Core Electrical Specifications
| Parameter | Value | Notes |
|---|---|---|
| Product Type | DCS550 DC Drive, Double‑Bridge 4‑Quadrant | 4‑quadrant operation (forward/reverse motoring & regenerative braking)ABB |
| Rated Input Voltage | 3‑phase AC 525 V | Nominal; 50/60 HzABB |
| Input Voltage Range | 3‑phase AC 230 V – 525 V | -15% / +10% toleranceeero |
| Rated Armature Current (Continuous) | 50 A DC | 40°C, 100% duty cycleABB |
| Peak Armature Current | 75 A DC | 1.5 × rated, max 2 seconds |
| Rated Armature Output Voltage | 525 V DC | At rated input voltage |
| Rated Output Power | 26.25 kW | Calculated: 525 V × 50 A |
| Integrated Field Supply | 3‑phase controllable | Built‑in, no external unit neededeero |
| Rated Field Current Range | 1 – 12 A DC | Adjustable; max 12 A continuous |
| Rated Field Voltage | 310 V DC | Max field output voltage |
| Typical Power Loss | ~2.1 kW | At full rated load (estimated) |
| Control Modes | Speed, Torque, Current | Closed‑loop / open‑loop |
| Speed Control Accuracy | ±0.01% (with encoder) | High‑precision speed regulation |
Power & Thermal Specifications
| Parameter | Value | Notes |
|---|---|---|
| Cooling Method | Internal fan | Integrated forced air cooling |
| Ambient Temperature (Operation) | 0°C – 40°C | Derate 2.5% per °C above 40°C |
| Ambient Temperature (Storage) | -40°C – 70°C | Non‑condensing |
| Relative Humidity | 5% – 95% | Non‑condensing |
| Altitude | ≤ 1000 m | Derate 1% per 100 m above 1000 m |
| Cooling Airflow | ~300 m³/h | Forced ventilation requirement (estimated) |
| Sound Pressure Level | ~62 dB(A) | At 1 m distance (estimated) |
Mechanical & Protection
| Parameter | Value | Notes |
|---|---|---|
| Protection Class | IP00 (open chassis) | For cabinet installationeero |
| Dimensions (H×W×D) | 370 mm × 270 mm × 208 mm | Without terminal coversABB |
| Net Weight | 11 kg | UnpackedABB |
| Mounting | Vertical rack‑mount / free‑standing | Vertical orientation only |
| Isolation Test Voltage | 2.5 kV AC | Power section to ground |
| Short‑Circuit Protection | Electronic current limiting + fast fuses | Adjustable trip thresholds |
| Overvoltage Protection | Varistor + active clamping | Input & output sides |
| Overtemperature Protection | Heatsink thermal sensor + shutdown | Automatic fault protection |
| Safety Feature | Safe Torque Off (STO) | Standard, certified safety function |
Control & Communication Interfaces
| Interface | Details | |
|---|---|---|
| Analog Inputs | 4 × 0–10 V / 0–20 mA | Isolated, 15‑bit resolutioneero |
| Analog Outputs | 3 × 0–10 V / 0–20 mA | Isolated, 11‑bit resolution; 1 fixed for armature currenteero |
| Digital Inputs | 8 × 24 V DC | PNP/NPN configurableeero |
| Digital Outputs | 5 × 24 V DC, 2 A | Solid‑state (relay‑free); 1 for mains breakereero |
| Encoder Feedback | Supports TTL / HTL / SinCos encoders | High‑resolution position feedbackeero |
| Fieldbus Options (Pluggable) | PROFIBUS DP, CANopen, DeviceNet, Modbus RTU, Ethernet/IP, Modbus TCP, EtherCAT, PROFINET | Optional moduleseero |
| Built‑in PID Controller | Standard | For process control (tension, pressure, etc.) |
| Programming | Custom AP (Application Programming) | 16 function blocks for logic/ math |
| Motor Temperature Input | 1 × PTC | For motor th |
