Siemens 6SL3244-0SA01-1AA1 is an ICU24F fail-safe control unit for the modular ET 200S FC frequency converter. It performs closed-loop drive control, communicates through the ET 200S backplane and evaluates safety-group signals for integrated safety functions.
Official Siemens inspection documentation identifies the exact -1AA1 order number as ICU24-F hardware versions A01 and A02. Replacement requires confirmation of terminal module, power module, safety software, parameter memory and the validated machine safety configuration.
| Complete part number | 6SL3244-0SA01-1AA1 |
| Manufacturer | Siemens AG |
| Product family | SINAMICS / ET 200S FC |
| Product designation | Fail-safe ICU24F control unit |
| Official documentation | Siemens ET 200S FC manual and exact ICU24-F inspection document |
| Lifecycle wording | Not confirmed for this complete model |
| Control-unit type | ICU24F fail-safe frequency-converter control unit |
| Platform | Modular ET 200S FC |
| Safety functions | STOP 0, STOP 1 and safely reduced speed |
| Compatible power modules | IPM25 0.75 kW, 2.2 kW and 4.0 kW |
| Interfaces | PM-IF, ET 200S backplane bus, MMC-PS, RS232, PTC/KTY84 and speed encoder |
| Safety groups / indication | G1–G6 safety-group evaluation; ten front-panel status LEDs |
| Supply / current drain | 24 V DC; 0.8 A maximum, 0.4 A typical |
| Dimensions / weight | 15 × 220 × 156 mm with terminal module; approximately 250 g |
| Ambient / protection | −10 to +60 °C horizontal; −10 to +40 °C vertical; IP20 |
| Exact documented revision | ICU24-F hardware A01/A02; safety software 03.00.49.00 in Siemens inspection document |
No exact Siemens lifecycle wording was confirmed for 6SL3244-0SA01-1AA1 in the accessible official records. Siemens inspection documentation confirms the complete order number and ICU24-F hardware revisions, but this page does not infer Active, Discontinued or Obsolete status. Obtain current lifecycle and replacement guidance from Siemens.
It is an ICU24F fail-safe control unit for modular ET 200S FC frequency-converter assemblies.
The Siemens manual describes STOP 0, STOP 1 and safely reduced speed for the ICU24F.
The ICU24F supports ET 200S FC IPM25 modules rated 0.75 kW, 2.2 kW and 4.0 kW.
Do not assume interchangeability; verify hardware revision, safety software, terminal module and validated machine configuration with Siemens.
Confirm the full suffix, hardware revision, safety configuration, IPM25 module, interfaces and parameter backup.
Send the full 6SL3244-0SA01-1AA1 order number, hardware revision and ET 200S FC configuration for review.
Drive-safety review centered on ICU24F revision, IPM25 pairing, interfaces and validated safety functions.
We review the ET 200S FC architecture, safety groups, power module and parameter requirements.
We check the full -1AA1 order number, hardware revision and visible ICU24F identification.
We package sensitive drive electronics and coordinate protected international delivery.
Share the exact model, application data and destination for availability and compatibility review.
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Send the complete part number for availability, compatibility, warranty and global delivery review.
