Product Identification
Product Name: SINAMICS S120 Control Unit CU320‑2 PN
Order Number: 6SL3040-1MA01-0AA0
Product Type: Multi‑axis motion control unit (without CF card)
Product Status: Active
Protection Class: IP20
Cooling Method: Convection / internal air cooling
Compatibility: For SINAMICS S120 drive systems; supports servo, vector, V/f control
Core Electrical Parameters (Voltage, Current, Power, Full Ratings)
| Parameter | Value |
|---|---|
| Electronics Power Supply (Nominal) | 24 V DC |
| Supply Voltage Range | 20.4 … 28.8 V DC (-16% / +20%) |
| Max. Total Current Consumption | 1.0 A (at 24 V DC, excl. external I/O loads) |
| Max. Power Loss | 24 W (at 24 V DC, excl. digital outputs) |
| Digital Inputs (DI) – Isolated | 12 channels; Voltage range: -3 … +30 V DC; Low level: -3 … +5 V DC; High level: 15 … 30 V DC; Typical input current: ~3.5–9 mA per channel; Response L→H: typ. 50 µs; Response H→L: typ. 100–150 µs |
| Digital I/O (Bidirectional DI/DO) | 8 channels (non‑isolated, configurable); Input specs same as above; Output voltage: 24 V DC; Max. load current per channel: 500 mA; Short‑circuit proof (continuous) |
| DRIVE‑CLiQ Interface | 4 ports; High‑speed serial communication; Internal 5 V DC supply for connected components |
| Auxiliary Internal Voltages | 5 V DC (backplane/communication) |
| Safety Integrated | STO (Safe Torque Off) supported; Compliant with SIL2, PL d, Cat. 3 |
Communication & Interface Specifications
- Primary Real‑time Communication: PROFINET IO (2 ports, 10/100/1000 Mbps)
- Additional Ethernet: 1 × standard Ethernet port (service/configuration)
- Legacy Fieldbus: 1 × PROFIBUS DP port (optional module compatible)
- Serial: 1 × RS232 (service/diagnostics)
- Sensor Interface: 2 × temperature sensor inputs (KTY, Pt1000)
- Process Data Bandwidth: High‑speed real‑time process & diagnostic data transfer
- Configuration: STARTER, TIA Portal, web server
Mechanical Specifications
| Parameter | Value |
|---|---|
| Dimensions (W × H × D) | 50 mm × 300 mm × 226 mm (1.97 × 11.81 × 8.90 in) |
| Net Weight | 2.20 … 2.30 kg (4.85 … 5.07 lb) |
| Mounting | Vertical cabinet mounting, standard S120 chassis mounting |
| Terminals | Screw terminals; PE: M5 screw; Max. cable cross‑section: 2.5 mm² (power), 1.5 mm² (I/O) |
| Slot Configuration | 1 × CF card slot; 1 × optional extension module slot |
Environmental Specifications
| Parameter | Value |
|---|---|
| Operating Temperature | 0 … +55 °C (32 … 131 °F) (no derating) |
| Storage Temperature | -25 … +70 °C (-13 … 158 °F) |
| Transport Temperature | -40 … +70 °C (-40 … 158 °F) |
| Relative Humidity | 5 … 95% RH, non‑condensing; max. 95% at 40 °C (transport) |
| Max. Operating Altitude | Up to 2000 m (6562 ft) above sea level (no derating) |
| EMC Compliance | EN 61000‑6‑2 (immunity), EN 61000‑6‑4 (emission), EN 55011 Group A |
