Compatibility with nearly all SIPROTEC 4 and SIPROTEC Compact models.
This is the only official location.
: For long-term deployment, purchase an official license key from an authorized Siemens distributor. System Requirements and Compatibility Digsi 4.90 Download UPD
By sourcing the official DIGSI 4.90 update and following this guide, you ensure your substation automation environment remains reliable, compatible, and secure for years to come. Compatibility with nearly all SIPROTEC 4 and SIPROTEC