: Use the "Edit Ethernet Node" function found under the PLC menu.
Open PST, navigate to Options > Set PG/PC Interface , and select your laptop's physical Ethernet card (TCP/IP or ISO protocol).
The official download for the Primary Setup Tool is hosted on Siemens' Industry Support website under the entry ID . The most direct link to this resource is: siemens primary setup tool 4.2 download
Navigate to the portal.
Click on the device entry corresponding to your target module’s physical MAC address (usually printed on a label on the side of the Siemens hardware). : Use the "Edit Ethernet Node" function found
Industrial networking hardware often arrives from the factory without an assigned IP address. The Primary Setup Tool acts as a bridge during commissioning by communicating via the . Because DCP operates directly at Layer 2 (Data Link Layer) of the OSI model, PST can locate and identify devices using their hardware MAC addresses, completely bypassing the need for the host computer and target hardware to share a common IP subnet. Compatible Hardware Types
Allocates initial IP addresses, subnet masks, and default gateways to unconfigured devices. The most direct link to this resource is:
: Ethernet modules for SIMATIC S7-300 and S7-400 controllers (e.g., CP 343-1, CP 443-1).
Due to the age of version 4.2, the most reliable source for Siemens software updates and tools is the Siemens Industry Online Support (SIOS) portal .
Assigns unique PROFINET names necessary for PLC-to-device communication loops.