The ABB CI871K01 is a communication interface module that is designed to be used with ABB’s AC 800M series of programmable logic controllers (PLCs). It provides a high-speed, reliable communication link between the AC 800M PLC and other devices in the system, such as operator interfaces, I/O modules, and other control equipment.

The CI871K01 module is a high-performance communication interface that supports a range of communication protocols, including Ethernet/IP, Modbus TCP, PROFINET IO, and DNP3. It also features advanced diagnostic capabilities, allowing users to quickly identify and troubleshoot communication issues.

The module is designed to operate in harsh industrial environments and can withstand temperature extremes, humidity, and vibration. It also features a compact, DIN rail mountable design, making it easy to install and integrate into existing systems.

Overall, the ABB CI871K01 is a reliable and versatile communication interface module that can help to improve the performance and efficiency of AC 800M PLC-based control systems.