There is a program you can purchase, from your GE Fanuc distributor, GE Compare. It is much lower cost than change Proficy Change Management (PCM) and some features are not functin yet in PCM, for Machine Edition (ME). It will compare 2 ME PLC targets in the same or separate projects, compare ME PLC to LM90 PLC or ME PLC to VP or LM90 to LM90 or VP to VP or LM90 to VP or VP to LM90, etc. and publishes in HTML so your I.E. browser will give you a graphical view of the Ladder, you can see the differences between logic. The part# BC646MPT001 for a Single site Lic. with SAFE support.
