Enable the Web Server in the CPU properties within and assign "Perform firmware update" permissions to a user. Open your web browser and enter the CPU’s IP address. Log in with your configured user credentials. Navigate to the Module Information page and select the CPU.
“Firmware update,” Jens said. “Known erratum. Resolved.” s7-1500 firmware download
He navigated to the Siemens Industry Online Support portal. Downloading firmware for an S7-1500 wasn’t like updating a phone. It was a surgical procedure on the brain of a living machine. He found the package: FW_UPDATE_S7_1500_V2_9_2.zip . It was 847 MB. On the factory’s legacy industrial network—a twisted pair of wires laid in conduit back when the iPod was new—that was an eternity. Enable the Web Server in the CPU properties