DKR02.1-W300N-BE37-01-FW Bosch Rexroth Indramat
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MPN: R911266846
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The Bosch Rexroth Indramat DKR02.1-W300N-BE37-01-FW is part of the DKR Drive Controllers series. This controller has a current rating of approximately 300 Amps and uses air cooling with a built-in blower. It supports a SERCOS command interface and allows for both digital servo and resolver feedback for motor control.
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Product Description:
Bosch Rexroth Indramat’s DKR02.1-W300N-BE37-01-FW belongs to the DKR Drive Controllers series and functions as a high-power inverter for synchronous and asynchronous servo axes. Installed between a PLC and the machine motor, the controller converts three-phase mains power into a regulated DC link and precisely timed output pulses so spindle, feed, or auxiliary drives can follow programmed speed and torque profiles. Its integrated logic supports coordinated multi-axis motion, which is useful when several machine functions must respond to synchronized command updates. The compact housing and forced-air channel also simplify cabinet placement in production cells that require continuous duty and rapid dynamic response.
The communication layer relies on the SERCOS interface, which provides deterministic cycle times and fiber-optic noise immunity for real-time setpoint exchange. Thermal management is handled by air cooling through a built-in blower, so no external heat exchanger is required and airflow stays within the cabinet. The controller draws a nominal phase current of approximately 300 A, supplying large motors with fast current rise during acceleration events and other dynamic load changes. Position and velocity loops receive feedback from the motor through digital servo and resolver feedback, allowing the controller to recognize either transducer without rewiring. During deceleration, returned energy remains on the DC link because the power stage has no bleeder, without a brake chopper, rigid DC bus, so any external regeneration or braking resistor arrangement must be provided as part of the installation.
The controller is Version 1, which identifies the revision used for this model. Its function numeric version is 01, and it belongs to line series 02. These codes distinguish the unit within the product line. They also support accurate matching with related system information and compatible modules.
Frequently Asked Questions about DKR02.1-W300N-BE37-01-FW:
Q: What type of bleeder configuration does the DKR02.1-W300N-BE37-01-FW drive controller use?
A: The DKR02.1-W300N-BE37-01-FW does not include a bleeder or brake chopper and utilizes a rigid DC bus for operation.
Q: What command interface is available on the DKR02.1-W300N-BE37-01-FW?
A: This model uses a SERCOS interface for command input, enabling integration into compatible automation systems.
Q: How does the DKR02.1-W300N-BE37-01-FW manage cooling during operation?
A: The DKR02.1-W300N-BE37-01-FW is cooled using air via a built-in blower to maintain operational temperatures.
Q: What type of motor feedback does the DKR02.1-W300N-BE37-01-FW support?
A: This drive controller supports digital servo and resolver feedback for motor control.
Q: What is the nominal current rating of the DKR02.1-W300N-BE37-01-FW?
A: The nominal current for the DKR02.1-W300N-BE37-01-FW is approximately 300A.
