Yaskawa’s Sigma family of servo motors has taken the next technological step using high-resolution serial encoder feedback. Position information is transmitted to the amplifier allowing full error checking which eliminates position error caused by electrical noise and prevents runaway conditions. This all-digital feedback design enables the amplifier to automatically recognize the motor and optimize settings. Also, Yaskawa’s Rotary Servo Motors (AC brushless servo motor) lines with speeds to 6,000 rpm and torques to 1,182 Nm (over 870 lb-ft).