Siemens Primary Setup Tool 4.2 Download May 2026

Before attempting to download and install PST 4.2, ensure your computer meets the minimum requirements:

For a device to be used as a Profinet IO device, it must have a name.

The device will now respond to that name. If you later ping the device name via Windows Command Prompt, PST ensures your PC’s DNS is bypassed using DCP.

Q: Is PST 4.2 free? A: Yes, Siemens provides PST 4.2 completely free of charge. No license key or dongle is required.

Q: Can PST 4.2 configure Siemens drives? A: Yes, it can assign IPs and names to SINAMICS drives, but for parameterization you need STARTER or SINAMICS Startdrive.

Q: Does PST 4.2 work on Windows 11? A: It is not officially supported, but many users report success after enabling compatibility mode for Windows 8/7.

Q: Can I use PST 4.2 simultaneously with TIA Portal online access? A: It is not recommended, as both may try to lock the network interface. Close TIA Portal before using PST. siemens primary setup tool 4.2 download

Disclaimer: Siemens, SIMATIC, SCALANCE, SINAMICS, and TIA Portal are registered trademarks of Siemens AG. This article is an independent guide and is not officially endorsed by Siemens.

Siemens Primary Setup Tool (PST) V4.2 is a specialized utility used to assign network parameters, such as IP addresses and device names, to SIMATIC NET industrial Ethernet components. It is essential for commissioning devices like SCALANCE switches, Ethernet CPs, and gateways that arrive with factory-default settings. Download and Access The Primary Setup Tool is provided as a cost-free utility. Official Download:

The latest version and updates (including V4.2 HF1) are typically found on the Siemens Industry Online Support (SIOS) Physical Media:

It is also frequently included on the documentation or software disc supplied with new SCALANCE hardware. Alternatives: For modern systems, Siemens often recommends using SIMATIC Automation Tool for more advanced network management and diagnostics. CISA (.gov) Key Features of V4.2 The V4.2 update, specifically

, was released to expand compatibility with modern operating systems and address critical security vulnerabilities. Siemens SiePortal OS Compatibility:

Unlike older versions (V3.2 for XP, V4.0 for Vista), V4.2 HF1 supports: Windows 10 Pro (including version 1607). Windows 7 Professional/Ultimate SP1 (32-bit and 64-bit). Windows 8.1 Professional. Windows Server 2008 R2 and 2012 R2. Protocol Support: Before attempting to download and install PST 4

(Discovery Control Protocol) to find devices via their MAC address.

This version includes fixes for PROFINET discovery and configuration vulnerabilities identified in earlier releases. Siemens SiePortal Installation and Setup Preparation:

Connect your PC to the same physical network as the Siemens device using an Industrial Ethernet cable. Installation: Extract the downloaded ZIP file and run . If prompted about the DLC protocol

, follow the installer's instructions to add it to your network card settings, as it may be required for certain legacy modules. Configuration: Open PST and select the correct network adapter via Settings → Network Card Network → Browse

to scan for connected "Intelligent Network Components" (INCs). Select the device by its MAC address (found on the physical hardware label). Enter the desired IP Address Subnet Mask , then apply the settings via Module → Download

For further details on specific device compatibility, you can check the Siemens Compatibility Tool Primary Setup Tool User Forum , like a SCALANCE switch? For a device to be used as a

Primary setup tool 4.2 - Trying to set the IP address ... - SiePortal

Critical Warning: You should only download Siemens software from official sources. Third-party websites offering a "cracked" or "standalone" PST 4.2 download may contain malware, viruses, or outdated versions that can damage your PLC hardware.

The official download source is the Siemens Industry Online Support (SIOS) website.

The Primary Setup Tool is a free (but license-restricted) Siemens utility for commissioning PROFINET devices. It is used to:

Note: PST 4.2 is an older version. The current version is PST 4.4 (or later). Siemens no longer actively distributes 4.2.

The Primary Setup Tool (PST) is a standalone software utility developed by Siemens for the configuration and diagnosis of PROFINET and PROFIBUS network components.

Unlike the full TIA Portal (Totally Integrated Automation Portal), which is used for PLC programming and HMI design, PST is a lightweight tool focused specifically on the network infrastructure. It allows engineers to configure devices (such as SCALANCE switches, routers, and wireless access points) without needing to connect them to a running PLC or automation program.

Siemens also offers the "Siemens Industry Online Support" app for mobile devices, but for downloading PST, a desktop browser remains the best option.