Description
Foxboro DNBI
Technical Specifications
- Interface Type: DeviceNet Communication Gateway.
- Communication Protocol: Redundant 2 Mbps Module Fieldbus / DeviceNet.
- Baseplate Compatibility: Foxboro 200 Series standard baseplate.
- Node Capacity: Supports multiple DeviceNet slave devices per module.
Key Features
- High-Speed Protocol Translation: Hardware-accelerated communication processing to minimize latency between the DCS and DeviceNet devices.
- High Throughput: Supports concurrent data exchange with numerous field devices, reducing controller CPU load.
- Redundant Communication: Eliminates single points of failure in the communication path.
- Comprehensive Diagnostics: Monitors bus health, reporting communication timeouts, device dropouts, and cable faults.
Application Scenarios
Widely used in large-scale process plants to integrate third-party equipment, motor control centers (MCCs), and specialized DeviceNet devices into the central Foxboro DCS.
Performance Parameters
- Operating Temperature: 0°C to 60°C
- Protection Rating: IP20
- Power Supply: 24 VDC backplane supply.
- Communication Rate: Supports standard DeviceNet baud rates (125K, 250K, 500K).
Material Composition
Constructed with high-reliability industrial-grade components, featuring strict EMC design and protective coatings for stable operation in electrically noisy environments.
Structural Characteristics
Standard 200 Series FBM single-width form factor. Includes clear channel status LEDs and utilizes a designated Terminal Assembly for robust field connections.
Operating Principle
Receives control commands from the I/A Series controller, translates them into the DeviceNet protocol, and cyclically polls slave devices to update the DCS database with real-time process data.
Installation Requirements
Mount on a compatible 200 Series baseplate. External DeviceNet cabling must use appropriate shielded thick/thin cables with proper termination and biasing.
Usage Precautions
Ensure unique MAC IDs are assigned to all connected DeviceNet devices. Verify that the configured baud rate matches the physical network settings. Strictly adhere to ESD handling procedures.
