C7-634 need password

Hello!
Is there some way to get passwords from backup file (*.psr) from this panel?
Regards.

Its been a long time since I worked on one but I seem to recall
100 was the default for the Protool portion.
Have you tried that?

There is a decompiler to decode the .psr files. It does work for the C7-634 and recovers the password files and tag addresses but not the complete program. I can't find the link.
You can send me the psr file or PM me with your email i will send you the decoding program

Thank everybody for your help.
There is such a decoder.
http://www.automation.siemens.com/WW/forum/guests/PostShow.aspx?PostID=143670&language=en
Regards.