DKS1.1-W100A-DK01-01 Bosch Rexroth Indramat
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MPN: R911310560
The Bosch Rexroth Indramat DKS1.1-W100A-DK01-01 is part of the DKS Intelligent Digital Servo Drives series. It operates at a rated input voltage of 3 x 230 V with a continuous current of 50 Amps and a DC bus voltage of 300 V. The servo drive has a bleeder peak power of 18 kW and can be used in ambient temperatures from 5 to 45 °C.
Internal Product Review
The DKS1.1-W100A-DK01-01 is a digital servo drive designed for precise motion control on 3-phase 230 V input power. Continuous current of 50 A and a 300 V DC bus give the drive strong authority and stable servo response. Operation across +5 to +45 °C supports dependable industrial service, and the 18 kW bleeder peak power is a standout capability.
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Product Description:
The DKS1.1-W100A-DK01-01 is a closed-loop drive module manufactured by Bosch Rexroth Indramat within the DKS Intelligent Digital Servo Drives series. It supplies regulated current to synchronous servomotors used in packaging, printing, and handling systems. It is classified as a digital servo controller, so the command and power stages are housed in one enclosure. Because it combines current regulation and command processing, the module can serve as the main drive element for a single controlled axis in automated machinery.
During operation, the drive draws a three-phase supply of 3 x 230 V (±10%) at line frequencies of 50 to 60 Hz and converts it into a stabilized intermediate circuit of 300 V DC. The converter section is pulse-width modulated at 4 kHz, which helps limit torque ripple while keeping switching noise manageable. For continuous motion, the current regulator delivers up to 50 A, while the mains side requires 11 kVA. Power connections are three-phase, and internal dissipation is limited to 480 W for cabinet heat planning. The drive accepts position data from a DSF feedback channel and supports closed-loop speed regulation within the stated electrical limits. This makes the unit suitable for servo applications that need stable response during acceleration, deceleration, and load changes.
Excess regenerative energy is handled by an integrated bleeder resistor that can absorb 0.5 kW continuously and tolerate surges up to 18 kW, protecting the DC bus during rapid deceleration. The ambient operating range is +5 to +45 °C, with functional tolerance up to +55 °C and installation heights up to 1000 m without derating. When de-energized, the unit may be stored between -30 to +85 °C, allowing safe storage and transport across a broad climate range. The built-in energy handling supports applications with repeated braking events during normal machine operation.
