Simatic Pc Adapter Usb A2 Driver Windows Xp !!better!!
The Verdict: A Perfect Match (With Caveats)
If you are still running Windows XP, the PC Adapter USB A2 is arguably the most stable and reliable way to connect to Siemens S7-300/400 PLCs.
on Windows XP requires administrative privileges and a specific order of operation to avoid common "Found New Hardware" errors. Siemens SiePortal Prerequisites Operating System Simatic Pc Adapter Usb A2 Driver Windows Xp
Device Manager: Look under "Simatic Net" for the Simatic PC Adapter USB A2 entry. The Verdict: A Perfect Match (With Caveats) If
- Transmission rate: 187.5 Kbps (for MPI) or 1.5 Mbps (for PROFIBUS).
- Address: PG address (default 0 is fine unless conflicting).
- Profile: DP (for PROFIBUS) or Standard (for MPI).
- Timeout: Can leave default (20–30 ms).
If you are running Windows XP in a virtual environment (like VMware or VirtualBox): Transmission rate: 187
If you are forced to use XP, you must stick to driver version 2.0.x. Siemens released version 3.0 of the USB A2 driver, but that version removed XP support entirely (min OS is Windows 7).
Key Facts:
- Driver Name:
S7EPUSBx.sys - Device Type: "PC Adapter USB A2" (MPI/PROFIBUS/PPI)
- Native USB Support: No RS232 legacy conversion; it’s a true active USB adapter.
- Windows XP Support: SP3 required (32-bit only; the A2 has no 64-bit XP driver).
