I am seeking to create an application in which i want to download the program(backup) from S7-300 using libnodave or/and opc server .
The problem is i only know how to read and write value on the plc but i don't know how to start to download the program like step7 does.
pls help and any idea is welcome.
Thank you in advance for your help and for any one who read this post
Geändert von Nabil Mouaine (07.08.2016 um 21:22 Uhr)