DKR04.1-W400N-BT26-01-FW
DKR Drive Controllers
The DKR04.1-W400N-BT26-01-FW from Bosch Rexroth Indramat features a rated current of 400 A and a rigid DC bus without brake chopper. Part of the DKR Drive Controllers, it uses air cooling with a built-in blower and supports a SERCOS interface. It employs digital servo and resolver feedback and belongs to line series 04, design version 1.
It has function version 01 and is in the DKR series. The interface ensures precise communication. Its bleeder setup simplifies installation.
Technical Specifications
Bleeder Configuration
No bleeder/ Without brake chopper, rigid DC bus
Command Interface
SERCOS interface
Cooling Method
Air (built-in blower)
Design Version
1
Line Series
04
Motor Feedback
Digital servo and resolver feedback
Product Series
DKR
Function Numeric Version
01
Rated Current (A)
400
Frequently Asked Questions
What is the motor frequency tracking method used in Bosch Rexroth Indramat DKR04.1-W400N-BT26-01-FW?
Frequency tracking relies on phase-locked loop circuits, aligning control voltage frequency to reference inputs, ensuring motor stability under ±2 Hz variations.
How does the motor feedback system of DKR04.1-W400N-BT26-01-FW prevent positional lag?
The system continuously corrects deviations through digital servo updates, using resolver encoding to recalibrate shaft position with high resolution cycles.
Where does the motor control voltage of Bosch Rexroth Indramat DKR04.1-W400N-BT26-01-FW apply during startup?
The control voltage initializes logic circuits and servo communication channels, establishing readiness prior to main power circuit activation and motor excitation.
Does the motor in DKR04.1-W400N-BT26-01-FW accept parallel resolver input channels?
Yes, redundant resolver channels can be configured, enabling dual-path feedback redundancy and fault tolerance for precision motion control.
What is the motor cooling algorithm of Bosch Rexroth Indramat DKR04.1-W400N-BT26-01-FW?
The built-in blower follows thermal mapping, adjusting airflow proportional to duty cycle, maintaining optimal winding temperature balance during overload cycles.
Common Misspellings
DKR041W400NBT2601FW
DKR04 1 W400N BT26 01 FW
dkr04.1-w400n-bt26-01-fw
DKR4.1-W400N-BT26-01-FW
Internal Product Review
The Bosch Rexroth Indramat DKR04.1-W400N-BT26-01-FW belongs to the DKR series. It features 3-phase 400–480 V power range, SERCOS command interface and built-in air cooling with digital servo resolver feedback. This drive is used in industrial servo control requiring precision and in voltage handling applications.
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