GE Fanuc PLCs allow total migration from the original General Electric Series Six PLC to the Series 90-30, Series 90-70 and finally to the Rx3i Rx7i Pacsystems. GE Fanuc programming software was formally known as Cimplicity but now uses the family name of Proficy Machine Edition as well as PE for the HMI. Intellution FIX32, iFix and i Historian were all converted to the GE Fanuc family of software named Proficy.