The B&R X20PS9400 Power Supply Module is a 24 VDC supply unit for the X20 system, delivering backplane power to the bus controller and internal I/O while also serving as the X2X Link power supply. It connects to the X20 backplane via a 12-pin interface on the X20 rail, aligning with B&R's X2X/Powerlink architecture. This model, designated X20PS9400, is the dedicated 24 VDC power source for X20 bus controllers and the X2X Link network in industrial automation installations.
