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- Siemens 6SL3244-0BB12-1BA1 SINAMICS G120 CU240E-2 6DI/3DO/2AI/2AO VFD Control Unit Siemens 6SL3244-0BB12-1BA1 SINAMICS G120 CU240E-2 6DI/3DO/2AI/2AO VFD Control Unit
Siemens 6SL3244-0BB12-1BA1 SINAMICS G120 CU240E-2 6DI/3DO/2AI/2AO VFD Control Unit
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- Description
The Siemens SINAMICS G120 Control Unit CU240E-2 (6SL3244-0BB12-1BA1) is an E-type control unit with integrated Safety Integrated STO, an RS485 interface with USS protocol, and onboard 6 DI, 3 DO, 2 AI, and 2 AO for pairing with a G120 power module.
Technical Specifications
| SKU | 6SL3244-0BB12-1BA1 |
| Brand | Siemens |
| Series | SINAMICS G120 |
| Product designation | CU240E-2 |
| 24 V supply | External DC, 20 - 29 V |
| Max. power consumption | 0.50 A |
| Power loss | 5.50 W |
| Digital inputs | 6 |
| Digital outputs | 3 (1 usable as 2x DI standard) |
| Analog inputs | 2, differential |
| Analog outputs | 2, non-isolated |
| Control modes | V/f linear/square-law/parameterizable, V/f FCC, V/f ECO, sensorless vector control, encoderless torque control |
| Interfaces | RS485 (USS protocol), USB, SD/MMC card |
| Safety function | Safety Integrated STO |
| Degree of protection | IP20 / UL open type |
| Ambient temperature, operation | -10 to 55 °C |
| Net weight | 0.49 kg |
| Width | 73.0 mm |
Selection Notes
The 6 DI / 3 DO / 2 AI / 2 AO onboard I/O count and integrated STO safety function set the E-type CU240E-2 apart from lower-I/O control units in the CU240 family; pick it when the application needs onboard safe torque off without a separate safety module. Sensorless vector control, with no encoder input, covers standard induction motor applications; select a control unit with an encoder interface instead if closed-loop speed feedback is required.
Applications
Pairs with a SINAMICS G120 power module to control induction motors in pump, fan, and conveyor drives that need basic safety (STO) and USS/RS485 fieldbus connectivity.