Before downloading and installing the HSP0276 S7-1200 CPU V4.3 firmware, consider the following precautions:
Select the file and click Open. The package will now appear in the list of available support packages within TIA Portal. Step 4: Execute the Installation In the list of support packages, find the row for HSP0276.
HSP0276 specifically contains the hardware configuration data required to recognize and program SIMATIC S7-1200 CPUs equipped with Firmware Version 4.3 (V4.3). Without this package installed, TIA Portal will not show V4.3 in the device selection catalog, preventing you from uploading, downloading, or configuring hardware features unique to this firmware revision. Prerequisites for HSP0276
on your PC, click "Find Support Packages," select the required HSP, and click "Download and install". Manual Integration: In TIA Portal, go to Options > Support packages , click "Add from file system," and select the downloaded Siemens SiePortal User Context & Reviews Reviewers and community members on the Siemens SiePortal Forum
: Even if you closed the main window, background processes might still be running. Open your Windows Task Manager (Ctrl + Shift + Esc), look for any processes starting with "Siemens" or "TIA", end them, and try the installation again.
Installing HSP0276 gives you access to the advanced capabilities of the S7-1200 V4.3 CPU, including: Better interoperability.
Select the downloaded file, check "Run firmware after update," and click Run .
In TIA Portal, navigate to . Select the unzipped HSP file and install it. How to Update the CPU Firmware to V4.3
Once the installation wizard finishes, follow these steps to confirm that your hardware catalog has successfully updated: Restart . Open an existing project or create a new one. Go to the Project view and double-click Add new device . Expand the Controllers > SIMATIC S7-1200 tree. Select a CPU model (e.g., CPU 1214C).
The HSP is a small package that integrates directly into TIA Portal.
Select "Add from file system" and point to the downloaded .isp file.
