Product Description:

The MAC090B-0-PD-4-C/110-B is an AC servo motor produced by Bosch Rexroth Indramat within the MAC AC Servo Motors series. As a closed-loop rotary actuator, it converts drive commands from analog amplifiers into controlled mechanical rotation for indexing tables, packaging machinery, and material-handling axes in factory automation. The motor provides position and speed control suitable for mid-torque applications while maintaining compact dimensions and simple cooling.

The stator housing has a centering shoulder of 110 mm, which helps align the motor accurately against a gearbox or machine flange during installation. Under rated excitation, the rotor reaches 1500 rpm, a nominal speed that suits many line-synchronized processes when paired with appropriate gearing. Heat is removed by natural convection, so airflow around the frame should remain unobstructed during operation. Magnetic behavior corresponds to winding code PD, and this winding sets the phase resistance and inductance values used by the companion analog drive for current regulation. Integrated tacho windings generate 3 V/1000 rpm, supplying velocity feedback directly to the controller without a separate external sensor. Power conductors exit through a connector on side B, which can simplify cable routing when the motor flange faces the machine frame.

Position information is delivered through a combined sensor package that supports tachofeedback with incremental or absolute encoder signals, allowing either velocity-only control loops or full position control depending on the connected electronics. Because the motor is a motor for analog drives, its feedback voltage and polarity are matched to Indramat transconductance amplifiers that regulate armature current in real time. The tachometer is graded as Standard, indicating normal linearity and ripple values that are suitable for typical servo accuracy in general automation. This feedback arrangement supports stable motion control without requiring a separate sensing assembly mounted outside the motor.