Product Overview
The ABB CI873K01 (part number 3BSE058899R1) is an advanced Ethernet/IP communication interface module designed for industrial automation applications. This module enables seamless connectivity between ABB automation systems and Ethernet/IP networks, providing high-speed, reliable, and deterministic communication for modern distributed control and manufacturing environments.
The CI873K01 is engineered to integrate with ABB controllers, I/O modules, and operator interfaces, enabling real-time data exchange, remote monitoring, and efficient process control. Its robust industrial design ensures reliable operation under demanding conditions, including high electrical noise, vibration, and temperature fluctuations commonly encountered in manufacturing plants, power generation facilities, and process industries.
By incorporating the CI873K01, automation systems benefit from enhanced network flexibility, interoperability with Ethernet/IP-enabled devices, and streamlined system integration. The module supports both legacy ABB control architectures and modern Ethernet/IP networks, making it suitable for system upgrades, expansions, and new installations.

Product Parameters (Technical Specifications)
| Parameter | Description |
|---|---|
| Product Name | ABB CI873K01 Ethernet/IP Interface Module |
| ABB Part Number | 3BSE058899R1 |
| Product Type | Industrial Communication Interface |
| Primary Function | Ethernet/IP communication between ABB systems and networked devices |
| Supported Protocols | Ethernet/IP |
| System Compatibility | ABB AC 800PEC controllers and I/O modules |
| Data Transfer Type | Real-time and cyclic process data |
| Communication Speed | Standard Ethernet speeds (10/100 Mbps) |
| Physical Interface | RJ45 Ethernet connector |
| Isolation | Electrical isolation between network and system backplane |
| Mounting | Rack-mounted module for ABB control racks |
| Operating Temperature | Standard industrial range (0°C to 60°C) |
| Power Supply | Supplied via control system backplane |
| Diagnostics | LED indicators for network status, module health, and communication activity |
| Reliability | Designed for continuous 24/7 operation in industrial environments |
| Application Area | Process control, discrete manufacturing, energy systems, and distributed automation |
The CI873K01 module ensures secure, high-speed data communication and provides reliable system-level diagnostics to maintain optimal process performance.
Product Datasheet Description
The ABB CI873K01 Ethernet/IP Interface Module is designed to bridge ABB control systems with Ethernet/IP networks. It allows controllers, operator panels, and I/O modules to exchange process and status data with Ethernet/IP-enabled devices such as PLCs, drives, sensors, and HMIs.
Key Features
- High-Speed Data Communication
The module supports cyclic and acyclic process data exchange over Ethernet/IP, enabling real-time control and monitoring. Its design ensures minimal latency, deterministic performance, and high reliability. - Seamless System Integration
The CI873K01 integrates directly with ABB AC 800PEC controllers and modular I/O systems. Configuration is straightforward via ABB engineering software, allowing fast network setup and data mapping. - Industrial-Grade Robustness
With electrical isolation, EMI protection, and rugged industrial components, the module withstands harsh operational conditions such as fluctuating temperatures, vibrations, and electrical interference. - Diagnostics and Monitoring
The module features on-board LED indicators and supports software-based diagnostic tools, providing visibility into network health, connection status, and communication errors. This enhances troubleshooting and reduces system downtime. - Flexible Network Architecture
Supports both star and daisy-chain network topologies and allows integration with a wide range of Ethernet/IP-enabled devices. The module’s compatibility with standard Ethernet protocols ensures interoperability in mixed vendor environments. - Security and Reliability
The CI873K01 includes features that maintain data integrity and reduce the risk of communication failure. Its design supports redundant network architectures, improving overall system availability.
This module serves as a vital link in distributed control architectures, enabling ABB systems to participate in modern industrial networks and meet the increasing demands of smart manufacturing and Industry 4.0 initiatives.
Country of Origin
The ABB CI873K01 3BSE058899R1 is manufactured under ABB’s stringent global industrial quality standards. Production occurs in ABB-certified facilities, primarily in Europe, where rigorous quality control, traceability, and compliance processes ensure each module meets ABB’s performance and reliability specifications.
All units are factory-tested for communication performance, electrical safety, and environmental resilience before shipment. This ensures consistent operational reliability in industrial automation applications.
Product News and Industry Context
Ethernet/IP interfaces like the CI873K01 are increasingly critical for modern industrial automation due to their ability to integrate control systems with enterprise-level IT networks, remote diagnostics, and Industry 4.0-enabled analytics. ABB’s continued support for Ethernet/IP modules ensures that legacy AC 800PEC systems remain compatible with emerging networking standards without requiring complete system replacement.
The CI873K01 supports distributed automation strategies, allowing plants to upgrade communication networks incrementally, improve data transparency, and reduce operational risk. Its reliability and long lifecycle make it suitable for both new deployments and ongoing system maintenance in high-demand industrial environments.
Recommended Related ABB Products
For integration, expansion, or replacement purposes, the following ABB modules are commonly used alongside the CI873K01:
| Model | Description |
|---|---|
| CI873K02 | Ethernet/IP interface module with enhanced diagnostics and throughput for AC 800PEC systems |
| CI873D01 | DeviceNet interface module for legacy ABB networks |
| CI873E01 | ProfiNet communication interface for ABB controllers |
| PPD113B03-10-150000 | AC 800PEC controller module compatible with Ethernet/IP communication |
| 3BSE023584R2625 | Distributed I/O module for ABB automation systems |
| CI873F01 | Modbus TCP/IP interface module for mixed protocol networks |
These modules complement the CI873K01 by expanding communication options, enabling multiple network protocols, and supporting scalable automation architectures.
Frequently Asked Questions (FAQ)
Q1: What is the primary function of the CI873K01?
A1: It serves as an Ethernet/IP interface, enabling ABB control systems to communicate with Ethernet/IP-enabled devices.
Q2: Can it operate continuously in industrial conditions?
A2: Yes, the module is designed for 24/7 industrial operation with high reliability.
Q3: Is the CI873K01 compatible with AC 800PEC controllers?
A3: Yes, it integrates seamlessly with AC 800PEC controllers and associated I/O modules.
Q4: What industries commonly use this module?
A4: Process control, discrete manufacturing, power generation, water treatment, and smart manufacturing facilities.
Q5: Does the module support diagnostics and troubleshooting?
A5: Yes, it provides LED indicators and software-based tools for network and module diagnostics.
Conclusion
The ABB CI873K01 3BSE058899R1 Ethernet/IP Interface Module is a robust, high-performance solution for connecting ABB control systems to Ethernet/IP networks. Its industrial-grade construction, deterministic communication, and seamless integration with ABB AC 800PEC platforms make it an essential component for modern distributed automation systems. By enabling reliable, high-speed data exchange, the CI873K01 supports both operational continuity and future-ready industrial networking strategies, making it a key module for plants seeking efficient, scalable, and interoperable control networks.






