: Uses Discovery Control Protocol (DCP) and Data Link Control (DLC) to scan the network and locate connected modules via their unique MAC addresses.
While PST V4.2 is still used for older Scalance or ET 200 components, Siemens now recommends newer tools for modern commissioning: primary setup tool 4.2 help - Siemens SiePortal Siemens Primary Setup Tool V4.2 Download -UPD-
It is important to note the context of V4.2 in relation to Windows operating systems. Originally released for compatibility with Windows XP, Vista, and Windows 7, running PST V4.2 on modern Windows 10 or Windows 11 environments often requires specific handling. : Uses Discovery Control Protocol (DCP) and Data
| Error | Likely Fix | |-------|-------------| | No devices found | Disable firewall (Windows Defender + 3rd party). Use a simple switch, not a router. | | Access denied | Run PST as Administrator. | | Device keeps old IP after reboot | You forgot to assign the PROFINET name. Name must match hardware config. | | Crash on Windows 11 | Install the latest V4.2 update build (avoid older 4.0 or 4.1). | | Error | Likely Fix | |-------|-------------| |
: PST uses DCP and DLC protocols for communication. If you receive a "DLC protocol not installed" message, follow the prompted instructions to install it on your network adapter. IP Address Assignment Using Primary Setup Tool (PST)
This post serves as a comprehensive update on where to find PST V4.2, what’s new, and how to use it without getting tangled in Siemens’ complex support portal.