Key Features
- Integrated communication: Integrated RS485/USS/MODBUS RTU support.
- Control and positioning: Supports vector control and Basic positioner EPOS via License.
- Safety functions: Safety Integrated STO, SBC, SS1.
- Additional safety option: Additional safety functions via EXTENDED SAFETY license.
- Interface and protection: Encoder interface: D-CLiQ+HTL/TTL/SSI Resolver/HTL via terminal. Degree of protection IP20 / UL open type.
- Service interface: USB and SD/MMC interface.
Applications
- RS485 drive communication: Drive communication over RS485 using USS or MODBUS RTU.
- Vector control operation: Variable-speed drive control with vector control.
- Positioning function setup: Positioning with Basic positioner EPOS via License.
- Drive safety integration: Implementation of Safety Integrated STO, SBC, and SS1 functions, with additional safety functions available via EXTENDED SAFETY license.
Technical Summary
| Product type | SINAMICS G120 Control Unit CU250S-2 |
|---|---|
| Communication | RS485 |
| Integrated protocols | USS / MODBUS RTU |
| Control mode | Sensorless vector control |
| Positioning | Basic positioner EPOS via License |
| Safety functions | STO, SBC, SS1 |
| Additional safety | EXTENDED SAFETY license |
| Operating voltage via the Power Module | DC 24 V |
| Standard digital inputs | 15 |
| Fail-safe digital inputs | 3 (Use of 2 × DI Standard) |
| Analog inputs | 2 (Differential input) |
| Analog outputs | 2 (Non-isolated output) |
Frequently Asked Questions
What is the Siemens 6SL3246-0BA22-1BA0?
It is a SINAMICS G120 Control Unit CU250S-2.
Which communication interface does the CU250S-2 have?
It has integrated RS485 communication with USS and MODBUS RTU.
How many standard digital inputs does this control unit provide?
It provides 15 standard digital inputs.
What is the operating voltage via the Power Module?
Operating voltage via the Power Module: DC 24 V.
