Quick answer: The Siemens SINAMICS G120 CU240E-2 F (order code 6SL3244-0BB00-1PA1) is a Enhanced control unit + Functional Safety for the modular G120 drive system. Integrated safety: STO, SS1, SLS, SDI, SBC to SIL 3 / PLe.
| Model | CU240E-2 F |
| Order Code | 6SL3244-0BB00-1PA1 |
| Description | Enhanced control unit + Functional Safety |
| Communication | USS/Modbus RTU + PROFIsafe |
| Safety Functions | STO, SS1, SLS, SDI, SBC — SIL 3 / PLe |
| Compatible Power Modules | G120 PM240-2, PM230, PM250, PM260, PM330 |
| Programming | STARTER software, SCOUT NX, or TIA Portal Drive Library |