Is there any more information, other than the video on running on AC power using the BlueRail system?
The only thing I saw was a video of Bob Walker's AC/DC converter equipped unit. This link says not to use AC to directly power the board:
Look under the POWER paragraph under the INSTALLATION CONSIDERATIONS heading.
I have never consisted engines, but I might do so with my Weaver RS3 and Williams E7 just to see what happens. Also never tried the speed matching function, although I have run the 2 engines as individual units before the speed matching function was embedded in the program so I need to try that too.