DKS01.1-W050A-DS01-01 Bosch Rexroth Indramat
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MPN: R911262420
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The Bosch Rexroth Indramat DKS01.1-W050A-DS01-01 is a digital servo drive from the DKS Intelligent Digital Servo Drives series. It supports a continuous current of 25 Amps and a peak current of 50 Amps, with a bus DC voltage of 300 Volts. The drive weighs 11 kilograms, uses a DSF encoder type, and operates with input voltages of 3x 230 Volts at 50 to 60 Hz.
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Product Description:
The DKS01.1-W050A-DS01-01 is a digital servo drive manufactured by Bosch Rexroth Indramat for the DKS Intelligent Digital Servo Drives series. It resides between the motion controller and an Indramat servo motor, converting three-phase line power into a regulated DC link and pulse-width-modulated phase currents. The drive closes torque, speed, and position loops so automated machinery such as pick-and-place units or packaging axes follow commanded profiles with millisecond accuracy. This arrangement lets the unit respond quickly to load changes during start, stop, and positioning moves.
Power is supplied to the unit through an input of 3x 230 V (±10%) at a utility frequency range of 50–60 Hz. Inside the converter, this three-phase supply is rectified to a DC link that stabilizes at 300 V, and the constant bus voltage allows the drive to deliver predictable torque despite normal mains fluctuation. During continuous operation, the power stage can deliver a phase current of 25 A, a level that represents the maximum motor torque it can maintain without overheating. Current is applied to the motor windings with carrier pulses at 4 kHz, so flux is refreshed quickly enough to keep velocity ripple low. These electrical values support accurate control with DSF encoder feedback.
Transient demands are handled by a peak output current of 50 A and by a braking resistor that absorbs regenerated energy with a bleeder peak capacity of 9.4 kW while dissipating 0.35 kW continuously. Under maximum load, the drive, power supply, and bleeder can draw 9.5 kVA and produce 305 W of heat during operation. The housing carries a protection rating of IP10, so it must be installed inside a closed cabinet. Because the enclosure has this protection level, exposed areas require a protected mounting location within the control panel. Its 11 kg mass should be considered when planning panel layout within the +5 °C to +45 °C operating range, the extended ambient ceiling of +55 °C, and a storage window from −30 °C to +85 °C.
Frequently Asked Questions about DKS01.1-W050A-DS01-01:
Q: What input voltage does the DKS01.1-W050A-DS01-01 require?
A: This drive operates with an input voltage of 3-phase 230 V, allowing a ±10% variation for flexibility in supply conditions.
Q: What are the continuous and peak current ratings for this drive?
A: The DKS01.1-W050A-DS01-01 is rated for a continuous current of 25 A, with a peak current capability of 50 A.
Q: How is the DKS01.1-W050A-DS01-01 servo drive cooled?
A: This model uses heat dissipation as its cooling method, managing thermal loads without the need for external cooling fans.
Q: What is the power loss at maximum loading for this drive?
A: The DKS01.1-W050A-DS01-01 provides a maximum power loss of 305 W when operating at full load, not including bleeder losses.
Q: What is the operating temperature range for the DKS01.1-W050A-DS01-01?
A: This servo drive is built to function in ambient temperatures ranging from +5 °C to +45 °C.
