Unlike TIA Portal (Totally Integrated Automation Portal), which is a heavy, licensed, full-scale engineering framework, PST is a lightweight, standalone tool. Its primary job is to bridge the gap between a brand-new PLC fresh out of the box and your engineering PC.
How to download the primary setup tool ? - Siemens SiePortal siemens primary setup tool download
Before downloading and installing the Siemens Primary Setup Tool, ensure that your system meets the minimum requirements: which is a heavy