Title: Allen-Bradley 1756-DNB ControlLogix DeviceNet Bridge/Scanner Module - High-Performance Industrial Communication

Product Overview:
The Allen-Bradley 1756-DNB is a robust and essential ControlLogix DeviceNet Bridge/Scanner module designed to seamlessly integrate DeviceNet devices into your ControlLogix automation system. As a high-performance DeviceNet master or scanner, this module facilitates efficient data exchange and control between the ControlLogix backplane and a wide array of DeviceNet-compliant sensors, actuators, motor starters, and other intelligent field devices. Engineered for demanding industrial environments, the 1756-DNB enhances system flexibility, simplifies wiring, and provides real-time access to critical process data, making it an indispensable component for modern manufacturing and process control applications. Its advanced capabilities ensure reliable communication and streamlined operations, contributing to improved productivity and reduced downtime.

Key Features & Benefits:

DeviceNet Master/Scanner Functionality: Operates as a DeviceNet master, controlling up to 63 DeviceNet nodes on a single network, enabling comprehensive control over distributed I/O and intelligent devices.
Seamless ControlLogix Integration: Directly mounts into a ControlLogix chassis, providing high-speed communication with the ControlLogix processor via the backplane, ensuring tight synchronization and data integrity.
High-Speed DeviceNet Communication: Supports standard DeviceNet communication rates of 125 kbps, 250 kbps, and 500 kbps, allowing for optimized network performance based on application requirements.
Comprehensive Messaging Support: Handles both Explicit and I/O messaging, facilitating flexible data exchange for configuration, diagnostics, and real-time process control.
Enhanced Diagnostics and Status Indicators: Features on-board LEDs for network status, module status, and I/O activity, providing quick visual troubleshooting and operational insights.
Simplified Configuration: Easily configured using Rockwell Software's Studio 5000 Logix Designer, streamlining setup and integration into existing or new ControlLogix projects.
Reduced Wiring Complexity: Consolidates communication for multiple devices onto a single DeviceNet cable, significantly reducing installation time and material costs compared to traditional point-to-point wiring.
Improved System Reliability: Offers robust industrial design and ODVA conformance, ensuring dependable operation in harsh industrial conditions and interoperability with other DeviceNet products.
Real-Time Data Access: Provides fast and efficient access to DeviceNet device data, enabling precise control, monitoring, and data logging for optimized process management.
Hot-Swap Capability: Supports module replacement while the system is powered, minimizing downtime during maintenance or upgrades.

Applications:

The Allen-Bradley 1756-DNB module is ideal for a broad range of industrial automation applications requiring robust DeviceNet connectivity within a ControlLogix architecture.
Factory Automation: Integrating DeviceNet-enabled sensors, actuators, and motor control centers into assembly lines and manufacturing processes.
Process Control: Connecting field devices in chemical, oil and gas, water/wastewater, and pharmaceutical plants for distributed control and monitoring.
Material Handling Systems: Managing conveyors, sorters, and robotic cells with DeviceNet-enabled components.
Packaging Machinery: Providing communication for intelligent devices in high-speed packaging lines.
Automotive Manufacturing: Facilitating communication between various production equipment and the central ControlLogix system.
Robotics: Interfacing robotic controllers and end-effectors with the main PLC for coordinated movements and data exchange.
Building Automation: Integrating HVAC systems, lighting controls, and security devices in large industrial facilities.

Technical Specifications:

Part Number: 1756-DNB
Part Number (No Special Characters): 1756DNB
Module Type: DeviceNet Bridge/Scanner Module
Platform: ControlLogix
Network Protocol: DeviceNet
DeviceNet Data Rates: 125 kbps, 250 kbps, 500 kbps
Maximum DeviceNet Nodes: 63
Backplane Current Draw @ 5.1V DC: 800 mA
Backplane Current Draw @ 24V DC: 3 mA
Power Dissipation: 4.1 W
Thermal Dissipation: 14.0 BTU/hr
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
Vibration (Operating): 2 g @ 10...500 Hz
Shock (Operating): 30 g (11 ms)
Certifications: UL, c-UL, CE, C-Tick, ODVA Conformance
Weight: Approximately 0.3 kg (0.66 lbs)