First Thx for your Answers. By the sorry for the bad english, its my second langue.
To the Optos there are the 4 Pin PC817 and fully compatiple to the PC847 e.g. four PC817 are one PC847 that you told in some thread that can be used.
here are some pics of the setup (mabey the help:-)
http://www.illumilights.de/images/stepper/CIMG0740.jpg http://www.illumilights.de/images/stepper/CIMG0742.jpg http://www.illumilights.de/images/stepper/CIMG0744.jpg
The missing 7805 on my board is of because i got an stabilzed Input of 5Volt