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R911280677 (DKR02.1-W300N-BE79-01-FW)

DKR Drive Controllers

  In-Stock, Ships 1-2 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 Indramat MPN R911280677 (DKR02.1-W300N-BE79-01-FW) is a Rexroth drive controller designed for industrial automation applications, featuring a built-in air cooling blower and a heatsink that dissipates up to 1800 W of heat via top air vents. The unit is rated for a nominal operating current of approximately 300 A and supports 400–480 V AC mains input. It provides SERCOS command communication and can process digital servo and resolver motor feedback for precise control. The device meets IP20 protection standards, has a modular structure, and accepts auxiliary plugin cards for additional interfaces such as analog signals and encoder systems. It is constructed with no bleeder/brake chopper and is intended for installation inside a control cabinet by qualified personnel.

Technical Specifications

Cooling method
Built-in blower

Heat dissipation method
Via air vents and built-in heatsink

Total heat dissipation at continuous output
1800 Watts

Heat dissipation with either air or liquid coolant
1200 Watts

Mounting location
Inside a control cabinet

Protection grade
IP 20 rated

Rated output
300 Amps

Communication
SERCOS command communication

Feedback system
Digital servo and resolver

No. of nameplates
Three

Power requirement
400 to 480 Volts AC

Mains connection method
Direct

Installation and service requirements
Only qualified personnel

Shipping
Global.

Does the SERCOS interface in the DKR02.1-W300N-BE79-01-FW improve real-time communication?

Yes, it ensures synchronized and high-speed data exchange between the drive and automation controllers. This reduces delays and boosts precision in coordinated motion systems.

How does the built-in blower cooling improve the performance of the DKR02.1-W300N-BE79-01-FW?

The integrated blower provides continuous cooling to maintain stable operating temperatures. This prevents overheating and ensures reliable long-term performance under heavy load.

Do the digital servo and resolver feedback features of the DKR02.1-W300N-BE79-01-FW enhance accuracy?

Yes, they work together to deliver precise speed control and exact positioning feedback. This combination is vital for high-precision industrial applications.

Why is the DKR02.1-W300N-BE79-01-FW equipped with numeric function version 01?

This version standardizes its hardware and firmware design for predictable performance. It allows seamless integration into automation environments without the need for major adjustments.

How does a nominal current rating of approx. 300A affect the DKR02.1-W300N-BE79-01-FW’s application scope?

Its high current capacity supports demanding motors and heavy-load cycles. This makes it ideal for large-scale machining and power-intensive tasks.

DKR021W300NBE7901FW

DKR02 1 W300N BE79 01 FW

dkr02.1-w300n-be79-01-fw

DKR2.1-W300N-BE79-01-FW

Internal Product Review

The DKR02.1-W300N-BE79-01-FW is a high-performance drive controller with a SERCOS interface and integrated air cooling by way of a blower. It accommodates digital servo and belongs to the heavy-duty DKR line series 02. Bosch Rexroth Indramat makes this controller for heavy-duty machining and sophisticated automation of production for accurate motion control.

Warranty

1-year-warranty
Indramat USA 1 Year Warranty

Repair

product repair We offer a repair service for the DKR02.1-W300N-BE79-01-FW.
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