Description
Product Introduction: 3BSE025255R1 CI820V1
1. Product Overview
The 3BSE025255R1 CI820V1 is a high-performance fieldbus communication module manufactured by ABB. It serves as a Profibus DP Redundant Link Module, designed to facilitate seamless conversion between single-network and dual-network Profibus DP configurations. This module enhances communication reliability and redundancy in industrial automation systems, ensuring uninterrupted operation even in critical environments.

ABB 3BSE025255R1 CI820V1 redundant fieldbus interface module
2. Key Features
Mechanical Specifications
- Dimensions: 132 mm × 105 mm × 52 mm
- Enclosure Protection Rating: IP30, with a corrugated aluminum reinforced housing for superior electromagnetic interference (EMI) shielding and mechanical robustness.
- Mounting: 35 mm DIN rail installation for easy integration into control cabinets.
- Net Weight: Approximately 800 g
Operating Environment
- Operating Temperature: -10°C to 70°C (extended range: -40°C to +85°C available), suitable for harsh industrial conditions.
- Relative Humidity: ≤90% (non-condensing), preventing moisture-related damage.
- Storage Temperature: -40°C to 80°C, ensuring stability during transportation and long-term storage.
Communication Capabilities
- Profibus DP Redundancy Support: Enables conversion between single-network and dual-network Profibus DP setups, as well as mutual conversion between dual-network DP and single-network DP.
- Application Scenarios: Widely used in manufacturing automation, process industry automation, and building, transportation, power, and other industrial automation sectors.
Testing and Certifications
- IEC 61000-4-2 (ESD): Air discharge ±8 kV, contact discharge ±4 kV, ensuring robust electrostatic discharge (ESD) protection.
- IEC 61000-4-3 (RS): 10 V/m (80 MHz to 1 GHz), resistant to radiated electromagnetic interference.
- IEC 61000-4-4 (EFT): Power lines ±2 kV, data lines ±1 kV, protecting against electrical fast transient (EFT) bursts.
- IEC 61000-4-5 (Surge): Power lines ±1 kV (line-to-line), ±2 kV (line-to-ground), data lines ±0.5 kV, safeguarding against voltage surges.
- IEC 61000-4-6 (CS): 10 V (150 kHz to 80 MHz), resistant to conducted interference.
- IEC 61000-4-8 (MS): Long-term 30 A/m, short-term 300 A/m, protecting against magnetic field interference.
- IEC 61000-4-11 (Dips): Compliant with standards for voltage dips and short interruptions.

ABB 3BSE025255R1 CI820V1 redundant fieldbus interface module
3. Application Areas
Manufacturing Automation
- In automotive manufacturing, electronics assembly, and other production lines, the CI820V1 ensures high-reliability communication between devices, maintaining process continuity and stability.
Process Industry Automation
- Suitable for distributed control systems (DCS) in chemical, petroleum, and power industries, enhancing system reliability and safety through redundant communication.
Building Automation
- Used in smart buildings to connect HVAC, lighting, security, and other subsystems, enabling centralized monitoring and efficient management.
Transportation Automation
- Applied in signaling control and equipment monitoring for subways, high-speed rail, and other transportation systems, ensuring operational safety and reliability.
4. Advantages and Value
High Reliability
- Supports Profibus DP redundancy, preventing communication interruptions caused by single-point failures and improving system availability.
Flexible Scalability
- Modular design allows easy integration into existing systems, supporting multiple industrial network protocols to meet diverse application needs.
Strong Interference Resistance
- Passes rigorous IEC testing certifications, adapting to harsh industrial environments and ensuring stable communication.
Easy Maintenance
- Supports hot-swapping and plug-and-play functionality, reducing downtime and lowering maintenance costs.
The 3BSE025255R1 CI820V1 is an ideal solution for industries requiring robust, reliable, and redundant communication in automation and control systems, delivering unparalleled performance and peace of mind.

