Product Description:

The DKS01.1-W050A-DG04-00 is a digital servo drive produced by Bosch Rexroth Indramat within the DKS Intelligent Digital Servo Drives series. It regulates three-phase servo motors by converting incoming line power into pulse-width-modulated output that follows commands from the motion controller and position data from the integrated DSF encoder interface. This arrangement allows the drive to correct motor behavior in real time, making it suitable for automated equipment that requires precise velocity and torque control during repetitive operating cycles.

Input power is 3x 230 V AC, accepted within a ±10% window, and it is routed through a three-phase connection before rectification. The internal DC link is maintained at 300 V, feeding an IGBT bridge that switches at 4 kHz, which helps limit motor current ripple while keeping switching losses under control. The drive supplies a peak phase current of 50 A, and its rated current is the same value, which simplifies cable and fuse selection. Regenerative energy is dissipated through an integral resistor that handles 0.35 kW continuously, helping prevent overvoltage on the DC bus during frequent braking events. Passive heat dissipation removes about 305 W of internal loss, cooling is done by natural convection, noise emission is standard, and hardware version 1 supports direct DSF feedback without auxiliary converters.

During rapid deceleration, the bleeder can withstand bursts up to 9.4 kW, which protects the DC link capacitors during short braking events. At maximum mechanical load, the installation must provide 9.5 kVA of apparent power for the drive. The housing carries an IP10 rating under DIN 40 050 and is intended for installation inside a protected control cabinet. Continuous duty is permitted at ambient temperatures up to +55 °C when derating is observed, and full performance is maintained up to 1000 m above sea level before altitude-related reduction is required.