Sale!
Allen-Bradley 2711R-T7T PanelView 800 Graphic Terminal
The Allen-Bradley 2711R-T7T is a 7-inch PanelView 800 HMI featuring a high-resolution touchscreen, extensive protocol support, and robust integration for industrial control systems.
You are here:
Sale!
SKU: 1756-CNBR
Allen-Bradley 1756-CNBR ControlLogix Communication Module
The Allen-Bradley 1756-CNBR is a redundant ControlNet bridge module for ControlLogix systems. It provides 5 Mbps deterministic communication and dual BNC ports for media redundancy. This module supports up to 64 connections and 99 nodes in mission-critical automation environments.
The Allen-Bradley 1756-CNBR serves as a high-performance communication interface for the ControlLogix platform. This bridge module facilitates deterministic data exchange across ControlNet networks. It specifically supports media redundancy through dual BNC connectors. This design ensures continuous system operation if one cable path fails. Engineers utilize this module to connect controllers, I/O chassis, and other ControlNet-enabled devices. It functions effectively in both local and remote chassis configurations.
Technical Specifications
- Manufacturer:Â Rockwell Automation / Allen-Bradley
- Module Type:Â ControlNet Bridge Redundancy Module
- Communication Rate:Â 5 Mbps
- Logix Connections:Â 64 Bidirectional
- Maximum Nodes:Â 99
- Current Draw (5.1V DC):Â 970 mA
- Current Draw (24V DC):Â 1.7 mA
- Power Dissipation:Â 5.1 Watts
- Thermal Dissipation:Â 17.4 BTU/hr
- Slot Width:Â 1 (Single Slot)
- Network Ports:Â 2 BNC (Redundant) and 1 RJ45 (NAP)
Core Functional Characteristics
This module manages scheduled and unscheduled messaging simultaneously. Scheduled traffic provides deterministic delivery for critical control data. Unscheduled traffic handles low-priority tasks like configuration and diagnostics. The 1756-CNBR supports redundant media to maximize network uptime. This feature proves essential for high-availability industrial applications. The integrated Network Access Port (NAP) allows for local programming via a laptop. Users can install the module in any available slot in a ControlLogix chassis.
Application and Integration
The 1756-CNBR acts as a gateway between the backplane and the network. It allows ControlLogix processors to control distributed I/O over long distances. System integrators often deploy this module in process control and manufacturing environments. The bridge supports quad-shield RG-6 coaxial cabling for superior noise immunity. It maintains compatibility with all 1756 series chassis and power supplies. Reliable hardware design ensures stability in harsh electromagnetic conditions.
You may also like
Sale!
Allen-Bradley 1756-L63 ControlLogix Standard Controller
Secure the Allen-Bradley 1756-L63 ControlLogix Standard Controller with 8 MB user memory and integrated RS-232 connection. Brand New, Original Stock with Global Shipping. Minimize plant downtime and optimize your automation system now.
Sale!
Allen-Bradley 1756-L1M2 ControlLogix 5550 Controller Module
The Allen-Bradley 1756-L1M2 is a 1 MB ControlLogix 5550 processor module designed to manage high-speed logic and network communication in industrial control systems.
Sale!
Allen-Bradley 1756-L62S ControlLogix Logix5562 Processor
The Allen-Bradley 1756-L62S is a premium GuardLogix 5562S safety processor. Brand New factory-sealed components are available now with prompt Global Shipping. Replace your critical PLC controller units and ensure reliable safety integrity loop execution immediately.
Sale!
Allen-Bradley 1756-TBNH ControlLogix 20-Pin Screw Terminal Block
The Allen-Bradley 1756-TBNH is a heavy-duty 20-pin NEMA screw-clamp removable terminal block for ControlLogix I/O field installations. Genuine factory original units are in stock now with expedited worldwide delivery options. Safeguard your automation uptime and wiring integrity today.
Sale!
Allen-Bradley 1756-LSP GuardLogix Safety Partner Controller
The Allen-Bradley 1756-LSP is a ControlLogix GuardLogix safety partner co-processor engineered to achieve SIL 3 / PL e safety ratings. Brand new factory original surplus modules are available with quick international delivery. Ensure complete machine safety redundancy and secure your inventory spares today.
Sale!
Allen-Bradley 1756-L55M22 ControlLogix Controller
The Allen-Bradley 1756-L55M22 is a 750 KB ControlLogix Controller. Brand New, Original Stock, Global Shipping available for automated industrial platforms.
Sale!
Allen-Bradley 1756-CN2R ControlNet Communication Module
The Allen-Bradley 1756-CN2R is a high-performance ControlNet bridge for ControlLogix systems. It supports 128 connections and redundant media for maximum uptime. This 5 Mbps module ensures deterministic data delivery for complex industrial automation networks.
Sale!
Allen-Bradley 1756-IB16 Digital I/O Module
The Allen-Bradley 1756-IB16 is a 16-point, 24V DC sinking digital input module for ControlLogix systems. It offers configurable filtering, Change of State detection, and group-to-group isolation to ensure reliable signal acquisition in demanding industrial automation environments.
Sale!
Allen-Bradley 1756-IV16 Digital Input Module
The Allen-Bradley 1756-IV16 is a 16-point digital sourcing input module for ControlLogix chassis. It operates on 12/24V DC, featuring adjustable filter times and 250V isolation. This module provides reliable signal processing for demanding industrial automation environments.
Sale!
Allen-Bradley 1756-PB72 ControlLogix Power Supply
The Allen-Bradley 1756-PB72 is a standard 24V DC power supply for ControlLogix systems. It provides 10A at 5.1V backplane power and features reinforced insulation for safety. This chassis-mounted unit ensures reliable performance in harsh industrial environments.
Sale!
Allen-Bradley 1756-L55M12 Controller Processor
The Allen-Bradley 1756-L55M12 is a Logix5555 controller with 750KB of user memory. It supports multi-network communication including EtherNet/IP and ControlNet for high-performance automation.