Allen-Bradley 1756-CNBD | ControlLogix ControlNet Bridge Module

Overview

The Allen-Bradley 1756-CNBD is a ControlLogix ControlNet Bridge Module that ensures seamless communication between ControlNet networks and ControlLogix controllers. It optimizes industrial automation by enabling robust and reliable data exchange across devices.

Technical Specifications

• Model Number: 1756-CNBD

• Module Type: ControlLogix ControlNet Bridge Module

• Communication Protocol: ControlNet

• Connection: Ethernet

• USB Port: None

• Amperage Rating: 970 mA at 5.1 VDC, 1.7 mA at 24 VDC

• Isolation Voltage: 30 V Continuous

• Power Dissipation: 5.1 W

• Temperature Range: 0–60°C

• Relative Humidity: 5–95%, non-condensing

• Vibration Resistance: 2 G

• Shock Resistance: 30 G

• Enclosure Type: Open Type

• RFI Suppression: Radiated 10 V/M across 80–2000 MHz, with sine-wave and pulse modulation

Key Features

The 1756-CNBD delivers high reliability and operational efficiency in industrial networks. Its continuous 30V isolation safeguards against electrical disturbances while the open enclosure allows flexible installation in various industrial environments.

Advanced RFI suppression technology ensures the module maintains stable communication even in electrically noisy conditions. Its Ethernet connectivity provides fast and reliable data transfer, critical for real-time automation systems.

This module integrates easily with ControlLogix systems, supporting network redundancy and providing a seamless interface for ControlNet devices. Its robust construction and wide operating temperature range make it suitable for diverse industrial applications, from cold storage to high-temperature production lines.

Industrial Applications

The Allen-Bradley 1756-CNBD is ideal for manufacturing automation, process control, and system integration. It enables optimized resource utilization, enhanced productivity, and reliable communication across complex industrial networks.