Upgrade of SG9000 - SG400
We are looking into upgrade of SG9000 - SG400 on the Judy platform and the client has a document, written by ABB, where it is stated that 1 SG9000 = 1,5 SG400.
From my experience I find that hard to believe, however I am not that familier with SG9000.
Do you have any ideas if this is a fact or just in very special cases?
Appreciate your inputs.