Motor ratings that decide the drive match
The SH31002M11F2000: This SH3 frame servo delivers 1.1 kW continuous power and 5.28 N·m nominal torque when fed from a 400 V three-phase supply. At 480 V three-phase the nominal torque holds at 5.28 N·m but the output power climbs to 1280 W — the speed ceiling lifts to 2400 rpm. On a 230 V single-phase line the same motor produces 5.5 N·m at 1000 rpm; on 115 V single-phase it drops to 5.62 N·m at 500 rpm. The peak stall torque is 18.3 N·m across the 115–480 V three-phase range, which sets the acceleration ceiling for the load.
Encoder and feedback — what the drive expects
The encoder is an absolute single-turn SinCos Hiperface type. That means the drive gets position at power-up without a homing move — the single-turn resolution covers one revolution. The SinCos analog tracks give the drive fine interpolation for velocity ripple control. The motor has 4 poles, so the electrical frequency at 2000 rpm is 66.7 Hz — well within the encoder bandwidth.
Mounting and mechanical interface
Flange size is 100 mm with a 95 mm centring collar and 3.5 mm collar depth. The shaft is 19 mm diameter with a parallel key 6 mm wide and 40 mm shaft length. Four mounting holes at 9 mm diameter on the flange. The rotatable right-angled connector lets the cable exit in any of four orientations — useful when the motor is shoehorned into a tight axis.
