... AC220V,50 HZ, <100 W.3.Main composition: dc servo motor, dc servo drive, the encoder, the rotary motion device, control ... software. 4.Main functions: understand and application of dc servo motor, understand and application of dc servo drive, dc servo manual ... application experiment, dc servo system PC control experiment, dc servo motor velocity loop adjustment loop (P, I) application training. 5.Annex ...