For large networks, combine PST with SINEC PNI or TIA Portal – but for fast device discovery and basic setup, PST 4.2 remains the top lightweight choice.
The Primary Setup Tool V4.2 is specifically intended for assigning IP addresses, subnet masks, and PROFINET device names to SIMATIC NET network components, Ethernet CPs, and gateways. Top Features of Siemens Primary Setup Tool 4.2