Hello,

I have a Modbus TCP comunication programed in TIA PORTAL, for a s7-300 CPU and other system conection , but my license number is linked to a STEP 7 5.5 library. Will I have a problem if I ask for my REG-KEY and insert it in the TIA PORTAL program? ¿Should I have to change the program to Step 7 or look for a new license?

Thanks.

hi AsierLangara,

The license-key is linked to the CPU-serial-no., not to TIA or Step7 5.5 blocks. 

So it should work in both programs.

regards,

Thanks a lot, it the first time this problem happened here and nobody could tell me with precision.