UPDATE: Try as I might, I can no longer find the software packages listed in this article anywhere online (the associated sites have been completely redesigned.)Where to get free software for Allen-Bradley (A-B) and Rockwell Automation (RA) products, part two: In we discussed getting free software for Allen-Bradley and Rockwell Automation from the RA Downloads page, the MicroLogix downloads page, the Drives Explorer page, and from the Knowledgebase. Apc back-ups cs 500 user manual.