ABB CI820 – S800 Redundant Communication Module (3BSE013200R1)

The ABB CI820 (3BSE013200R1) is a reliable redundant communication interface module designed for use with the S800 I/O system. It ensures high-availability communication between field devices and control systems by enabling redundant communication paths, which significantly reduces downtime in critical applications.

Built in Sweden, the CI820 is a smart choice for users seeking uninterrupted data transmission and added safety in distributed control systems (DCS).

✅ Note: This module is replaced by CI820V1 (3BSE025255R1) for newer systems.

Key Features:

• Redundant Communication: Ensures fail-safe I/O communication

• Supports S800 I/O: Seamless integration into ABB’s S800 I/O family

• High Availability: Reduces the risk of communication failure in critical applications

• Ready to Use: Available as a standard product, not made to order

Applications:

• Distributed control systems (DCS)

• Power plants and substations

• Oil & gas facilities

• Process automation industries