Product Overview
Technical Summary
| Product designation | SINAMICS G120 CONTROL UNIT CU240E-2 E-TYPE SAFETY INTEGRATED STO |
|---|---|
| Communication | RS485; USS protocol |
| Standard digital inputs | 6 |
| Fail-safe digital inputs | 1 (Use of 2 × DI Standard) |
| Relay-changer outputs | 2 |
| Differential analog/digital inputs | 2 |
| Non-isolated analog outputs | 2 |
| Supply via Power Module | DC 24 V |
| External power supply | DC 20 … 29 V |
| Interfaces | USB and SD/MMC |
| Degree of protection | IP20 / UL open type |
Key Features
- Control unit and safety: SINAMICS G120 CU240E-2 E-TYPE control unit with integrated STO; Power Module and panel are not included.
- Interfaces: RS485 communication with USS protocol, plus USB and SD/MMC interfaces.
- I/O configuration: 6 standard digital inputs, 1 fail-safe digital input using 2 × DI Standard, 2 relay-changer outputs, 2 differential analog/digital inputs and 2 non-isolated analog outputs.
- Control techniques: Supports V/f linear / square-law / parameterizable, V/f with flux current control (FCC), V/f ECO linear / square-law, sensorless vector control and encoderless torque control.
- Supply and protection: Operating voltage via the Power Module: DC 24 V; external power supply: DC 20 … 29 V. Degree of protection: IP20 / UL open type.
- Standards: Compliance with CE, UL, cUL, RCM and SEMI F47; CE marking under low-voltage directive 2014/35/EC.
Frequently Asked Questions
What does Siemens order number 6SL3244-0BB12-1BA1 identify?
It identifies a SINAMICS G120 CU240E-2 E-TYPE control unit with integrated STO, RS485 USS interface, USB and SD/MMC interfaces, supplied without a Power Module and panel.
Which I/O specifications distinguish this configuration?
It has 6 standard digital inputs, 1 fail-safe digital input using 2 × DI Standard, 2 relay-changer outputs, 2 differential analog/digital inputs and 2 non-isolated analog outputs.
Which code and nameplate details should be checked before inquiry?
Check the complete order number 6SL3244-0BB12-1BA1 and confirm the CU240E-2 E-TYPE designation, integrated STO, RS485 USS interface and IP20 / UL open type protection.
What information is needed for a quotation request?
Provide the required quantity and destination together with the complete order number 6SL3244-0BB12-1BA1.
