Core Electrical Specifications
| Parameter | Value |
|---|---|
| Model | 6RA2485-6DV62-0 |
| Product Type | SIMOREG K digital chassis converter for four – quadrant drives ((B6)A(B6)C circuit, regenerative operation), controllable field rectifier D420/600 MREQ – GEGF 6V62 |
| Input Voltage | 3 – phase AC 400 V (50/60 Hz) |
| Input Current | 660 A (3 – phase AC, at rated load) |
| Output Voltage (Armature) | 420 V DC (continuous) |
| Output Current (Armature) | 800 A DC (continuous) |
| US – Rating Output (Armature) | 420 V DC, 560 A DC |
| Field Input Voltage | 2 – phase AC 400 V |
| Field Output Voltage | 300 V DC (max.) |
| Field Output Current | 25 A DC (continuous) |
| Power Rating (Approx.) | 336 kW (420 V × 800 A, armature continuous) |
| Control Type | Microprocessor – based SCR (thyristor) rectifier control |
| Cooling Method | Forced air cooling (integrated fan) |
| Power Loss | 3200 W (at rated DC current) |
| Protection Features | Overcurrent, overvoltage, undervoltage, overheating, field loss, short – circuit, reverse polarity protection; IEC/EN safety compliant |
| Communication Interfaces | PROFIBUS DP (built – in); optional RS485, Interbus – S |
| Control Unit | Standard microprocessor control unit, supporting closed – loop speed, current, and field control |
Performance Specifications
| Parameter | Value |
|---|---|
| Four – Quadrant Operation | Yes ((B6)A(B6)C circuit, regenerative braking to grid) |
| Control Modes | Armature voltage control, field current control, speed control (sensorless or with encoder/tachogenerator feedback) |
| Regulation Accuracy | Speed control ±0.01% of rated speed (with encoder feedback) |
| Dynamic Response | Current control loop: < 12 ms; speed control loop: < 120 ms |
| Overload Capacity | 150% of rated armature current for 60 s; 200% of rated armature current for 2 s |
| Power Factor | 0.90 (typical, at rated load) |
| Output Voltage Ripple | Low ripple via microprocessor – controlled SCR firing |
| Duty Cycle | Continuous (DC1 duty class) |
Mechanical & Environmental Specifications
| Parameter | Value |
|---|---|
| Mounting Type | Chassis – mounted (panel/rack installation) |
| Dimensions (H×W×D) | 650 mm × 350 mm × 400 mm (25.6 in × 13.8 in × 15.7 in) |
| Net Weight | 31 kg (68.3 lbs) |
| Operating Temperature | 0°C to 40°C (32°F to 104°F) (derate 2.5% per 1°C above 40°C) |
| Storage Temperature | -25°C to 70°C (-13°F to 158°F) |
| Relative Humidity | 5% to 95% (non – condensing) |
| Altitude | Up to 1000 m (3280 ft) (derate 1% per 100 m above 1000 m) |
| IP Rating | IP00 (open frame), IP20 (chassis with protective cover) |
Key Features
- Four – Quadrant Regenerative Operation: Delivers 800 A continuous armature current with energy feedback to the grid, suitable for cranes, rolling mills, and test stands.
- Independent Field Control: 300 V DC / 25 A field output optimizes motor field performance for improved efficiency and control precision.
- Microprocessor – Based Control: Enables accurate speed and current regulation for high – precision industrial processes.
- Robust Protection: Comprehensive protection mechanisms ensure reliable operation in harsh industrial environments.
- Flexible Communication: Built – in PROFIBUS DP and optional industrial communication interfaces allow seamless integration into automation systems.
