Configuring WF723 Machine Data Using WinCC

Hi.
I have a lot of troubles trying to build an aplication in WinCC, this aplication must be able to Send Comandsand Recive information to and from several WF723 modules, i readedin manual for this module (WF723),that it was a HMI aplicationsocalledGRACIS, that was specially designed toconfigure WF723 mudules.

My Questions are:

Is there specialDB's, or FB's used by Gracis?

Is posible to know, who db's and fb's are used to control data exchange whit each one of the WF's?

Is there a way to obtain a Copy of Gracis software or it's handboock?

Thanks all you for your help.