The 6SL3244-0BB12-1BA1 is the CU240E-2 USS/Modbus RTU variant of the modular SINAMICS G120 drive family. It packs standard drive control, integrated STO safety, and flexible I/O into a compact 73mm-wide housing that snaps directly onto a compatible PM240 or PM240-2 Power Module.

Drive Control & Performance

• Supports V/f linear, V/f square-law, V/f FCC (flux current control), and encoderless vector control with torque control.
• Max. pulse frequency: 4 kHz (adjustable).
• Automatic motor data identification for quick commissioning.

Integrated Safety

• Safe Torque Off (STO) as standard, compliant with EN 61800-5-2.
• Extended safety functions (SS1, SLS, SDI, SSM) available via license.

Connectivity & I/O

• Built-in RS485 port with USS and Modbus RTU protocols for direct PLC or HMI connection.
• 6 digital inputs (including 1 fail-safe), 3 digital outputs, 2 analog inputs, 2 analog outputs.
• PTC/KTY interface, USB port and SD/MMC card slot for parameter cloning.

Technical Specifications

Compatible Power Modules

• PM240-2 (0.55 … 132 kW)
• PM240 (up to 250 kW)