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R911290789 (DKR04.1-W400N-BE37-01-FW)

DKR Drive Controllers

  In-Stock, Ships 3-5 Days
Expedited Lead Times on Select Parts
1 Year Warranty Included
Free Ground Shipping
Expedited Lead Times on Select Parts
1 Year Warranty Included
Free Ground Shipping
The R911290789 (DKR04.1-W400N-BE37-01-FW) is a Rexroth Indramat drive controller engineered for electric motor control in applications such as printing and NC machine tools. This unit features a SERCOS command interface for fiber optic connectivity to higher-level controllers and includes an H1 display to indicate faults detected via SERCOS. The controller supports both digital servo and resolver feedback, operates with a rated current of 400 A, and employs an internal air blower cooling system capable of dissipating up to 2,500 W total and 1,800 W through the air channel. It is configured without a bleeder or brake chopper and features a rigid DC bus. Design version is 1 from the DKR product series and 04 line series.

Technical Specifications

Use
Control of electrical motors

Main Use
Printing machines and NC machine tools

Interface
SERCOS

Cooling Technique
Air using integrated blower

Heat Dissipated in Air channel
Up to 1,800W

Total Heat Dissipated
Up to 2,500W

Shipping
Global

How does Bosch Rexroth Indramat DKR04.1-W400N-BE37-01-FW motor cooling operate in sustained cycles?

The unit employs an integrated blower-driven airflow channel, expelling thermal buildup efficiently, allowing continuous motor operations without detrimental rise in winding or bearing temperature.

Does Bosch Rexroth Indramat DKR04.1-W400N-BE37-01-FW motor interface fully support SERCOS topology?

Yes, the drive synchronizes motor communication via SERCOS fiber optics, achieving deterministic cycle updates, smooth parameter exchange, and latency-controlled command structures.

Where does Bosch Rexroth Indramat DKR04.1-W400N-BE37-01-FW motor heat dissipation occur primarily?

Heat is discharged through engineered airflow ducts, with approximately 1,800W vented into the air channel, maintaining stable electronics during extended duty motor cycles.

What motor feedback sensors are supported by Bosch Rexroth Indramat DKR04.1-W400N-BE37-01-FW?

It integrates seamlessly with resolver and encoder signals, ensuring absolute motor position tracking, phase alignment accuracy, and dynamic velocity control consistency.

How does Bosch Rexroth Indramat DKR04.1-W400N-BE37-01-FW motor respond to regenerative braking?

The drive handles back-fed energy into its DC link, enabling thermal relief through dissipative resistors, while stabilizing motor deceleration torque under load variations.

DKR041W400NBE3701FW

DKR04 1 W400N BE37 01 FW

dkr04.1-w400n-be37-01-fw

DKR4.1-W400N-BE37-01-FW

Internal Product Review

The Bosch Rexroth Indramat DKR series drive DKR04.1-W400N-BE37-01-FW is a unique motion control part designed for precise industrial automation. It features a SERCOS interface, integrated blower air cooling, and dissipates up to 2,500W of total heat effectively. Its primary use is in powering electrical motors for printing machines and NC machine tools across global operations.

Warranty

1-year-warranty
Indramat USA 1 Year Warranty

Repair

product repair We offer a repair service for the DKR04.1-W400N-BE37-01-FW.
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