DKR 2.1-W200N-BE38-00 Bosch Rexroth Indramat
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MPN: R911263448
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The Bosch Rexroth Indramat DKR 2.1-W200N-BE38-00 is part of the DKR Drive Controllers series and is designed with digital servo and resolver feedback for motor control. This controller features a SERCOS command interface, employs air cooling with a built-in blower, and uses a rigid DC bus without a brake chopper.
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Product Description:
The DKR 2.1-W200N-BE38-00 is a digital drive controller manufactured by Bosch Rexroth Indramat for the DKR Drive Controllers series. Within an automation cell, the unit operates as a central power stage that converts three-phase mains power into regulated electrical power for synchronous or induction motors. This function supports controlled torque and speed in high-performance gantries, machine tools, and printing lines. The controller can coordinate demanding motion profiles while exchanging operating data with a higher-level CNC or PLC.
The controller has a current rating of 200 A for its power section. A separate peak motor current value of 141 A applies to short-duration operating conditions. Motion commands and parameter data are exchanged through the SERCOS interface, which provides deterministic communication with the master control system. Thermal management uses air cooling with a built-in blower, directing forced airflow across the internal heat sinks without requiring an external liquid-cooling circuit. The feedback receiver supports digital servo and resolver feedback, allowing the controller to process signals from compatible digital encoders or analog resolvers. The power section has no brake chopper, so regenerated energy must be managed by the connected power system or another suitable braking arrangement.
An internal rigid DC bus stabilizes the link voltage and permits connection with other compatible DKR modules in a multi-axis system. The product is design version 1, indicating the first design revision for this controller configuration. Its function module is version 00, providing the baseline control configuration associated with the model. The controller integrates motor regulation, feedback processing, and network communication within a single drive assembly. These capabilities allow the unit to regulate connected motors while receiving synchronized commands and returning operating data to the automation controller.
