DDS03.1-W050-RA01-01 Bosch Rexroth Indramat
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MPN: R911267368
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The Bosch Rexroth Indramat DDS03.1-W050-RA01-01 is a Digital AC Servo Drive Controller and a member of the DDS Drive Controllers series. It features a rated current of 50 Amps, resolver feedback for motor control, and an analog communication interface. The unit is cooled by air drawn from inside the control cabinet and conforms to IP20 protection with an operating temperature range of 0 to 45°C.
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Product Description:
The DDS03.1-W050-RA01-01 is produced by Bosch Rexroth Indramat and belongs to the DDS Drive Controllers series. As a servo drive controller, it supplies regulated three-phase power to matched Indramat motors for closed-loop axis operation in machine tools, printing lines, and assembly cells. This arrangement allows the drive to regulate motor speed and position with continuous feedback rather than open-loop motor control. The Line 03 identifier places this model among the mid-power DDS units, and the RA01 option code indicates compatibility with resolver-equipped motors for position feedback. Its Function ID 01 and Version 1 settings keep it within the standard DDS parameter structure.
This controller delivers a rated output of 50 A, providing enough current for medium-torque servomotors during acceleration and continuous load. Command signals enter through an analog interface, allowing ±10 V velocity or torque references from older PLC hardware without digital buses. Thermal energy is removed by air from inside the control cabinet, so the enclosure must maintain steady airflow to avoid derating. Drive status and vector control rely on resolver feedback, so shielded feedback lines help keep position error low. The housing has an IP20 protection rating, which protects against contact with live parts but does not seal against dust. For that reason, the unit is intended for installation inside an enclosed panel within the stated ambient limits.
The unit operates at altitudes up to 1000 m without output reduction and sustains ambient temperatures from 0 to 45 °C during service. When powered down, it tolerates storage or transport environments from -30 to 85 °C without damage to internal components. Classified as a Digital AC Servo Drive Controller, it performs current vector calculations internally while still accepting analog commands. This allows the controller to work with older control architectures while driving digitally commutated motors. Its operating and storage limits support use in standard industrial cabinets where temperature control and ventilation are maintained.
Frequently Asked Questions about DDS03.1-W050-RA01-01:
Q: What communication interface does the DDS03.1-W050-RA01-01 drive controller use?
A: The DDS03.1-W050-RA01-01 controller is equipped with an analog communication interface for standard system integration.
Q: How is the DDS03.1-W050-RA01-01 drive controller cooled?
A: This model uses internal air cooling within the control cabinet for thermal management.
Q: What is the rated current capacity of the DDS03.1-W050-RA01-01?
A: The rated current of the DDS03.1-W050-RA01-01 drive controller is 50A.
Q: What type of motor feedback does the DDS03.1-W050-RA01-01 support?
A: The drive controller provides resolver feedback for motor position detection.
Q: What is the protection category rating for the DDS03.1-W050-RA01-01 controller?
A: This device features IP20 protection, offering solid protection against touch but not against water ingress.
