I am using the C600 HMI, and the security is useless. Not only can you not set a 'Group' flag to the PLC, but the goto screen buttons do not work with remote screen selection enabled and the screen security is disabled. I contacted Allen Bradley and they gave a work around which is so cumbersome!
Also, has anyone had a problem with border colours on the multi state display. I set a border as black, and after saving the software and retreiving it, the border changes to blue, even though the prpoerties box says black.
I have had lots of other minor irritations with this screen. AB support just fob you off with crap