DKR02.1-W300N-BT26-01-FW Bosch Rexroth Indramat
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MPN: R911287158
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The Bosch Rexroth Indramat DKR02.1-W300N-BT26-01-FW belongs to the DKR Drive Controllers series and features a nominal current of approximately 300 Amps. It uses a SERCOS command interface and supports digital servo and resolver feedback. The controller is cooled by air with a built-in blower and is designed without a brake chopper, featuring a rigid DC bus.
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Product Description:
The DKR02.1-W300N-BT26-01-FW is a drive controller manufactured by Bosch Rexroth Indramat within the DKR Drive Controllers series. It occupies the power section of an automation cabinet and regulates the three-phase supply delivered to large servo motors, translating motion commands from higher-level CNC or PLC hardware into precise torque, speed, and position control. By integrating control electronics and power semiconductors in a single housing, the unit simplifies wiring while supporting demanding industrial axes such as gantry drives, milling spindles, or heavy conveyor zones. The design supports centralized cabinet installation for large machine sections where drive power and control must remain in one module.
The controller exchanges setpoint and diagnostic data through a SERCOS interface, enabling deterministic fiber-optic communication with multitasking control platforms. Internal heat is removed by air cooling with a built-in blower, so cabinet airflow remains predictable during prolonged high-load duty cycles. Peak output is limited by a 300 A current rating, allowing the device to energize motors whose continuous demand approaches 100 kW. Energy returned during deceleration flows into a rigid DC bus without a brake chopper, which suits installations tied to a common DC link or equipped with an external dynamic brake resistor. Position transducers connected to the power stage may use digital servo and resolver feedback, giving the axis support for either high-resolution encoder signals or robust resolver input.
The unit is design version 1, so its mechanical layout and connector orientation follow this revision. It carries function numeric version 01, which supports the listed diagnostic telegrams and interpolation features. The drive is part of line series 02, which identifies its place within the DKR range. These codes distinguish the control format and physical arrangement used in this unit. They identify the controller version within the DKR range without repeating the electrical or feedback features already noted above.
Frequently Asked Questions about DKR02.1-W300N-BT26-01-FW:
Q: What command interface does the DKR02.1-W300N-BT26-01-FW drive controller support?
A: The DKR02.1-W300N-BT26-01-FW uses a SERCOS interface as its command interface.
Q: What cooling method is used in the DKR02.1-W300N-BT26-01-FW?
A: This drive controller is equipped with an internal blower for air cooling.
Q: What is the nominal current output of the DKR02.1-W300N-BT26-01-FW?
A: The nominal current for this drive controller is approximately 300A.
Q: What types of motor feedback does the DKR02.1-W300N-BT26-01-FW accommodate?
A: Both digital servo and resolver feedback options are supported on this model.
Q: How is the bleeder configured on the DKR02.1-W300N-BT26-01-FW?
A: This model is configured without a bleeder or brake chopper, using a rigid DC bus.
