It looks like you’re referring to an internal or structured package name from Siemens Motion Control (MC) drives, specifically related to ACX (a Siemens drive firmware/software platform) and a configuration data model.
The package is not a separate download—it is integral to TIA Portal versions V15.1 and higher. To check its presence: Siemens.mc.drives.acx.model.configuration Data.package
Installation: You may need to download and install the specific Hardware Support Package (HSP) or the latest update for your Startdrive version to resolve "Installation required" errors. It looks like you’re referring to an internal
model.configuration: Indicates that this specific package handles the modeling of the drive's behavior and hardware configuration. To check its presence: Installation : You may
Problem opening a project in TIA Portal – missing package files
Based on Siemens’ known ACX behavior, this package should support: