| Feature | Description | |---------|-------------| | | 4A to 2700A (armature current); 4A to 630A (field current) | | Supply Voltage | 115V to 500V AC (50/60 Hz) – three-phase input | | Armature Voltage | Up to 485V DC (typical, depending on input) | | Field Output | Fixed or regulated field supply (half or full control) | | Control Modes | Armature voltage feedback, tachogenerator feedback, encoder feedback | | Speed Range | 100:1 (voltage feedback); 1000:1 (encoder/tacho) | | Stability | ±0.1% with encoder feedback | | Current Loop | Automatic or manual tuning, PI control |