... ,90 sections minor regulation of levelsNeilsbed Shift:Servo Motor, left/ right: 12PMain Roller:torque motor / stepping motorAuto Stopper:yarn break, yarn knot, fabric ... value to set up the speed and breadthMain Motor:Servo Motor, AC220V, 1000WSpeed of Main Motor:1000rpm/ 2500rpmVoltage:DC voltage 5v-48v, AC ... Capacity: above 90% communication between main control board and main motor/roller