DKR 3.1-W200N-BE12-00 Bosch Rexroth Indramat
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MPN: R911262816
The Bosch Rexroth Indramat DKR 3.1-W200N-BE12-00 is a drive controller from the DKR Drive Controllers series. It features a SERCOS command interface and supports both digital servo and resolver feedback. This version uses a built-in blower for air cooling and has a rigid DC bus configuration without a brake chopper.
Internal Product Review
The DKR 3.1-W200N-BE12-00 is a drive controller from Bosch Rexroth Indramat designed with a SERCOS interface and digital servo plus resolver feedback support. Its air cooling via a built-in blower enables efficient heat dissipation during intensive operation. This controller stands out for its reliable performance in automated motion systems.
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Product Description:
The DKR 3.1-W200N-BE12-00 drive controller is positioned within the DKR Drive Controllers series manufactured by Bosch Rexroth Indramat. It functions as the power stage and motion regulator for high-torque servo axes, receiving setpoints from a CNC or PLC and delivering controlled three-phase output to matched motors. In industrial automation cells, this controller bridges line power and motor windings so that positioning, velocity, and torque loops are executed with millisecond response, supporting presses, gantries, and large material-handling equipment that demand continuous dynamic control.
The communication path to the master control system is a SERCOS interface, which provides deterministic fiber-optic telegrams for real-time parameter updates and diagnostic returns. Internal electronics are cooled by Air (built-in blower); the blower forces cabinet air across heat sinks, maintaining component temperatures without external ducting. Power hardware is assembled with no bleeder so excess regeneration energy is not dissipated internally; instead, the controller operates on a rigid DC bus that must be managed by the line-side supply or a separate braking module. Feedback circuits accept digital servo and resolver feedback, allowing the same axis card to read high-resolution serial encoders or traditional resolvers without modification. Firmware and hardware are identified as Design version 1, signaling the first mechanical layout and PCB revision of the product.
Parameter structure is finalized under Function numeric version 00, which aligns the unit’s command set with early DKR firmware generations used across heavy-duty axes. The controller inherits power-stage topologies and safety interlocks standardized by Bosch Rexroth Indramat, simplifying spare-part pools and maintenance procedures. Consistency with the wider DKR Drive Controllers family means cabinet builders can combine this device with similarly cooled units on a common DC bus without altering enclosure airflow, line reactors, or field-mounted feedback transformers.
