



Introduction
The ABB CI631 3BSE016347R1 is a high-performance communication interface module designed for complex, distributed automation networks. It serves as a central link between field I/O, subsystem controllers, drive systems, and ABB’s higher-level control platforms. With an architecture optimized for stability and deterministic data exchange, the CI631 supports demanding industrial environments where uninterrupted communication is a priority. Its hardware design reflects ABB’s emphasis on long lifecycle reliability and integration flexibility.
Technical Specifications
The CI631 is engineered for high throughput and consistent communication timing, making it suitable for large-scale process industries with multiple communication layers.
General Specifications
| Parameter | Description |
|---|---|
| Module Type | Communication Interface Module |
| Part Number | CI631 / 3BSE016347R1 |
| Power Supply | 24 V DC nominal |
| Power Consumption | ≤ 6 W |
| Supported Interfaces | ABB system buses, field-level network communication |
| Operating Temperature | 0…55 °C |
| Storage Temperature | –40…70 °C |
| Installation | System rack or cabinet mounting |
| Diagnostics | LEDs for health, link status, communication activity |
| Dimensions | 252 × 273 × 40 mm (H × W × D) |
| Weight | Approx. 1.45 kg |
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