ABB S800 I/O Series CI820 3BSE013200R1 Redundant Communication Module

Product Description

The ABB CI820 3BSE013200R1 is a redundant communication interface module designed for the S800 I/O system. It provides secure and fault‑tolerant communication between controllers and field devices, ensuring continuous operation in critical automation environments. 

Technical Specifications

• Product ID: 3BSE013200R1
• Type Designation: CI820
• System Compatibility: ABB S800 I/O system
• Communication Interface: AF100 modem
• Processor Speed: 16 MHz
• Memory: 0.5 MB SRAM, 0.5 FPROM
• Redundancy Requirement: Two CI820 modules must be installed for full redundancy
• Net Weight: 0.512 kg
• Country of Origin: Sweden
• Customs Tariff Number: 85389091
• Replacement Product ID: 3BSE025255R1
• Condition: New, spare part
• Minimum Order Quantity: 1 piece

Key Features

• Redundant communication design for high availability
• Integrated AF100 modem for reliable data transfer
• Compact and lightweight module for rack installation
• Advanced memory architecture for stable performance
• Designed for ABB S800 I/O systems with seamless integration
• Long‑term reliability backed by ABB engineering standards

Application Scenarios

• Distributed control systems requiring redundant communication paths
• Power generation and utility automation
• Process industries such as oil & gas, chemical, and pulp & paper
• Mission‑critical applications where downtime is unacceptable

FAQ

Q: How many CI820 modules are required for redundancy?

A: Two CI820 modules must be ordered and installed to achieve full redundancy.

Q: Is the CI820 backward compatible with earlier ABB modules?

A: Yes, it integrates with the S800 I/O system and can replace legacy communication modules, with the replacement product ID listed as 3BSE025255R1.