B&R Industrial Automation X20DI8371 Digital Input Module

The B&R X20DI8371 is an eight-channel digital input module for the X20 I/O system that provides eight 24 VDC inputs using 1-wire connections and sink-type wiring. It supports a configurable input filter to tailor signal conditioning and noise rejection for each input, and is designed for use in X20 bus configurations with standard X20 bus modules. The unit is identified on the bus by the B&R ID code 0xA4AB and is specified in the X20DI8371 data sheet (ENG, V3.20, 08/19/2024) with an input voltage tolerance of 24 VDC (-15% to +20%). Typical applications include digital sensing in automation lines, presses, and conveyors where eight discrete 24 V signals must be read by an X20 controller.