The CU320’s firmware is critical. Manuals are not backward-compatible for parameter lists.
| Document Description | Siemens Entry ID (searchable) | |----------------------|-------------------------------| | SINAMICS S120 Commissioning Manual (FW 5.2) | 109780875 | | CU320-2 PN Hardware Manual | 109763675 | | CU320-2 DP Hardware Manual | 109780874 | | S120 Function Manual – Drive Functions | 109754768 | | S120 Safety Integrated Manual | 109754763 | sinamics cu320 manual pdf