Product Description:

The DKR05.2-W500N-BA01-01-NNNN-FW is a digital intelligent AC drive controller manufactured by Bosch Rexroth Indramat for the DKR Drive Controllers series. It is part of line 05 and design version 2, and it uses function module 01 with module version 01 for baseline motion control. In industrial automation cells, the unit powers and regulates large servo axes, managing motor speed and torque through closed-loop control for machining centers, presses, and material-handling stations where stable response under changing mechanical load is important.

At a 400 V DC link, the controller supports motor outputs to 165 kW, which suits heavy spindle or gantry duties that demand high power from the drive section. Continuous phase current reaches 500 A, so supply conductors, protective devices, and bus connections must all be sized for that load. Internal losses total 6.2 kW, and a built-in air blower moves heat across the heatsink and out of the cabinet to help maintain operating temperature. Motion commands are delivered through an analog interface, allowing the drive to work with established control hardware while still accepting high-resolution setpoints from the control system.

Axis feedback is processed through digital servo and resolver feedback, which supports precise vector control and stable regulation during acceleration, deceleration, and load changes. The DC link has no bleeder resistor, so regenerative energy must be handled externally or shared on a common bus rather than absorbed inside the controller. The cabinet has a Pebble gray finish and uses a lock for a 7 mm three-square wrench, while the primary disconnect must be installed elsewhere because a door main switch is not included. Installation planning must also account for a mass of 550 kg, including lifting requirements and floor loading.