DKS01.1-W030B-RA02-01 Bosch Rexroth Indramat
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MPN: R911267564
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The Bosch Rexroth Indramat DKS01.1-W030B-RA02-01 is a digital servo drive from the DKS Intelligent Digital Servo Drives series. It operates at a rated current of 30 Amps with an AC input voltage of 3x230 V AC and features a DC bus voltage of 300 V. The unit offers resolver motor feedback and uses heat dissipation for cooling, with an IP10 protection class.
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Product Description:
The DKS01.1-W030B-RA02-01 is a servo drive produced by Bosch Rexroth Indramat and delivered within the DKS Intelligent Digital Servo Drives series. Version 1 of this unit interfaces with resolver feedback so it can determine rotor position and speed without requiring an optical encoder. Its digital control architecture processes those signals to command motor torque in real time for positioning and velocity loops in automated machinery. By combining compact packaging with reduced acoustic output, the drive fits control cabinets where limited space and strict sound limits coincide with the need for precise axis regulation.
Its three-phase input accepts 3×230 V AC within a ±10 % tolerance and converts this supply into a regulated DC link held at 300 V DC. The drive then delivers up to 30 A of continuous output current through a pulse-width-modulated bridge that switches at 18 kHz; the high carrier frequency lowers audible switching noise and improves current resolution. During full-load operation, the converter can demand 4.5 kVA from the mains, so upstream protection must be sized accordingly. Heat is removed by natural dissipation, and the open IP10 housing requires installation inside a filtered cabinet. Operation remains stable in Class F humidity and at elevations up to 1000 m without current derating.
Regenerative energy is managed by an internal bleeder resistor that absorbs continuous loads of 0.3 kW and can withstand momentary peaks of 5 kW to prevent the DC bus from rising above safe limits. Even with the bleeder isolated, overall power loss at maximum drive output is limited to 230 W, a figure that sets cabinet ventilation requirements. The electronics remain functional up to a derated ambient ceiling of 55 °C, provided that airflow across the heat sink is not obstructed. Cabinet airflow must account for conversion losses, regenerative loading, and the allowable ambient temperature.
Frequently Asked Questions about DKS01.1-W030B-RA02-01:
Q: What AC input voltage does the DKS01.1-W030B-RA02-01 servo drive support?
A: The DKS01.1-W030B-RA02-01 servo drive is rated for an input voltage of 3×230 V AC (±10%).
Q: What is the PWM switching frequency of the DKS01.1-W030B-RA02-01 servo drive?
A: This model features a PWM switching frequency of 18 kHz for precise motor control.
Q: What is the highest ambient temperature allowed for the DKS01.1-W030B-RA02-01 without further derating?
A: The maximum ambient temperature for derated operation is 55 °C.
Q: What type of motor feedback does the DKS01.1-W030B-RA02-01 use?
A: This servo drive is equipped with a resolver for motor feedback.
Q: How much bleeder power can the DKS01.1-W030B-RA02-01 servo drive handle continuously and at peak?
A: The DKS01.1-W030B-RA02-01 provides a continuous bleeder power rating of 0.3 kW and can handle peak loads up to 5 kW.
