Bosch Rexroth Company produces top-tier motion control, automation, and other technologies for industrial use. Brushless servo motors are among these products and the SD-B5.380.012-01.000motor is part of their catalog. Its performance is bolstered the SM 17/35-T servo module. This servo module together with a supply module makes up an operative installation. To control the speed and torque of the SD-B5.380.012-01.000, the servo module utilizes a rotor position recognition function and a brushless tacho. The SM17/35-T module regulates the current with the help of the commutation encoder of the motor. This ensures that a suitable current reaches the motor windings generating instant torque.
The module features a rated current of 17A, maximum DC link voltage of 700V, and a peak current of 35A. It has a maximum power loss of 150W, a 22W power supply to generate energy, and a rated DC link voltage of 460V. To regulate the SD-B5.380.012-01.000 speed and torque, the SM 17/35-T installation elevation should not exceed 1000 meters above sea level and the ambient storage and operating temperature should be -25 to 70 degrees and 0 to 55 degrees respectively. The module utilizes a forced ventilation cooling method. A space of 100mm should be left above and below the module to ensure maximum air circulation.
To further control the motor, options such as Tandem drive, backlash compensation, ramp generator, and short circuit braking are available. The ramp generator module limits the leading and trailing edges of the command signal, limiting the time for the SD-B5.380.012-01.000 to accelerate and brake. The short circuit braking ensures that the feed axes slow down in a controlled way in the event of an E.Stop. The resistor should have 785Ws minimum energy and 3.3Ohms resistance.
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