Method for Updating Firmware

Abstract

A method for updating at least a part of the firmware of a device complex of a technical installation, in particular a production facility, wherein the device complex has a hierarchical structure that includes at least one device arranged at a higher level in the hierarchy and at least one device arranged at a lower level in the hierarchy, where the method includes assembling a suitable firmware package for the device complex and its at least two devices via an updating engine, transferring the assembled firmware package to the at least one hierarchically higher-level device, starting from the at least one hierarchically higher-level device, distributing the assembled firmware package to the at least one hierarchically lower-level device, and applying the assembled firmware package to update the at least one hierarchically higher-level device and the at least one hierarchically lower-level device.

Dependencies are inferred from the claim text.