Available. The Turck BL67-4DI-P is a compact electronic module designed for industrial automation applications, offering four digital inputs with PNP switching. Operating at a supply voltage of 24 VDC, it features a protection class of IP67, ensuring durability in harsh environments. The module supports various connection technologies, including M8, M12, and M23 connectors, providing flexibility in integration. It is equipped with LEDs for status indication and diagnostics, facilitating easy monitoring and maintenance. The electronics are galvanically separated from the field level via optocouplers, enhancing system reliability. Additionally, from version VN 01-03 and higher, the module supports accelerated start-up for applications with Fast Start-Up (FSU) and QuickConnect (QC), improving system responsiveness. This module is ideal for applications requiring reliable digital input processing in demanding industrial settings.