Is it possible to view emontx and emonbase version information from just emoncms.org

Welcome to OEM.

The hardware - if it was purchased complete from ‘The Shop’ this month - is suitable for uploading the 3-phase PLL sketch. Bear in mind you are likely to need a programmer (or a serial connection to your emonBase) to configure and upload the sketch. I’d advise you to read through the sketch and the accompanying documentation to check to see if you might need to make changes, and to understand the limitations: