Description

The CI868K01-EA is a high-performance, single-channel communication interface module manufactured by ABB for its System 800xA and Symphony™ Plus distributed control systems (DCS). This module serves as a critical integration gateway, specifically engineered to provide a robust HART (Highway Addressable Remote Transducer) over PROFIBUS DP interface. Its core function is to enable seamless access to the rich diagnostic and configuration data embedded within HART-enabled field instruments while simultaneously integrating them into a PROFIBUS DP network. The CI868K01-EA acts as a multiplexer, allowing the AC 800M controller to communicate with HART devices using the familiar PROFIBUS DP protocol, thus bridging the gap between the digital device management world and the traditional 4-20 mA analog signaling.

Designed for enhanced asset management and predictive maintenance strategies, the CI868K01-EA module unlocks the full potential of intelligent field instrumentation. It allows plant operators and maintenance personnel to access device status, diagnostic messages, and process variables beyond the primary 4-20 mA signal—all through the existing PROFIBUS DP infrastructure. The value of the CI868K01-EA lies in its ability to maximize return on investment in smart field devices, enhance process visibility, enable predictive maintenance, and reduce commissioning and maintenance time, all without requiring separate wiring for HART communication. It is an essential tool for modernizing existing installations and designing new systems for optimal asset management.

CI868K01-EA ABB

Technical Specifications

Main Features and Advantages

The primary advantage of the CI868K01-EA is its ability to function as a powerful HART multiplexer on a standard PROFIBUS DP network. Each module provides four independent HART channels, allowing a single PROFIBUS DP address to provide access to multiple HART devices. This dramatically simplifies the system architecture by eliminating the need for separate HART multiplexers and their associated wiring and communication cards. The module provides transparent access to all HART data, including primary variable (PV), secondary variable (SV), tertiary variable (TV), and quaternary variable (QV), as well as all device status, diagnostic information, and configuration parameters.

Simplified integration and advanced diagnostics: Configuration and operation of the CI868K01-EA are fully integrated into ABB’s Control Builder engineering environment. The module appears as a standard PROFIBUS DP slave, and the HART data is mapped into its process image, making it easily accessible to the controller and higher-level asset management systems. This seamless integration allows for efficient commissioning and calibration of HART devices directly from the control system. The module also provides comprehensive diagnostics for both the PROFIBUS DP communication and each HART channel, enabling quick troubleshooting of network issues or device failures. The robust industrial design ensures reliable operation in electrically noisy environments, making the CI868K01-EA a dependable component for critical process applications.

Application Field

The CI868K01-EA is deployed across a wide range of process industries where maximizing the value of existing HART-enabled field instrumentation is a priority. In oil and gas production and refining, the module is used to integrate smart pressure, level, and temperature transmitters from remote areas into the DCS via PROFIBUS DP, providing access to additional process variables and device diagnostics for predictive maintenance. In chemical and pharmaceutical plants, the CI868K01-EA enables comprehensive monitoring of intelligent pH sensors, conductivity meters, and valve positioners, allowing for better process control and reduced calibration downtime.

Within water and wastewater treatment facilities, the module provides access to diagnostic data from smart flow meters and analyzer systems distributed throughout the plant. In power generation, it is used to integrate HART-capable level and pressure transmitters in boiler systems and feedwater networks. The CI868K01-EA is particularly valuable in modernization projects where existing 4-20 mA loops with HART devices need to be integrated into a newer PROFIBUS-based control system without replacing field instrumentation or running new cables, thus protecting investments and enhancing operational intelligence.

CI868K01-EA ABB

Related Products

TU811 3BSE013240R1: A standard S800 I/O unit base used to mount and connect the CI868K01-EA module.

AC 800M Controller (e.g., PM863): The high-performance controller that manages the S800 I/O station where the CI868K01-EA module resides.

S800 I/O Modules (e.g., AI810): Standard analog input modules that can be used in conjunction with the CI868K01-EA.

SD821 3BSE018105R1: A power supply module for the S800 I/O rack.

PROFIBUS Network Components: Includes cables, connectors, and repeaters required for the PROFIBUS DP network.

HART Field Devices: Smart transmitters, positioners, and analyzers from various manufacturers.

Control Builder Professional: The engineering software used to configure the CI868K01-EA module and map HART data.