Configure the following settings.

Activate S7 routing

Enable this option to use S7 routing.

Address

Enter the address of the target control (here CPU319).

Address of device acting as gateway

Enter the address of the gateway (here CPU412).

S7 subnet ID of target net

Enter the subnet ID from STEP 7 NetPro.

Identifying the S7 subnet ID in NetPro

You can identify the S7 subnet ID in NetPro.

Right-click on the secondary bus system and open the Object Properties.

Identifying the S7 subnet ID in TIA Portal

You can identify the S7 subnet ID in TIA Portal.

Click on the bus system and go to Properties – General – General.