Hi Guys

I am new to the SIEMENS Step 7.

I wish to expand my knowledge in understanding the libraries in the program element. Are there any documentations that I could read up on to further my knowledge in the use of FC and SFB blocks?
I am currently trying to understand more of timers i.e. how to use IEC and SFB timers instead of the conventional timer instructions.
Your Help would be greatly appreciated.

Kind Regards,

Salman