hi L D[AR2,P#0.0],
kindly help me the screen shot as per your suggestion I see if it can work,
want I do I go to s7 block>select any FC>right>open object or double click to the Block, and when it opens up, the window to write my logic and catalogue to pull functions to use is totally blank, I have reinstalled the Simatic manager like 3 times but all in vain..
any help forthcoming will be appreciated