1. Basic Identification
| Item | Specification |
|---|---|
| Model | DCS550‑S02‑0820‑05‑00‑00 |
| Product family | ABB DCS550 DC Drive |
| Topology | 4‑quadrant, fully regenerative dual converter |
| Frame size | F4 |
| Protection class | IP00 (open chassis) |
| Cooling | Forced air cooling |
| Control panel | Optional CDP312 control panel |
| Certifications | CE, cULus, EMC compliant with EN 61800‑3 |
2. AC Mains Input Ratings
| Parameter | Value |
|---|---|
| Input type | 3‑phase AC |
| Nominal input voltage | 3AC 400 V (range 230 … 525 V) |
| Voltage tolerance | –15% / +10% |
| Input frequency | 50 / 60 Hz (auto‑sensing) |
| Mains connection | Direct 3‑phase supply |
| Short‑circuit withstand | 10 kA for 1 s |
| Recommended mains fuse | 1000 A, 690 V class |
3. DC Armature Output Ratings
| Parameter | Value |
|---|---|
| Rated armature current IdN | 820 A continuous |
| Peak armature current Idmax | 2050 A (250% × In) |
| Peak duration | 60 seconds |
| Medium overload | 150% × In for 10 min |
| Rated armature voltage UdN | Up to 490 VDC (at 525 VAC input) |
| Max armature voltage | Up to 510 VDC |
| Rated output power | Up to 401.8 kW (at 490 VDC, 820 A) |
| Max output power | Up to 418.2 kW (at 510 VDC) |
| Current ripple | < 5% typical |
| Voltage ripple | < 1% typical |
| Control method | PWM controlled thyristor bridge |
4. Field Exciter Ratings
| Parameter | Value |
|---|---|
| Field supply | Integrated 3‑phase controlled rectifier |
| Rated field current IfN | 35 A continuous |
| Maximum field current | 40 A |
| Field voltage range | 0 … 420 VDC |
| Control mode | Programmable constant current / field weakening |
| Field weakening range | Up to 1:10 speed range (depending on motor) |
5. Performance Characteristics
| Parameter | Value |
|---|---|
| Speed regulation (with encoder) | ±0.01% of base speed |
| Speed regulation (without encoder) | ±0.5% of base speed |
| Current loop bandwidth | ≥ 1000 Hz |
| Speed loop bandwidth | ≥ 200 Hz |
| Current rise time | < 1 ms |
| Speed setting resolution | 16 bit |
| Control modes | Speed control, torque control, tension control, field weakening |
6. Control & Interfaces
| Interface | Specification |
|---|---|
| Analog inputs | 4 × 15‑bit (0–10 V, ±10 V, 0–20 mA) |
| Analog outputs | 3 × 11‑bit (0–10 V, ±10 V) |
| Digital inputs | 8 × 24 VDC (sink/source configurable) |
| Digital outputs | 5 × relay / transistor outputs |
| Encoder input | Incremental encoder: 5 V / 24 V, A/B/Z |
| Tachometer input | 0 … 10 V DC |
| Motor temperature | 1 × PTC input |
| Fieldbus slots | 2 slots for communication options |
| Supported fieldbuses | Profibus DP, Ethernet/IP, PROFINET, Modbus TCP/RTU, CANopen, DeviceNet |
| PC tools | DriveWindow Light, Adaptive Programming (AP) |
7. Environmental & Mechanical Data
| Parameter | Value |
|---|---|
| Ambient temperature (operation) | 0 °C … +40 °C |
| Storage temperature | –20 °C … +60 °C |
| Relative humidity | 5–95% RH, non‑condensing |
| Altitude | ≤ 1000 m (derate 1% per 100 m above) |
| Dimensions (W × H × D) | 644 × 270 × 345 mm |
| Weight | 38 kg |
| Cooling air flow | ~1500 m³/h |
8. Model Code Explanation
| Code | Meaning |
|---|---|
| DCS550 | Drive series |
| S0 | Standard chassis drive |
| 2 | 4‑quadrant regenerative operation |
| 0820 | Rated armature current = 820 A |
| 05 | Supply voltage range: 230–525 VAC |
| 00‑00 | No factory‑mounted options |









