Huge thanks to Chuck Searcy at Moog Animatics (he worked at Animatics before the buyout) for digging through some old backups and finding this trove of technical and programming information and software for the Animatics 500 series servo controllers.
https://jumpshare.com/b/YbrLmD7bz7Dsxfuzf6GQ
I also uploaded it to Dropbox https://www.dropbox.com/s/8o87wzopl4...D5XX6.zip?dl=0