Siemens strictly controls the distribution of SimoCom U due to international export laws:
You must have a registered Siemens Industry Account to access the download files. Siemens Simocom U Software Download
Siemens SimoCom U is the essential commissioning and parameterization tool for the and SIMODRIVE POSMO drive systems . While newer Sinamics lines have largely replaced Simodrive in new installations, SimoCom U remains vital for maintaining, diagnosing, and repairing thousands of active legacy machines. Direct Download Links and Versions Siemens strictly controls the distribution of SimoCom U
For older firmware, the SIMODRIVE 611U Toolbox V3.4 is still archived for specific hardware revisions. Important Download Restrictions Direct Download Links and Versions For older firmware,
Windows 10 (Pro/Enterprise 64-bit) is officially supported for version V14.03.02. Older versions (V12 or V13) typically require Windows 7 or Windows XP.
SimoCom U is often bundled as part of the Drive ES Basic Maintenance package (e.g., V5.6 or V5.7), which allows the software to be integrated directly into the STEP 7 (Simatic Manager) hardware configuration. SIMODRIVE 611U package V14.03.01 - ID - Support - Siemens