• Microprocessor based • 0.25% voltage regulation accuracy • 0.5% accuracy up to 40% Total Harmonic Distortion (THD) (harmonics associated with six-thyristor load) • 63 Vdc and 125 Vdc @ 10 Adc pulse-width-modulated (PWM) output • Capable of 10 Adc continuous field current output when system temperature is 55°C (131°F) or below • Load Sharing over Ethernet • Auto tuning feature with two PID stability groups • Var/PF control • Exciter Diode Monitor (EDM) • Overexcitation limiting • Underexcitation limiting • Stator current limiting • Voltage matching • Manual mode (field current regulation) • Paralleling input from 1-amp or 5-amp CT secondaries • Nominal sensing inputs of 120, 240, 480, and 600 Vac • Power input from 50/60 Hz shunt connection or permanent magnet generator (PMG) operating at 50 to 500 Hz • Integrated protection functions including Loss of Sensing and Transfer to Manual • LED annunciation of operating conditions • Ethernet communications with Modbus® TCP • Set up via PC using BESTCOMSPlus® software (included) • Customizable logic in BESTlogic™Plus • IP54 rating when rear-mounted USB option is selected