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Allen Bradley 1756-CNBR ControlLogix Communication Module
- Product Details
- FAQs
- Related
- Contact Us
- Packing & Delivery
- Product Ratings
Product Introduction
The Allen-Bradley 1756-CNBR is a ControlLogix ControlNet communication module designed to provide robust, real-time network communication between controllers, I/O modules, and other networked devices. This module ensures deterministic data transfer and reliable connectivity for ControlLogix systems, making it suitable for industrial automation networks that require consistent performance under demanding conditions.
The 1756-CNBR module is particularly useful in medium- to large-scale ControlLogix networks, offering stable power consumption, efficient backplane communication, and integration with standard ControlNet topologies.
Product Specifications
| Parameter | Description |
|---|---|
| Product Type | ControlLogix Communication Module |
| Communication Protocol | ControlNet |
| Power Requirements | 1.0 A @ 5.1 VDC, 2 mA @ 24 VDC |
| Module Function | Real-time network communication |
| System Compatibility | ControlLogix chassis and controllers |
| Industrial Rating | Designed for industrial automation environments |
| Power Dissipation | 6.7 W |
| Thermal Dissipation | 22.9 BTU/h |
| Operating Temperature | 0 to 60 °C |
| Storage Temperature | -40 to 85 °C |
| Enclosure Type Rating | Open-style |
| Dimensions | 144.5 × 34.6 × 130.18 mm |
| Weight | 0.293 kg |
Applications
• Used for real-time ControlNet communication in distributed ControlLogix networks
• Suitable for industrial automation systems requiring reliable data transfer between controllers and I/O modules
• Applied in process control, manufacturing, and batch automation systems
• Enables deterministic communication for industrial control and monitoring
• Ideal for applications requiring efficient and stable network operation with standard power consumption
Advantages
• Deterministic data transfer ensures reliable communication across the network
• Low power requirements (1.0 A @ 5.1 VDC, 2 mA @ 24 VDC) minimize energy usage
• Seamless integration with ControlLogix controllers simplifies network setup
• Open-style enclosure allows flexible installation in industrial control panels
• Compact module design optimizes chassis space
• Designed for robust industrial performance in standard operating conditions
FAQ
-
What is the primary purpose of the 1756-CNBR module?
It provides ControlNet communication for ControlLogix controllers and modules. -
What power supply requirements does the module have?
It requires 1.0 A at 5.1 VDC and 2 mA at 24 VDC. -
Is the module suitable for open-style panels?
Yes, it is rated for open-style mounting. -
What is the operating temperature range?
The module operates from 0 to 60 °C. -
Can this module handle large-scale networks?
Yes, it is designed for medium- to large-scale ControlLogix networks. -
Does it support deterministic communication?
Yes, the module provides real-time deterministic data transfer. -
How is the module installed in a ControlLogix system?
It is mounted in a ControlLogix chassis and communicates via the backplane with other modules. -
Does it generate significant heat?
No, power dissipation is 6.7 W with thermal dissipation of 22.9 BTU/h. -
Can it be used in redundant network setups?
Yes, it can be part of a network with redundancy, though redundancy depends on system architecture. -
What are the advantages of using a CNBR module over a standard CN module?
It provides enhanced power stability and reliable deterministic communication for industrial ControlNet networks.
Related Models
| Model | Description |
|---|---|
| 1756-CN2 | Standard ControlNet communication module |
| 1756-CN2R | Redundant ControlNet module |
| 1756-CN2RK | High-performance dual-channel ControlNet module |
| 1756-CNB | Single-channel ControlNet module |
| 1756-CN2E | Enhanced ControlNet communication module |
| 1756-CN2T | ControlNet trunk module |
Popular Models
| Model | Description |
|---|---|
| 1756-L81E | ControlLogix high-performance controller |
| 1756-L83E | Advanced ControlLogix controller |
| 1756-PA75 | ControlLogix AC power supply |
| 1756-A13 | 13-slot ControlLogix chassis |
| 1756-IF16 | 16-channel analog input module |
| 1756-OB16I | 16-channel DC isolated output module |
| Company Information | ||||||||
| [email protected] | ||||||||
| Mobile | +8613666033393 | |||||||
| +8613666033393 | ||||||||
| 13666033393 | ||||||||
| Add | Room 1004, No. 62 Xiangxiu Li, Siming District, Xiamen City, Fujian Province, China | |||||||
Excellent PLC Co., Ltd. has a large number of brand new and original PLC and DCS spare parts, with more than 60 cooperative countries. All products are guaranteed for 1 year and delivered to you by high-quality express. We are committed to using the best products and the most favorable prices to meet the needs and friendship of our customers. We have won the trust of thousands of customers, including these excellent customers.
As for the delivery time, when we receive your order requirements, we will arrange for warehouse personnel to test and verify the products. After you place the order, we will send it to you within 24 hours.
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