Balluff BNI004K Block Network Interface Module

Balluff BNI004K Block Network Interface Module is an IO-Link sensor/actuator hub that serves as a block-style interface within Balluff's Network Interface (BNI) family. The device carries product ordering code BNI004K and part number BNI IOL-309-000-K024, enabling IO-Link devices to be consolidated under a single Balluff block for connection to automation controllers. Catalog data lists a 3.0 ms response time for this model, highlighting its readiness for real-time I/O tasks. As part of the BNI line, it coordinates IO-Link communication between connected sensors and actuators and the host system, simplifying wiring, diagnostics, and maintenance in industrial environments. Typical use cases include compact valve banks, sensor arrays, and modular digital I/O blocks in machine automation where scalable, plug-and-play IO-Link integration is desired. For system design, the BNI004K is intended to work with Balluff IO-Link masters and other Block Network Interface components to deliver reliable device communication across an automation network.