!link! — Siemens Pc Adapter Usb A2 Driver Windows Xp

The Siemens PC Adapter USB A2 (article number 6GK1571-0BA00-0AA0) is compatible with Windows XP SP2 and higher. The necessary drivers are typically included with Siemens engineering software like STEP 7 or TIA Portal, but can also be installed via a standalone driver disk. Driver Installation Steps for Windows XP

To ensure a successful installation on Windows XP, follow this sequence based on Siemens community recommendations: Preparation: Close all active programs.

Run as Administrator: Right-click Setup.exe from your driver source and select Run as... to use the Administrator account. This is critical for installing required components like the Microsoft Visual C++ 2005 Redistributable.

Install Software: Follow the prompts for the "PC Adapter USB A2 Driverdisk" and "Simatic Device Drivers" installation. Restart: Restart Windows XP before connecting the hardware.

Connect Hardware: Insert the USB A2 adapter. The "Found New Hardware Wizard" should appear; select Yes, this time only and then Install the software automatically. Verification: siemens pc adapter usb a2 driver windows xp

Check Device Manager under Simatic Net; you should see "Simatic PC Adapter USB A2".

In the Set PG/PC Interface tool, the "PC Adapter USB A2" option should now be available for selection. Key Downloads and Resources

Official Driver Disk: You can find the Download of the PC Adapter USB A2 Driverdisk V1.0 on the Siemens Industry Online Support site.

Manuals: Refer to the PC Adapter USB A2 Operating Instructions for detailed pinouts and technical specifications. The Siemens PC Adapter USB A2 (article number

Note for Virtual Machine Users: If you are running Windows XP in a virtual environment (like VMware or VirtualBox), ensure the USB Controller is set to USB 2.0 compatibility in the VM settings to avoid communication errors.

Are you having trouble with the adapter being recognized in Device Manager, or is it failing to connect within STEP 7/TIA Portal? PC Adapter USB A2 Drivers - Siemens SiePortal

Configuration: The "A2" Difference

Here is where many engineers get tripped up. The A2 adapter is faster and more capable than the older A0, but in Step 7, you have to tell it how to behave.

Once the driver is installed, open the "Setting PG/PC Interface" utility (usually found in the Control Panel or via Step 7). Configuration: The "A2" Difference Here is where many

Under "Access Point," select S7ONLINE.
In the list of interfaces, look for PC Adapter (USB).
Select it and click Properties.
Crucial Step: Ensure the "USB" tab is selected. You should see the adapter listed there. If you are using the MPI port, verify the transmission rate matches your PLC (usually 187.5 Kbps).
A2 vs A1: If you previously used an A1 adapter, you might need to uninstall the old interface profile to prevent conflicts. The A2 driver creates a cleaner virtual COM port interface.

2.2 Automation Software

The driver works standalone, but for practical use, you need STEP 7 V5.5 + SP4 or STEP 7 Micro/WIN V4.0 SP9.
Ensure your software is installed before connecting the adapter.

9. Safety, Backup, and Best Practices

Backup phone data before syncing or flashing.
Use official firmware and software from the device vendor.
If device firmware flashing is required, ensure stable power to both PC and device (battery charged or external power).
Keep a copy of the working driver package saved offline in case reinstall is required.
For critical systems, test on a non-production machine first.

2. Upgrade to TIA Portal

Migrate your STEP 7 projects to TIA Portal V13 or higher, which natively supports Windows 10.
Use the same USB A2 adapter with Siemens’ unified driver model.

Official Driver Source

The driver is available from Siemens Industry Online Support:

Search for "6GK1571-0BA00-2AA0" (the order number for PC Adapter USB A2)
Direct link format: support.industry.siemens.com

Important Warning

If you have a newer PC Adapter USB A2 (manufactured after ~2012), it may not work on Windows XP at all, even with older drivers, due to firmware changes.

Recommendation: If possible, use Windows 7 (32-bit) or a virtual machine with USB passthrough for legacy XP needs.