He stared. He had downloaded the wrong firmware. The 1518 was the flagship, the monster CPU. His was the 1516. They were not cross-compatible. Flashing the wrong firmware was like performing a heart transplant with a kidney. It wouldn't kill the CPU, but it would put it into an unrecoverable diagnostic limbo. No TIA Portal connection. No boot. Just a flashing red LED and a bricked €8,000 brain.
Check the box and click Start update .
: Introduces functional extensions; for redundant S7-1500R/H controllers, this version requires an updated TIA Portal V21 for compatibility.
: Access the CPU's built-in web server (FW V1.1.0 or higher) to upload the update file directly via a browser. SIMATIC Automation Tool
Do you have a specific and current version you're looking to upgrade?
