The ABB CI820V1 is a high-reliability S800 Redundant Field Communication Interface (FCI) module designed for ABB industrial automation platforms, including ABB System 800xA, Advant OCS, and S800 I/O systems. It provides a reliable communication bridge between controllers and distributed I/O stations through the Advant Fieldbus 100 (AF100) network, ensuring stable data exchange in critical industrial processes.
Our company supplies the ABB CI820V1 in stock with competitive pricing, providing original and tested refurbished units for power plants, process industries, manufacturing automation, and ABB legacy system maintenance projects.
The CI820V1 (Order Number 3BSE025255R1) is specifically designed as a redundant S800 I/O communication interface. ABB documentation identifies it as an S800 Redundant FCI, supporting redundant communication configurations for high-availability automation systems.
The ABB CI820V1 is a key communication component within ABB’s distributed control architecture. Its main purpose is to connect S800 I/O stations with higher-level controllers, enabling fast and reliable transmission of process data, diagnostic information, and control commands.
In large industrial plants, communication reliability directly affects production stability. The CI820V1 improves system availability by supporting redundant communication paths, allowing automation systems to continue operating even when one communication channel experiences a failure.
The module is widely used in:
ABB designed the CI820V1 for applications where continuous operation, high availability, and fault tolerance are essential.
| Parameter | Description |
|---|---|
| Manufacturer | ABB |
| Model | CI820V1 |
| Order Number | 3BSE025255R1 |
| Product Type | S800 Redundant Field Communication Interface |
| System Platform | ABB System 800xA / Advant OCS |
| Communication Protocol | Advant Fieldbus 100 (AF100) |
| Communication Type | Redundant fieldbus communication |
| Memory | 0.5 MB SRAM |
| Flash Memory | 0.5 MB FPROM |
| Processor Frequency | 16 MHz |
| Modem Interface | 1 × AF100 modem |
| Power Supply | 24 VDC system supply |
| Weight | Approximately 0.6 kg |
| Installation | ABB S800 I/O station configuration |
The primary function of the CI820V1 is to provide communication between ABB controllers and S800 I/O modules through the AF100 fieldbus network.
The redundant design allows two communication interfaces to work together, improving system availability and reducing the risk of communication interruptions.
This feature is especially valuable in industries where even short downtime periods can result in significant production losses.
The CI820V1 works as the communication gateway between control processors and remote I/O modules.
It enables controllers to receive:
Through this communication structure, operators and control systems can monitor and manage industrial processes efficiently.
Industrial facilities such as power stations and chemical plants require automation systems that can operate continuously.
The ABB CI820V1 supports redundant architecture to improve:
When paired with appropriate redundant components, it helps maintain uninterrupted control operation.
The CI820V1 uses ABB’s Advant Fieldbus 100 communication technology, which is designed for industrial process control applications requiring stable and deterministic data transmission.
It provides dependable communication between field-level equipment and centralized control systems.
The module is compatible with ABB automation platforms including:
This makes it an important spare part for maintaining existing ABB control installations.
Continuous process industries depend on accurate and stable data communication.
The module supports:
Factories use distributed I/O architectures to connect sensors, actuators, and machines.
The CI820V1 helps maintain reliable communication between field devices and control systems.
Our company specializes in supplying industrial automation spare parts, including ABB DCS modules, PLC components, robot parts, and control system hardware.
For the ABB CI820V1, we provide:
We understand that industrial customers need fast and reliable spare parts to avoid costly production interruptions. Our supply capability helps customers maintain stable operation of critical automation systems.
The ABB CI820V1 S800 Redundant Field Communication Interface is an essential communication module for ABB distributed control systems. With its redundant AF100 communication capability, strong system compatibility, and industrial-grade reliability, it provides a dependable solution for maintaining high-availability automation networks.
