Description

The CI871K01 3BSE056797R1 is a high-availability, dual-channel communication interface module manufactured by ABB for its System 800xA and Symphony™ Plus distributed control systems (DCS). This module serves as a critical and robust gateway, specifically engineered to provide a fully redundant Ethernet Global Data (EGD) and SRTP (Scalable Reliable Transport Protocol) interface. Its core function is to enable high-speed, deterministic data exchange between multiple AC 800M high-performance controllers and other supported devices within a peer-to-peer network architecture. The CI871K01 3BSE056797R1 is an essential component for implementing distributed control strategies, facilitating controller-to-controller communication, and ensuring seamless data sharing across large-scale automation systems without overloading the central controller.

Designed for mission-critical applications where system-wide data coherence and availability are paramount, the CI871K01 3BSE056797R1 module’s defining feature is its built-in redundancy with two independent Ethernet channels. This robust design ensures continuous, uninterrupted data exchange even in the event of a single network failure, a critical requirement for processes in industries such as power generation, oil and gas, and large-scale continuous manufacturing. The module integrates natively into the S800 I/O system, where it acts as a high-performance data publisher and subscriber on the control network. The value of the CI871K01 3BSE056797R1 lies in its ability to enhance system resilience, maximize plant-wide data availability, and enable advanced distributed control applications by providing a fault-tolerant infrastructure for high-speed peer-to-peer communication.

CI871K01 3BSE056797R1 ABB

Technical Specifications

Main Features and Advantages

The most significant advantage of the CI871K01 3BSE056797R1 is its integrated high-availability architecture for peer-to-peer controller communication. The dual, independent Ethernet channels provide inherent network redundancy, ensuring continuous data flow critical for synchronized multi-controller applications. The module excels in its implementation of the Ethernet Global Data (EGD) protocol, which provides deterministic, high-performance data exchange between controllers without requiring custom programming or complex client-server setups. Data is exchanged using a efficient producer/consumer (publisher/subscriber) model, where one controller publishes data that multiple other controllers can consume, optimizing network bandwidth and reducing controller loading.

Simplified engineering and robust performance: Configuration of the CI871K01 3BSE056797R1 is fully integrated into ABB’s unified Control Builder engineering environment. The setup of EGD exchanges is highly streamlined through intuitive configuration dialogs that allow engineers to easily define which data points to publish and subscribe to, with automatic validation and consistency checking. The module provides extensive diagnostic capabilities, offering detailed status information on communication health, network activity, and the status of each data exchange. This allows for rapid fault identification and resolution, ensuring high system availability. The robust industrial design, with wide operating temperature ranges and hazardous area certifications, guarantees reliable performance in the most demanding industrial environments, making the CI871K01 3BSE056797R1 a trusted component for mission-critical data sharing.

Application Field

The CI871K01 3BSE056797R1 is strategically deployed in large-scale, distributed process control systems where high-speed, reliable data exchange between multiple controllers is essential. In power generation facilities, the module is used to create redundant communication networks between controllers managing different plant sections—such as turbine control, boiler control, and balance-of-plant systems—ensuring synchronized operation and coordinated safety responses. In oil and gas refineries and petrochemical complexes, the CI871K01 3BSE056797R1 enables seamless data sharing between process units, allowing for plant-wide optimization and emergency shutdown coordination across multiple safety and process controllers.

Within large manufacturing facilities, such as automotive or chemical plants, the module facilitates coordinated control between production lines, material handling systems, and utility systems. In water and wastewater treatment networks, the CI871K01 3BSE056797R1 is used to integrate control across multiple treatment plants, pumping stations, and reservoir systems. The module is particularly valuable in applications requiring controller redundancy schemes or distributed control strategies where multiple controllers need to share state information and process data in real-time without relying on a supervisory-level system for data brokering.

CI871K01 3BSE056797R1 ABB

Related Products

TU833 3BSE013258R1: A high-density S800 I/O unit base designed for communication modules like the CI871K01 3BSE056797R1.

AC 800M Controller (e.g., PM866): The high-performance controllers that utilize the CI871K01 for peer-to-peer communication.

S800 I/O Modules: Various analog and digital I/O modules that reside in the same station.

SD833 3BSE018107R1: A power supply module for the S800 I/O rack.

Industrial Ethernet Switches: Managed switches that support network redundancy protocols for building robust EGD networks.

CI869K01: A high-speed serial communication module for different peer-to-peer protocols.

Control Builder Professional: The engineering software essential for configuring the CI871K01 3BSE056797R1 module and its EGD exchanges.