The R911280477 (MDD090C-N-020-N2M-110GA2) is a digital AC servo motor featuring permanent-magnet technology and an integrated multiturn absolute encoder for commutation, rotor position, and speed control. It provides a nominal speed of 2000 min⁻¹ and delivers a continuous torque of 10.4 Nm at standstill. The unit incorporates digital servo feedback (DSF), a plain shaft with shaft seal, a blocking brake with 11.0 Nm holding torque, and a centering diameter of 110 mm. Connection is via a connector oriented toward side A, and the motor housing and balancing conform to standard specifications.