DKS01.1-W050A-R Bosch Rexroth Indramat
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MPN: R911263244
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The Bosch Rexroth Indramat DKS01.1-W050A-R is a digital servo drive and part of the DKS Intelligent Digital Servo Drives series. It operates with a 3-phase 230 V AC input voltage, supports a continuous current of 25 A, and delivers a peak current of 50 A. The drive features a resolver feedback interface and a cooling method based on heat dissipation.
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Product Description:
The DKS01.1-W050A-R is a digital servo drive produced by Bosch Rexroth Indramat within the DKS Intelligent Digital Servo Drives series. In automated machinery, the unit regulates torque, speed, and position of compatible servo motors through closed-loop resolver feedback. By pairing with a higher-level motion controller, it converts three-phase mains power into a pulse-width-modulated output suitable for precision axis control on packaging lines, material-handling stations, and general-purpose assembly cells.
Electrically, the drive accepts a nominal supply of 3×230 V AC at 50 to 60 Hz and internally rectifies it to 300 V DC on the power bus. Continuous output capability is 25 A, allowing sustained operation near rated motor load, while momentary acceleration or deceleration commands can be handled with a peak of 50 A. A fixed switching rate of 4 kHz shapes the output waveform and influences motor acoustic behavior as well as the drive's thermal profile. Resolver signals enter through the RSF interface, and the control circuit processes that feedback in real time for closed-loop operation. At maximum load, the electronics dissipate 305 W, so cabinet ventilation must accommodate this heat along with the unit's conduction-based cooling path.
The integrated brake chopper is rated for 9.4 kW of peak regeneration and 0.35 kW continuously, preventing DC-bus overvoltage during abrupt stops without external hardware. The permitted operating range is +5 to +45 °C, while storage is allowed from -30 to +85 °C and installation heights up to 1000 m do not require derating. The housing has an IP10 protection rating, which indicates open-frame construction intended for installation inside a closed control cabinet. Heat is removed through passive dissipation, so clear airflow around the heat sink helps maintain normal operation. Overall noise emission is classified as standard.
Frequently Asked Questions about DKS01.1-W050A-R:
Q: What is the continuous current rating of the DKS01.1-W050A-R servo drive?
A: The DKS01.1-W050A-R digital servo drive operates with a continuous current rating of 25 A.
Q: What input voltage is required to operate the DKS01.1-W050A-R drive?
A: This servo drive accepts a three-phase 230 V AC input voltage with a tolerance of ±10%.
Q: What type of encoder feedback is used in the DKS01.1-W050A-R?
A: The DKS01.1-W050A-R uses a resolver (RSF) as its encoder feedback interface for precise position detection.
Q: What is the permissible ambient operating temperature range for the DKS01.1-W050A-R?
A: The rated ambient temperature for this drive's operation is between +5 and +45 °C.
Q: What is the peak bleeder power rating for the DKS01.1-W050A-R servo drive?
A: This model features a peak bleeder power of 9.4 kW to effectively handle regenerative energy.
