Product Description
Foxboro P0971WV Invensys I/A Series DNBT Dual Node Bus Module
Product Overview
- The Foxboro P0971WV, also known as the DNBT (Dual Node Bus Module), is a communication module from the Invensys I/A Series (now part of Schneider Electric's EcoStruxure Foxboro DCS). This module facilitates high-speed, reliable communication between I/A Series control processors, Fieldbus Modules (FBMs), and other system components over the Nodebus network. It is used in industrial automation applications, including oil and gas, chemical processing, and power generation, to ensure robust data exchange and system integration within the I/A Series distributed control system.
Technical Specifications
- The P0971WV DNBT has the following specifications based on industry sources and Foxboro documentation:
| Specification | Details |
|---|---|
| Model/Part Number | P0971WV (DNBT) |
| Manufacturer | Foxboro (Invensys, now Schneider Electric) |
| Description | I/A Series Dual Node Bus Module |
| Series | Invensys I/A Series |
| Function | Facilitates communication between I/A Series components over Nodebus network |
| Communication Interface | Dual Nodebus ports (redundant communication) |
| Communication Protocol | Proprietary I/A Series Nodebus protocol |
| Data Rate | Up to 2 Mbps (Nodebus standard) |
| Redundancy | Supports redundant configuration for fault-tolerant communication |
| Connectors | DB-9 or proprietary connectors for Nodebus (configuration-dependent) |
| Power Supply | 24 VDC (supplied via I/A Series backplane) |
| Power Consumption | Approx. 5–8 W |
| Environmental Specifications | Ambient Temperature: 0°C to +60°C Storage Temperature: -40°C to +85°C Relative Humidity: 5% to 95% non-condensing Shock: 15 g, 11 ms Vibration: 1 g, 10–500 Hz |
| Dimensions | Approx. 170 mm (H) x 35 mm (W) x 150 mm (D) (standard I/A Series module size) |
| Weight | Approx. 0.5–0.7 kg |
| Mounting | Plugs into I/A Series baseplate or rack |
| Certifications | CE, UL, CSA, suitable for non-hazardous environments |