Allen-Bradley 1756-CNBR SER D ControlLogix Module

The 1756-CNBR module enables seamless integration of ControlLogix systems with ControlNet networks, providing reliable communication for complex industrial automation applications. Operating at a communication rate of 5 Mbps, it supports up to 64 connections and accommodates a maximum of 99 nodes, ensuring scalability for extensive network architectures. The module offers both scheduled and unscheduled data transfer capabilities, allowing for precise control and timely information exchange. Its redundant media support enhances network reliability by providing alternative communication paths in case of primary network failures. The 1756-CNBR is optimized for use in ControlLogix redundancy systems, presenting diagnostic information via a 4-character display for efficient monitoring and troubleshooting. Installation is straightforward, requiring placement in a ControlLogix chassis with a corresponding power supply.

Features:

• Communication Rate: 5 Mbps
• Connections Supported: Up to 64
• Maximum Number of Nodes: 99
• Current Draw:
  • 5.1V DC: 970 mA
  • 24V DC: 1.7 mA
• Power Dissipation: 5.1 W
• Thermal Dissipation: 17.4 BTU/hr
• Isolation Voltage: 30V (continuous), basic insulation type; ControlNet network to backplane
• Redundant Media Support: Yes
• Diagnostic Display: 4-character alphanumeric
• Operating Temperature: 0°C to 60°C (32°F to 140°F)
• Storage Temperature: -40°C to 85°C (-40°F to 185°F)
• Relative Humidity: 5% to 95% non-condensing
• Certifications: UL, CE, CSA