Available. The B&R X20DI4760 is a digital input module designed for the X20 system, featuring four NAMUR inputs with special functions. It facilitates the transfer of digital signals from NAMUR encoders in accordance with EN 60947-5-6 standards. In addition to NAMUR encoders, standard switches can also be utilized. Each input can function as a counter input, supporting frequencies up to 1,600 Hz per input. The module offers diagnostics for module run/error, short circuit, and open circuit conditions, with status indicators for each channel. It operates within a temperature range of -25°C to 60°C for horizontal mounting and -25°C to 50°C for vertical mounting. The module is certified for use in hazardous locations, including ATEX Zone 2 and UL Class I, Division 2 environments. It requires a supply voltage of 8.05 V and has a power consumption of 0.01 W for the bus and 1.5 W for internal I/O. The module is housed in an IP20 enclosure, suitable for various industrial applications.