/community-hubs/deltav-community-connect/b/delta-vweblog/posts/updated-s-series-dc-to-dc-power-supply-product-data-sheetThe DeltaV S-series DC/DC system power supply delivers more current on the 12-VDC I/O interface power bus and eliminates the need for 24- to 12-VDC bulk power supplies. All controller and I/O power can be sourced from 24-VDC bulk power supplies. (132KBen-USTelligent Community 13