R911291271 (DKR02.1-W300N-BE84-01-FW)

Name: R911291271 (DKR02.1-W300N-BE84-01-FW)
Brand: Indramat Drives
SKU: DKR02.1-W300N-BE84-01-FW
Price: 232.00 USD
Availability: InStock

DKR Drive Controllers

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The R911291271 (DKR02.1-W300N-BE84-01-FW) is a drive control unit designed for precise machine control in industrial automation. It supports regenerative energy feedback to the mains during operation, braking, or emergency stops, enhancing energy efficiency. The device manages motor speed and integrates an installed brake resistor to dissipate excess energy during braking. It accommodates various plug-in modules and auxiliary cards for expanded functionality and bi-directional data exchange via a SERCOS interface. The unit is compatible with linear LSF or LAF motors, AC mains spindle motors ADF and 2AD, and frameless 1MB motors. It operates with a mains voltage range of 400 V to 480 V, features a built-in heat sink with air cooling via a blower, and supports a nominal current of approximately 300 A with digital servo and resolver feedback.

Technical Specifications

Product Type
Drive Control Unit

Power Efficiency
Optimized power consumption

Regenerative Mode Available
Yes

Motor Speed Control
Yes

Brake Resistor
Built-in

Mains Connection
Direct connect capability

AC Power Supply Voltage
400 V to 480 V

Heat Sink
Built-in

Shipping
Global

Product Specific Role Adaptability
Through plug-in modules

Frequently Asked Questions

How does the rigid DC bus design of the DKR02.1-W300N-BE84-01-FW benefit system integration?

The rigid DC bus reduces external cabling needs and minimizes auxiliary components. This simplifies installation and improves overall system efficiency.

Why is resolver feedback important in the DKR02.1-W300N-BE84-01-FW?

Resolver feedback enhances position accuracy and stability in high-dynamic environments. It ensures precise adaptation to load and velocity changes.

What role does the built-in blower cooling system play in this drive controller?

The blower maintains optimal thermal balance even under maximum load. This extends the operational lifespan and prevents overheating.

How does the SERCOS interface in the DKR02.1-W300N-BE84-01-FW improve motion control?

SERCOS provides deterministic cycle times for real-time synchronization. This enables accurate coordination of multiple axes in complex applications.

Why is the lack of a bleeder or brake chopper relevant in the DKR02.1-W300N-BE84-01-FW?

It simplifies the DC bus topology and reduces voltage spikes during braking. This design choice lowers system complexity while maintaining stability.

Common Misspellings

DKR021W300NBE8401FW

DKR02 1 W300N BE84 01 FW

dkr02.1-w300n-be84-01-fw

DKR2.1-W300N-BE84-01-FW

Internal Product Review

The Bosch Rexroth Indramat DKR02.1-W300N-BE84-01-FW is a high-performance drive controller with 300A nominal current for sophisticated motion control. It has a native SERCOS interface, digital servo feedback, and integrated blower cooling for precise consistency. Typically applied in CNC machines, robotics cells, and production lines, it provides industrial reliability.