R911279600 (DKR02.1-W300B-BE84-01-FW)

Name: R911279600 (DKR02.1-W300B-BE84-01-FW)
Brand: Indramat Drives
SKU: DKR02.1-W300B-BE84-01-FW
Price: 390.00 USD
Availability: InStock

DKR Drive Controllers

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The R911279600 (DKR02.1-W300B-BE84-01-FW) is a Rexroth Indramat controller designed for use with 2AD main spindle motors, 1MB frameless spindle motors, and LSF linear motors in numerically controlled machine applications. It offers a nominal current rating of approximately 300A, supports a power tract frequency of 4 kW or 8 kW, and operates on a system frequency of 50–60 Hz. The unit is built to the IP20 protection standard and must be installed within an IP54-rated enclosure for proper operation. It features SERCOS command interface, digital servo and resolver feedback, an integrated bleeder, air cooling via built-in blower, and an internal backup battery for data preservation. Continuously regenerated power is rated at 43 kW with a peak of 93 kW.

Technical Specifications

Usage
Motor Control in Industrial Production Systems

Protection Category
IP20 (Controller); IP54 (External Enclosure)

Additional Features
Internal Battery, User Data Saving Feature

Frequency Range
50 - 60 Hertz

Tract Frequency
4 or 8 Kilowatts

Continuous Regenerated Power
43 Kilowatts

Peak Regenerated Power
93 Kilowatts

Maximum Power Voltage
380 Volts

Shipping Availability
Global

Frequently Asked Questions

What does the bleeder configuration in the DKR02.1-W300B-BE84-01-FW achieve?

It dissipates regenerative energy generated during motor braking, preventing overvoltage in the DC bus. This ensures stable drive operation under frequent acceleration and deceleration.

Why is SERCOS interface important in this controller?

SERCOS provides high-speed, synchronized communication between drives and controllers. This improves motion coordination in complex multi-axis systems.

How does digital servo feedback differ from resolver input?

Digital feedback provides high-resolution position data for precise control. Resolver input, though less detailed, adds robustness for applications with electrical interference.

How does the design version number affect compatibility?

The design version identifies hardware revisions and feature sets. Matching versions ensures proper integration with existing drive systems and accessories.

How does the DKR02.1-W300B-BE84-01-FW support precise motor control?

By combining SERCOS communication with high-resolution feedback, it minimizes command lag. This results in accurate speed and position regulation for motion-critical processes.

Common Misspellings

DKR021W300BBE8401FW

DKR02 1 W300B BE84 01 FW

dkr02.1-w300b-be84-01-fw

DKR2.1-W300B-BE84-01-FW

Internal Product Review

The DKR02.1-W300B-BE84-01-FW is a servo drive controller from Bosch Rexroth’s DKR series. It incorporates a built-in blower air cooling system, bleeder configuration, SERCOS interface, and support for digital servo and resolver feedback. It is typically deployed in NC machine tools, printing systems, and automated production machinery.