Core Electrical & Power Parameters
| Parameter | Value | Description |
|---|---|---|
| Input Voltage | 3‑phase AC 400V (320–460V range) | Nominal supply for power section |
| Input Current | 104A (3‑phase, at rated load) | Max AC input current at full load |
| Armature Output Current (Continuous) | 125A (Load Class I) | Rated continuous current; 187.5A for 60s (50% overload, 300s cycle) |
| Armature Output Current (US Rating) | 107A | Derated current for specific grid conditions |
| Armature Output Voltage | 420V DC (max 440V DC) | Rated DC voltage for motor armature |
| Power Rating | ~52.5kW (125A × 420V DC) | Nominal power at rated current/voltage |
| Field Output Current | 10A (continuous) | Controllable field rectifier output |
| Field Output Voltage | 325V DC (max) | Max voltage for field winding |
| Circuit Topology | (B6)A(B6)C | 4‑quadrant operation (regen capability) |
| Frequency | 45–65Hz | Compatible with standard grids |
| Control Supply | 230V AC (±15%), 50/60Hz | Auxiliary power for logic & control |
| Control Power Consumption | ~200VA | Typical for dual microprocessor control |
Overload & Protection Parameters
| Parameter | Value | Notes |
|---|---|---|
| Overload Current (Load Class I) | 187.5A for 60s (300s cycle) | 50% overload capacity |
| Overload Current (Load Class II) | 125A continuous; 187.5A for 60s (300s cycle) | For intermittent duty |
| I²t Protection | Yes | Prevents thyristor degradation via cyclic calculation |
| Protections | Overcurrent, overvoltage, undervoltage, overtemp, field loss, short‑circuit, reverse polarity | Comprehensive fault monitoring |
Control & Interface Features
| Feature | Details | |
|---|---|---|
| Regulation | 32‑bit microprocessor for current, speed, torque loops; auto‑tuning (P/I parameters) | |
| I/O | 8 digital inputs (24V DC, opto‑isolated); 4 digital outputs (relay, 250V AC/30V DC, 5A); 2 analog inputs (±10V, 12‑bit); 2 analog outputs (±10V, 12‑bit) | |
| Communication | USS protocol (standard); optional PROFIBUS DP/DeviceNet via Z‑options | |
| Field Rectifier | D420/125 | Controllable field rectifier for 10A/325V DC field supply |
| Cooling | Forced air with temperature monitoring; fan failure detection |
Physical & Environmental
| Parameter | Value | Notes |
|---|---|---|
| Dimensions (W×H×D) | 26.8cm × 38.5cm × 25.2cm | 19‑inch rack‑mount form factor |
| Weight | 14kg (shipping ~16kg) | Includes power & control sections |
| Operating Temp | 0–45°C | Derate 2.5% per °C above 45°C |
| Storage Temp | -25–70°C | No condensation |
| Humidity | 5–95% RH (non‑condensing) | IP20 protection class |
| Certifications | CE, UL, cUL | Compliant with global safety standards |
Ordering & Compatibility
| Item | Details | |
|---|---|---|
| Full Part Number | 6RA8031‑6DV62‑0AA0 | Base unit (no Z‑options) |
| Replacement | Direct replacement for 6RA7031‑6DV62‑0 | SINAMICS DCM upgrade |
| Mounting | 19‑inch rack or wall‑mount (with adapter) | |
| Availability | Active product (SINAMICS DCM series) | Current production |
