Delta's VFD-VL series AC motor drive designed for elevators are based on year's of experiences in designing AC motor drives, and the latest control technology adopted in VFD-VL will offer you high reliability and safety. All the features of VFD-VL are to meet the needs from the market, e.g. controlling the brake for motors, backup electricity, built-in brake loop, auto-tuning of motor parameters, numerous encoder interfaces, bountiful communication functions and self protection, etc.