X20DI2371 by B & R Automation

The X20DI2371 is a fieldbus input module from B & R Automation's X20 Fieldbus Input Output Series. It employs 3-wire connections and features digital inputs with characteristics per EN 61131-2 Type 1. Operating on a nominal voltage of 24 VDC, it has an input current of typical 3.75 mA at 24 VDC and an input voltage range of 24 VDC -15% / +20%. The module offers comprehensive diagnostics, including module run/error status via LED and software. With a 500 V isolation voltage between channel and bus, it ensures reliable operation. Power consumption is 0.12 W for the bus and 0.29 W for internal I/O, with configurable input filters.