2 EngineeringEthernet Communication (ISO on TCP) between SIMATIC S5 andSIMATIC S7-1500 ControllersEntry-ID: 109482475, V1.2, 07/2019 30© Siemens AG 2019 All rights reserved4. As shown in the figure, enter the MAC address of the CP under (1) "MACaddress (HEX)” and the basic interface no. 0 under (2) "Base SSNR”. Click on"OK” (F7) to confirm the settings.5. Now, go to the "TCP/IP Init” screen via "Edit” >"TCP/IP Init” (1).6. Enter the local host name (ASCII) under (1), your own TCP/IP address (dec.)under (2), the default gateway under (3) and the netmask (dec.) under (4).1212341