Core Electrical Specifications
| Parameter | Value | Notes |
|---|---|---|
| Product Type | SINAMICS DCM Two‑Quadrant DC Converter | Circuit: B6C (fully controlled 3‑phase bridge) |
| Rated Input Voltage | 3‑phase AC 400 V | Frequency: 45–65 Hz |
| Permissible Input Voltage Range | 3‑phase AC 320 V – 460 V | -20% to +15% of rated |
| Rated Input Current | 706 A | At rated load |
| Rated Output Voltage (Armature) | DC 485 V | Continuous operation |
| Rated Output Current (Armature) | 850 A | 40°C, 100% duty cycle |
| Peak Output Current (Armature) | 1530 A | 1.8 × rated, max 2 s |
| US‑Rating Output Current | 600 A | At 485 V DC |
| Field Rectifier | Controllable (D485/850) | Integrated |
| Rated Field Voltage | DC 325 V | Max field voltage |
| Rated Field Current | 30 A | Continuous field supply |
| Power Loss (Typical) | 10.5 kW | At rated load |
| Rated Output Power | 412 kW | DC output (485 V × 850 A) |
| Electronics Supply | 24 V DC | 0.8 A typical |
Power & Thermal
| Parameter | Value | Notes |
|---|---|---|
| Cooling Method | Forced air (internal fan) | IP00 protection |
| Ambient Temperature (Operation) | 0°C – 40°C | Derate 2.5%/°C above 40°C |
| Ambient Temperature (Storage) | -40°C – 70°C | Non‑condensing |
| Relative Humidity | 5% – 95% | Non‑condensing |
| Altitude | ≤ 1000 m | Derate 1%/100 m above 1000 m |
| Cooling Air Requirement | 1000 m³/h | Forced air cooling |
| Sound Pressure Level | 64.5 dB(A) | At 1 m distance |
Mechanical & Protection
| Parameter | Value | Notes |
|---|---|---|
| Protection Class | IP00 (open chassis) | |
| Dimensions (W×H×D) | 268 mm × 700 mm × 311 mm | Without terminal covers |
| Net Weight | 41.73 kg (92.00 lbs) | Unpacked |
| Mounting | Free‑standing / rack‑mount | Vertical orientation |
| Isolation Test Voltage | 2.5 kV AC | Power section to ground |
| Short‑Circuit Protection | Electronic current limiting | Adjustable trip levels |
| Overvoltage Protection | Varistor + active clamping | Input & output sides |
| Overtemperature Protection | Thermal sensor + shutdown | At heatsink & thyristors |
Communication & Control
| Interface/Feature | Details | |
|---|---|---|
| Communication Interfaces | PROFIBUS DP, PROFINET (via CUD) | Optional |
| Analog Inputs | 4 × 0–10 V / 0–20 mA | Isolated, 12‑bit resolution |
| Analog Outputs | 2 × 0–10 V / 0–20 mA | Isolated, 12‑bit resolution |
| Digital Inputs | 6 × 24 V DC | PNP/NPN selectable |
| Digital Outputs | 4 × 24 V DC, 2 A | Relay‑free (solid‑state) |
| Control Modes | Speed, torque, current | Field‑oriented control (FOC) |
| Control Accuracy | Speed: ±0.01% (encoder); Torque: ±1% | With encoder feedback |
