Allen Bradley 1756 CNBR

Allen Bradley 1756 CNBR
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Brand:Allen Bradley
Model:1756 CNBR
Inventory situation: Goods are available in stock.
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Description
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Allen Bradley 1756 CNBR

 

Brand:Allen Bradley
Model:1756 CNBR

Allen Bradley 1756 CNBR
PLC 1756-CNBR

Inventory situation: Goods are available in stock.

 

Application scenarios

 

In automotive manufacturing, the 1756 CNBR is essential in vehicle assembly lines. It connects PLCs and RFID readers to identify vehicle models and manage positioning systems. For example, in a vehicle plant, the module integrates with EtherNet/IP protocols to ensure proper automobile body transfer across workstations. This real-time communication decreases errors while increasing manufacturing efficiency.

 

The metallurgical industry also benefited from the CNBR of 1756. In steel factories, it connects PLCs to frequency converters in blast furnaces, allowing for more reliable temperature and material flow management. The module's redundant ControlNet ports ensure uninterrupted operation even if one network fails, avoiding costly downtime.

 

The 1756 CNBR is required in water treatment plants to monitor and manage operations such as filtration and disinfection. It connects several PLC stations to control water quality and pumping systems. The module's use of fiber-optic connections ensures great reliability in long-distance communication, making it appropriate for large-scale installations.

 

Dimensions and Specifications

 

Device Dimensions

100 x 153 x 24 mm (W * H * D)

Weight

Approximately 0.45 kg

Power Supply Voltage

24 V DC

Input Current

0.1A

Power Consumption

2.5 W

Operating Temperature Range

-20 to 60 °C

Storage Temperature Range

-40 to 85 °C

Storage Humidity

5 to 95% (no condensation.)

Come With

Programmable LED indicator

 

Product features

 

The Allen Bradley 1756-CNBR is a high-performance ControlLogix communication module intended for industrial automation systems. It functions as a ControlNet bridge, connecting ControlLogix controllers to other devices and enabling smooth data flow in the manufacturing, energy, and water treatment industries. This module supports redundant ControlNet networks, which means it can keep communicating even if one fails, making it perfect for essential processes that require 24-hour availability.

 

With two ControlNet ports, the 1756-CNBR may connect to both regular and redundant media. It communicates at a rate of 5 Mbps and can support up to 40-48 Logix connections and 99 nodes. This makes it ideal for large-scale systems requiring real-time data interchange, such as car assembly lines or chemical processing plants. The module also includes a Network connectivity Port (NAP) for simple programming and diagnostics, with an RJ45 interface for direct connectivity.

 

The 1756-CNBR is designed to survive tough industrial settings and operates at temperatures ranging from 0°C to 60°C. It is UL, CE, and RoHS approved. Its tiny size (5.51 x 4.41 x 5.71 inches) allows it to fit into ControlLogix racks such as the 1756-A4 or 1756-A7, using only one slot. The module is powered by the backplane and draws 970 mA at 5.1V DC. It also has real-time status LEDs to check network health.

 

By integrating with Studio 5000 software, users can configure the 1756-CNBR to handle protocols such as Ethernet/IP, TCP/IP, and CIP, allowing it to communicate with a wide range of industrial devices. Its redundant capabilities and diagnostic functions help to reduce downtime by automatically detecting faults and redirecting data. Whether upgrading an existing system or designing a new one, the 1756-CNBR provides a versatile and dependable option for industrial network communication.

 

About Us

 

Rooted in the field of electronic components for nearly a decade, Shenzhen Chentuo Technology Co., Ltd. has accumulated profound strength. Our main products are rich and diverse, covering various electronic products such as electronic components for automation control, touch screens, frequency converters, and so on. With years of accumulated professional experience and consistent dedicated service, we have won the trust and support of numerous customers.

 

We always adhere to the belief of "creating maximum benefits for customers," which serves as the driving force and guiding principle for our progress. Chentuo is full of enthusiasm and looks forward to working hand in hand with you to jointly explore a broader market.

 

Here, we solemnly promise that every product sold by our company is brand new, original, and genuine. At the same time, all products come with a one-year after-sales warranty service, eliminating your worries. If any quality problems occur with the product you purchased within 30 days, there is no need to worry, and you can apply for a refund at any time.

 

FAQ

Q: What is the Allen Bradley 1756 CNBR used for?

A: The Allen-Bradley 1756-CNBR is a ControlNet communication module designed for industrial automation systems. It connects ControlLogix controllers to ControlNet networks, enabling high-speed data exchange between devices like sensors, actuators, and other PLCs. Its redundant ControlNet ports ensure reliable communication even if one network path fails, making it ideal for critical applications like manufacturing lines or process control systems.

Q: Can the 1756 CNBR be used in redundant ControlNet networks?

A: Absolutely. Its two ControlNet ports support redundant media, allowing the network to switch to a backup path if the primary fails. This feature is crucial for systems that cannot tolerate downtime, such as oil refineries or automotive assembly lines.

Q: What is the difference between the 1756 CNBR and 1756 CNB?

A: The 1756 CNBR has two ControlNet ports (one BNC and one RJ45), while the 1756 CNB has only one BNC port. The CNBR's extra port enables redundant network configurations, making it more reliable for critical operations.

Q: Where can I find technical documentation for the 1756 CNBR?

A: Download the user manual from Rockwell Automation's official website or contact their support team. The manual includes detailed specifications, wiring diagrams, and troubleshooting guides.

Q: What industries benefit most from the 1756 CNBR?

A: It's widely used in manufacturing, oil and gas, pharmaceuticals, and food processing-any industry requiring high-reliability, real-time communication between industrial devices.

 

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