Product Overview
Technical Summary
| Parameter | Value |
|---|---|
| Product type | SINAMICS G120 CU240E-2 E-Type control unit |
| Communication interface | RS485 |
| Protocol | USS |
| Standard digital inputs | 6 |
| Fail-safe digital inputs | 1 (Use of 2 × DI Standard) |
| Relay changer outputs | 2 |
| Analog / digital inputs | 2 (Differential input) |
| Analog outputs | 2 (Non-isolated output) |
| External power supply | DC 20 … 29 V |
| Protection | IP20 / UL open type |
| Signal cable conductor cross-section | 0.05 … 1.50 mm2 (AWG 28 … AWG 16) |
| Exclusion | Without power module and panel |
Key Features
- RS485 USS interface: Communication uses an RS485 interface with the USS protocol.
- Digital input configuration: The unit has 6 standard digital inputs and 1 fail-safe digital input using 2 standard digital inputs.
- Analog and relay I/O: It has 2 differential analog/digital inputs, 2 non-isolated analog outputs, and 2 relay changer outputs.
- Control techniques: Supported techniques include 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.
- Electrical supply: Operating voltage is DC 24 V via the Power Module or DC 20 … 29 V via an external power supply. Maximum power consumption is 0.50 A and power loss is 5.50 W.
- Interfaces and protection: The unit has USB- and SD/MMC-interfaces, IP20 / UL open type protection, and an ambient operation temperature of -10 … 55 °C (14 … 131 °F).
Frequently Asked Questions
1. What is Siemens 6SL3244-0BB12-1BA1?
It is a SINAMICS G120 CU240E-2 E-Type control unit with integrated STO, an RS485 interface, and USS protocol.
2. How many digital inputs does the control unit have?
It has 6 standard digital inputs and 1 fail-safe digital input, using 2 standard digital inputs.
3. Which communication interface and protocol are provided?
The unit provides an RS485 interface with the USS protocol.
4. What is excluded from this configuration?
It is without a power module and panel.
