
Provide customers with the best quality PLC spare parts and the fastest delivery service to ensure that their industrial automation systems are always in the best operating condition.
We provide a 1-year warranty service, and we support returns and exchanges for any issues to ensure your rights and interests are fully protected.
We can provide detailed product images upon request, and our team can arrange warehouse photos for confirmation to ensure you have all the information you need before making a purchase.
Shipping times vary depending on your location. With the support of our 16 global warehouses, we strive to deliver orders as quickly as possible. Contact us to get an estimated delivery time for your specific location.
The minimum order quantity (MOQ) is typically one unit. However, for larger orders, please contact us for potential discounts and pricing details.
Yes, we offer competitive pricing for bulk purchases. Please reach out to our sales team with the specifics of your order to receive a custom quote.
We accept various payment methods for wholesale orders, including bank transfers (T/T), letters of credit, and other options upon agreement. For large transactions, please contact us directly for payment terms.
Yes, we offer flexible ordering options for both small and large quantities. Whether youre looking for a single unit or a large batch, we can accommodate your needs.
We occasionally offer promotional discounts for new wholesale customers. Contact us to learn more about any current offers available for first-time buyers.
If you are unsure of compatibility with your existing setup please provide your system details and our support team can verify compatibility prior to purchase.
Returns are accepted within 30 days if the product is unused, unopened, and in its original packaging. Please note that return shipping and associated costs are the buyer\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\\’s responsibility.
Yes, we offer technical support for the installation and integration of our products. Our team can assist with setup, configuration, and troubleshooting to ensure a smooth installation.
