Description

The CI810B 3BSE020520R1 is a high-performance communication interface module from ABB, designed as a critical component for the company’s S800 I/O system, which is integral to the Symphony™ Plus and Harmony series distributed control systems (DCS). This module functions as a powerful and versatile fieldbus gateway, specifically engineered to provide a robust Profibus DP-V1 slave interface. Its primary role is to enable seamless, real-time data exchange between the central AC 800M high-performance controllers and a vast array of Profibus DP-compatible field devices, such as remote I/O stations, motor starters, variable frequency drives (VFDs), and intelligent sensors. The CI810B 3BSE020520R1 effectively bridges ABB’s control architecture with one of the world’s most widely adopted industrial communication protocols, ensuring interoperability in multi-vendor automation environments.

As a slave interface module, the CI810B 3BSE020520R1 is designed to be polled by an external Profibus DP master (e.g., a primary PLC or DCS from another vendor), providing it with access to process data from the entire S800 I/O station where the module is installed. This allows the S800 I/O station to act as a decentralized, intelligent peripheral subsystem within a larger automation network. The value of the CI810B 3BSE020520R1 lies in its ability to facilitate system integration, reduce wiring costs through networked communication, and enhance data visibility across different control platforms. Its robust design and high data integrity make it an indispensable solution for modernizing and expanding control systems while protecting investments in existing field devices and control assets.

CI810B 3BSE020520R1 ABB

Technical Specifications

Parameter Name	Parameter Value
Product Model	CI810B 3BSE020520R1
Manufacturer	ABB
Product Type	Profibus DP-V1 Slave Communication Interface Module
Fieldbus Protocol	Profibus DP (Decentralized Periphery) compliant to EN 50170, Version DP-V1
Data Transfer Rate	9.6 kbps to 12 Mbps (auto-sensing)
Number of I/O Modules Supported	Up to 48 I/O modules in the local S800 I/O station
Data Exchange	Up to 244 bytes of input data and 244 bytes of output data
Physical Interface	RS-485, 9-pin D-sub female connector
Diagnostics	Comprehensive module and channel-level diagnostics, support for PROFIdrive profile
Isolation	500 V AC (channel-to-channel and channel-to-bus)
Power Supply	Backplane powered via the S800 unit base (24V DC)
Power Consumption	1.5 W typical
Operating Temperature	0°C to +60°C (+32°F to +140°F)
Storage Temperature	-40°C to +85°C (-40°F to +185°F)
Relative Humidity	5% to 95% (non-condensing)

Main Features and Advantages

The CI810B 3BSE020520R1 excels in providing a native and highly reliable Profibus DP-V1 slave interface, ensuring maximum compatibility and performance when integrating ABB’s S800 I/O into a Profibus network. Its support for the extended DP-V1 protocol enables advanced functionalities beyond standard cyclic data exchange, including acyclic communication for parameterization, calibration, and detailed diagnostic reporting, which is crucial for advanced device management and predictive maintenance strategies. The module can map data from a large number of I/O modules (up to 48) into the Profibus process image, making it a highly efficient concentrator for complex I/O clusters.

Advanced engineering and diagnostics: Configuration of the CI810B 3BSE020520R1 is fully integrated into ABB’s Control Builder engineering suite, streamlining the setup process and ensuring error-free mapping of I/O data to the Profibus master. The module features extensive self-diagnostic capabilities and provides detailed status information on both the internal S800 I/O bus and the external Profibus network, allowing for rapid fault identification and resolution. Its robust industrial design, with high levels of electrical isolation and a wide operating temperature range, guarantees stable and noise-immune communication in the most demanding electrical environments. This combination of advanced features, ease of use, and proven reliability makes the CI810B 3BSE020520R1 a superior choice for critical integration projects.

Application Field

The CI810B 3BSE020520R1 is deployed in a wide range of continuous and batch process industries where seamless integration between an ABB Symphony™ Plus or Harmony DCS and a Profibus DP network is required. A primary application is in large-scale oil and gas and petrochemical facilities, where the module is used to integrate third-party packaged units—such as compressor control systems, turbine skids, and analyzer houses—that utilize a Profibus master into the main ABB DCS. This allows for centralized monitoring and control of all subsidiary processes. In the power generation sector, the CI810B 3BSE020520R1 is crucial for connecting balance-of-plant systems, like coal and ash handling or water treatment plants, which are often controlled by Profibus-based PLCs, to the main plant DCS.

Within manufacturing and automotive industries, this module enables the connection of ABB’s S800 I/O to Profibus-based robotic cells and conveyor control systems. In water and wastewater treatment, it integrates intelligent motor control centers (MCCs) and process skids into the central SCADA system. The CI810B 3BSE020520R1 is essentially the strategic linchpin for any greenfield or brownfield project that requires the powerful and reliable I/O processing capabilities of the ABB S800 system to be made available to a overarching Profibus DP master control system, ensuring full plant-wide interoperability and data coherence.

Related Products

TU811 3BSE013240R1 / TU812 3BSE013241R1: Standard S800 I/O unit bases required to mount and connect the CI810B 3BSE020520R1 module to the backplane.

AC 800M Controller (e.g., PM863): The high-performance controller that manages the S800 I/O station where the CI810B module resides.

S800 I/O Modules (e.g., AI810, DI810, AO810, DO810): The various analog and digital I/O modules whose data is made available through the CI810B Profibus interface.

SD821 3BSE018105R1: Redundant power supply module for the S800 I/O rack, ensuring high availability for the CI810B and other modules.

Profibus Network Components: Includes cables, connectors, and repeaters required to establish the physical Profibus network for the CI810B.

CI801: A communication interface module for Modbus RTU/TCP protocols, offering an alternative integration path.

Control Builder Professional: The essential engineering software used to configure and commission the CI810B 3BSE020520R1 module.

CI810B 3BSE020520R1 ABB

Installation and Maintenance

Pre-installation preparation: Before installing the CI810B 3BSE020520R1, ensure all power to the S800 I/O rack is disconnected. Verify the correct unit base is installed and that the Profibus DP master station is configured with the correct GSD (General Station Description) file for the CI810B. Plan the Profibus network address, which is set via the rotary coding switches on the module’s front. Ensure the operating environment is within the specified temperature and humidity ranges.

Maintenance recommendations: The CI810B 3BSE020520R1 requires minimal physical maintenance. Focus on monitoring its operational status through the diagnostic LEDs on the front panel and the diagnostic data available both in the Control Builder software and on the Profibus master. Periodically check the integrity of the Profibus network connection and ensure the 9-pin D-sub connector is secure. Utilize the comprehensive diagnostic capabilities of the CI810B to proactively identify communication errors or network issues, allowing for timely intervention before they impact system performance.