Product Description:

The DKR02.1-W200N-BE19-01-FW is a digital intelligent AC drive controller produced by Bosch Rexroth Indramat within the DKR Drive Controllers series. It is installed between the plant’s power system and a servo or spindle motor. In automated machining cells, material-handling stations, and similar motion axes, it regulates speed, torque, and position during operation.

On the power side, the drive accepts a rated mains supply of 3xAC 400–480 V ±10% and uses a control supply of AC 230 V ±10%. The W200N designation places it in the 200 A current class, and at a 4 kHz switching frequency it can deliver a continuous armature current of 120 A with a continuous output of approximately 47 kW. For short acceleration intervals, the unit can furnish a peak current of 141 A. A rigid DC bus is used, and no brake chopper or bleeder resistor is mounted, so excess regenerative energy must be absorbed by the mechanical load or an external supply module. Motor transducers are read through digital servo or resolver feedback channels, and the unit is design version 1, line series 02, and function module version 01. It executes current, speed, and position control internally.

Thermal management is handled by air cooling with a built-in blower, forcing cabinet air across heat sinks and carrying away up to 1600 W of loss power under rated load. The drive housing, cabling, and integrated fans bring the mass to approximately 104 kg, so cabinet mounting provisions must support that static load. A SERCOS interface serves as the command path, providing deterministic fiber-optic communication for setpoints and diagnostics without additional gateway hardware. Because no internal bleeder is fitted, the regenerative profile, total heat dissipation, and forced-air path must be considered when sizing external braking or energy-sharing components.