DKS01.1-W050A-DS68-50-FW Bosch Rexroth Indramat
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MPN: R911284126
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The Bosch Rexroth Indramat DKS01.1-W050A-DS68-50-FW is a digital servo drive in the DKS Intelligent Digital Servo Drives series. It operates with a rated current of 50A and a continuous current of 25A, and supports a 3-phase, 230 VAC input voltage. This drive features a cooling method based on heat dissipation, with a protection class of IP10 and a maximum ambient temperature rating of 45°C.
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Product Description:
The DKS01.1-W050A-DS68-50-FW digital servo drive is manufactured by Bosch Rexroth Indramat within the DKS Intelligent Digital Servo Drives series. It interfaces between a PLC or motion controller and a synchronous motor. It converts command signals into regulated motor current so that automated axes follow commanded torque, speed, and position profiles in assembly cells, packaging lines, and similar equipment.
This model accepts a three-phase supply of 3x 230 VAC (±10%) and converts it into controlled motor power. Its regenerative circuit absorbs excess energy with a bleeder rated for 0.35 kW of continuous dissipation. Motor conductors can draw up to a 50 A rated current for short duty cycles, whereas steady operation is limited to 25 A to keep the power section within its thermal range. Pulse-width modulation operates at 4 kHz, balancing current ripple and switching losses for medium-inertia servo motors. The drive uses humidity class F insulation, and its noise emission is standard. Derating begins above +45 °C, and operation is permitted with reduced output up to +55 °C or at elevations up to 1000 m. A 9.5 kVA power requirement at maximum load helps size upstream circuit breakers and supply transformers.
During rapid deceleration or load reversals, the transient resistor can momentarily handle 9.4 kW, channeling that energy into heat before the internal DC bus, maintained at 300 VDC, reaches overvoltage thresholds. At maximum device load, the power section dissipates 305 W, so enclosure airflow must remove this heat to avoid additional derating. The housing has a rating of IP10, which protects against solid objects larger than 50 mm but does not provide a water-ingress rating. For that reason, the drive should be installed in a clean, dry control cabinet. Storage is permitted between −30 °C and +85 °C.
Frequently Asked Questions about DKS01.1-W050A-DS68-50-FW:
Q: What input voltage does the DKS01.1-W050A-DS68-50-FW require?
A: The DKS01.1-W050A-DS68-50-FW operates on a 3-phase 230 VAC input with a ±10% voltage tolerance.
Q: What are the current capacities of the DKS01.1-W050A-DS68-50-FW?
A: This servo drive supports a continuous output current of 25 A and can deliver a rated current of 50 A.
Q: What is the maximum ambient temperature rating for the DKS01.1-W050A-DS68-50-FW?
A: The device is designed for safe operation at ambient temperatures up to +45 °C at full rating, or up to +55 °C with derating.
Q: What cooling method is used in the DKS01.1-W050A-DS68-50-FW servo drive?
A: Cooling for this drive is achieved through standard heat dissipation, as specified for this model.
Q: What protection class is the DKS01.1-W050A-DS68-50-FW rated for?
A: The protection class for this servo drive is IP10, providing basic protection against large solid objects.
