Core Electrical Specifications
| Parameter | Value |
|---|---|
| Model | 6RA7081-6DV62-0-Z D64 |
| Product Type | SIMOREG DC Master digital chassis converter for four-quadrant drives (B6C connection, regenerative operation), with Option Z (basic unit) and Option D64 (communication interface) |
| Input Voltage | 3-phase AC 400 V (50/60 Hz) |
| Input Current | 332 A (3-phase AC) |
| Output Voltage (Armature) | 420 V DC |
| Output Current (Armature) | 400 A DC (continuous) |
| US-Rating Output (Armature) | 420 V DC, 286 A DC |
| Field Input Voltage | 400 V AC |
| Field Output Voltage | 325 V DC |
| Field Output Current | 25 A DC |
| Power Rating (Approx.) | 168 kW (420 V × 400 A, armature continuous) |
| Control Type | Microprocessor-based, SCR (thyristor) rectifier technology |
| Cooling Method | Forced air cooling (fan) |
| Protection Features | Overcurrent, overvoltage, undervoltage, overheating, field loss, short-circuit, and reverse polarity protection |
| Communication Interfaces (Option D64) | RS232, RS485, PROFIBUS DP, SIMOLINK |
Performance and Functional Specifications
| Parameter | Value |
|---|---|
| Four-Quadrant Operation | Yes (regenerative, B6C circuit) |
| Control Modes | Armature voltage control, field current control, speed control (sensorless or with tachogenerator/encoder feedback) |
| Regulation Accuracy | Speed control ±0.01% of rated speed (with encoder feedback) |
| Dynamic Response | Current control loop: < 10 ms; speed control loop: < 100 ms |
| Overload Capacity | 150% of rated armature current for 60 s; 200% of rated armature current for 2 s |
| Protection Class | IP20 (chassis) |
Mechanical & Environmental Specifications
| Parameter | Value |
|---|---|
| Dimensions (W×H×D) | 61.00 cm × 36.00 cm × 25.00 cm |
| Net Weight | 32.0 kg |
| Mounting Type | Chassis-mounted (panel or rack installation) |
| Operating Temperature | 0°C to 40°C (32°F to 104°F) (derate 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 above 1000 m) |
| IP Rating | IP20 (chassis), IP00 (open frame) |
Key Features
- Four-Quadrant Operation: Supports forward/reverse rotation and motor/generator modes, enabling regenerative braking to feed energy back into the grid.
- Controllable Field Rectifier: Supplies 325 V DC / 25 A to the motor field winding, allowing independent adjustment of the field current for optimized motor performance.
- High Power Density: 400 A continuous armature current in a compact chassis design.
- Integrated Communication: Option D64 provides RS232, RS485, PROFIBUS DP, and SIMOLINK interfaces for seamless integration into industrial networks.
- Advanced Protection: Comprehensive protection features ensure safe and reliable operation in demanding industrial environments.







