R911272984 (DKR02.1-W300N-BE33-01-FW)

Name: R911272984 (DKR02.1-W300N-BE33-01-FW)
Brand: Indramat Drives
SKU: DKR02.1-W300N-BE33-01-FW
Price: 757.00 USD
Availability: InStock

DKR Drive Controllers

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The Bosch Rexroth R911272984 (DKR02.1-W300N-BE33-01-FW) is a DKR02 drive controller engineered for dynamic monitoring and control of electric motors such as 2AD, LAF, and 1MB series, with a supported motor output range of 10 to 93 kW. This controller operates with a peak current of 300 A and integrates an emergency stop/shutdown device and a mains contactor. It utilizes a SERCOS command interface and supports both digital servo and resolver feedback. The unit is cooled by an integrated air blower and is configured with a rigid DC bus, omitting a standard bleeder or brake chopper. It requires a three-phase grounded AC mains connection at 400-480 V, draws 200 VA control voltage, and features IP20 ingress protection. The controller's mass is approximately 104 kg and it is designed for installation up to 1000 m above sea level.

Technical Specifications

Designed For
DKR02 type drive controller by Bosch Rexroth

Type of Motors
2AD, LAF or 1MB variants

Power Output
10 to 93 kW

Peak Current
300 Amperes

Emergency Function
Embedded emergency shutdown/stop device (ESSD)

Control Voltage Power
200 VA

Cooling Operations
Build-in air blower

Applications
NC-powered machine tools, printing machines

Standard Design
Yes

Bleeder
No

Weight
104 kilograms

Protection Rating
Ingress Protection rating of 20

Maximum Installation Height
1000 m/sea level

Frequently Asked Questions

How does the built-in blower cooling in DKR02.1-W300N-BE33-01-FW improve performance?

The blower ensures consistent air circulation, maintaining optimal operating temperatures during heavy loads. This enhances the drive controller’s longevity and reliability under continuous use.

Why is digital servo feedback important in the DKR02.1-W300N-BE33-01-FW?

Digital servo feedback provides accurate real-time motor positioning. This results in higher precision control, especially for demanding motion profiles.

What role does resolver feedback play in DKR02.1-W300N-BE33-01-FW?

Resolver feedback offers rugged and reliable position sensing. It is particularly useful in environments where durability against heat and vibration is essential.

How does the 300A nominal current benefit DKR02.1-W300N-BE33-01-FW users?

The high current rating supports larger and more powerful motors. This allows for smooth operation in applications requiring substantial torque output.

What is the significance of the design version 1 in this product?

Design version 1 reflects an optimized standard for stable integration. It simplifies compatibility with a broad range of automation systems.

Common Misspellings

DKR021W300NBE3301FW

DKR02 1 W300N BE33 01 FW

dkr02.1-w300n-be33-01-fw

DKR2.1-W300N-BE33-01-FW

Internal Product Review

The DKR02.1-W300N-BE33-01-FW is a Bosch Rexroth drive controller that provides approximately 300A nominal current with a blower cooling system integrated into it. Bosch Rexroth Indramat makes this controller to power high-current precision. It features digital resolver feedback and servo feedback, and it is of line series 02 with design version 1.