How can you replace the SINAMICS CU320 with the CU320-2 in a Technology CPU project with S7 Technology?
As from version V4.2 SP1 of S7 Technology you have the option of automatically replacing the SINAMICS device version and characteristic in an existing S7 Technology project.
Mark the required SINAMICS drive in the tree view and select the pop-up menu "Target device > Upgrade device version/characteristic".
Then select the required characteristic from the list of available SINAMICS characteristics.
Then select the required firmware version from the list of available device versions.
Finally, click the "Upgrade" button to replace the SINAMICS control unit in the S7 Technology project with the version selected.