



Introduction
The ABB CI820 3BSE013200R1 Redundant Communication Module is a key component in ensuring robust and reliable communication within ABB's 800xA Distributed Control System (DCS). This module supports redundant communication networks, allowing for uninterrupted data transfer and communication between field devices and the control system, even in the event of a failure in one of the communication channels.
Designed for high availability and fault tolerance, the CI820 is ideal for mission-critical applications in industries such as power generation, oil and gas, and chemical processing, where system uptime is crucial. By providing redundancy at the communication level, the CI820 ensures continuous operation and prevents system downtime, maintaining seamless control over industrial processes.
Technical Specifications
| Feature | Specification |
|---|---|
| Model | CI820 3BSE013200R1 |
| Module Type | Redundant Communication Module |
| Dimensions | 59 × 185 × 127.5 mm |
| Weight | 0.512 kg |
| Communication Protocol | Ethernet, Profibus DP |
| Redundancy | Hot Standby |
| System Compatibility | 800xA Distributed Control System |
| Environmental Range | -20°C to 60°C |
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