Verify that the device is not already actively controlled by a PLC master. Turn the PLC to "STOP" mode or disconnect the device from the active control network, leaving only a direct connection to your engineering laptop. Compatibility Issues on Windows 10/11
While PST V4.2 is a widely used legacy tool, it has largely been superseded by newer software. You can find official download and support information through the Siemens Industry Online Support (SIOS) portal.
Assign IP addresses, subnet masks, gateways, and PROFINET device names using PROFINET DCP (Discovery and Basic Configuration Protocol). Manual/Guide: siemens primary setup tool 4.2 download
The 4.2 release brought important updates for modern operating systems:
Ensure that your TIA Portal project matches the IP assigned via PST, as the PLC will overwrite PST settings upon establishing a cyclic PROFINET connection. Conclusion Verify that the device is not already actively
Performs basic network diagnostics, such as flashing device LEDs to visually locate physical hardware in a control panel.
Siemens recommends using these more versatile tools for tasks previously handled by PST: You can find official download and support information
How to download the primary setup tool ? - Siemens SiePortal
