S120 Firmware Upgrade __full__ Jun 2026
: Older firmware may not support newer power modules or communication protocols.
However, upgrading the firmware on a Sinamics S120 is not as simple as clicking "update." It involves managing multiple components: the Control Unit (CU), Line Modules, Motor Modules, and optionally, the CX32-2 expansion card. A misstep can lead to drive downtime or configuration loss. This article provides a definitive, technical walkthrough for a safe and successful . s120 firmware upgrade
Modern S120 firmwares (e.g., V5.2) may also upgrade the firmware of attached Motor Modules or Line Modules. Go to Expert list and monitor parameters: : Older firmware may not support newer power
Always back up your project data and parameters. An upgrade usually wipes the CompactFlash (CF) card. Check CF Card Capacity: Firmware versions ≥ 2.4 typically require at least a An upgrade usually wipes the CompactFlash (CF) card
To update the firmware of the SINAMICS S120 Control Unit (e.g., CU310-2, CU320-2) and associated drive objects (e.g., Power Modules, Motor Modules).