Siemens Pc Adapter Usb A2 Driver Windows Xp Verified 💯 Trusted Source

The Siemens PC Adapter USB A2 (Article Number: 6GK1571-0BA00-0AA0) is the industry-standard interface for connecting a PC or laptop to SIMATIC S7 systems via PROFIBUS or MPI. While modern, it remains fully compatible with Windows XP (Service Pack 2 and higher), providing a reliable link for legacy industrial automation setups. Essential Driver Information

• Operating System: Windows XP Professional SP3 (32-bit)
• SIMATIC Manager: Step 7 V5.5 + SP4
• Driver Version: 1.6.0.0 (Digital Signer: Siemens AG)
• Adapter Hardware: 6ES7 972-0CB20-0XA0 (Firmware version 2.0)

Following these specific steps is critical to avoid "Unknown Device" errors in the Device Manager. siemens pc adapter usb a2 driver windows xp verified

1. You cannot use the newest drivers found on the Siemens support site; they are often meant for Windows 7/10. You need the legacy USB drivers.
2. If you have the STEP 7 V5.5 installation CD/DVD, the drivers are actually on there. Navigate to the Drivers folder on the disk.
3. Plug in the USB adapter.
4. When the "Found New Hardware Wizard" pops up, select "Install from a list or specific location (Advanced)".
5. Browse to the folder containing the driver files (usually named something like USB_A2.inf or located in a folder named Simatic_NET).
6. After installation, go to Control Panel > Set PG/PC Interface.
7. Select PC Adapter (USB) under the Access Point S7ONLINE.

Following this exact sequence is critical to avoid the common "New Hardware Found" loop: The Siemens PC Adapter USB A2 (Article Number:

• Device shows as Unknown or with error code 10: Try a different USB port, reinstall driver, or test the adapter on another PC to isolate hardware failure.
• Wrong chipset driver installed: Uninstall driver (Device Manager → Uninstall), remove driver files (if needed), reboot, then reinstall correct driver.
• COM port conflicts: Change COM port number (Device Manager → Port Settings → Advanced) to an unused port below COM10.
• Intermittent connection: Try a powered USB hub, as the adapter may require stable USB power; check cable integrity.
• Driver signing/blocked: On XP you can allow unsigned drivers; ensure source is trusted before proceeding.

✅ Final Recommendation

If you absolutely must use Windows XP with the Siemens PC Adapter USB A2: Following these specific steps is critical to avoid

Avoid: Random DLL download sites (e.g., driver-fixer.com, driver-solution.net). These often bundle malware or outdated, corrupted INF files.