Activating the S7 protocol access

The following screenshots show a sample activation of the S7 protocol functions in the TIA portal, which is usually only necessary for S7-1200 and S7-1500 controllers. Please note that the screenshots differ from your operating environment and may look different depending on the TIA version.

1. Firstly activate the access via the access level.
Activating the S7 protocol access 1:

2. Then activate the COTP PUT/GET access.
Activating the S7 protocol access 2:

3. Disable the optimized block access.
Activating the S7 protocol access 3:

Notice

Hardware Download

Please note that you have to perform a hardware download after changing the access parameters so that these changes become active.