R911280728 (DKR02.1-W200N-BE56-01-FW)

Name: R911280728 (DKR02.1-W200N-BE56-01-FW)
Brand: Indramat Drives
SKU: DKR02.1-W200N-BE56-01-FW
Price: 392.00 USD
Availability: InStock

DKR Drive Controllers

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The R911280728 (DKR02.1-W200N-BE56-01-FW) is a servo controller from the DKR02 series, designed for use with ADF/2AD AC main spindle motors, 1MB frameless spindle motors, and LAF/LSF linear motors. This unit features five expansion slots for auxiliary and command interface modules, including SERCOS-type command interface and software modules that are typically housed on an EPROM within the DSM module. It supports both resolver and digital servo feedback. The controller operates with a rated current of 200 A, utilizes an internal air-cooling system with a blower circulating air at 300 m³/h and 0.16 kNm peak pressure, and incorporates a heatsink for heat dissipation. The configuration includes a rigid DC bus without a bleeder or brake chopper.

Technical Specifications

Servo Controller Rating
200 VA

Servo Controller Type
Rexroth DKR02

Motor Control Range
1000 – 9300 Watts

Heat Loss Mode
Convection with inbuilt blower, heatsink

Plug-in Card Slots
5

Operating System
EPROMs on DSM software module

Command Interface Card
SERCOS type

Feedback Mechanism
Resolver and digital servo feedback

Air Flow Rate
300 m3/hour

Peak Pressure
0.16 kNm

Cooling Method
Internal air, external air, or duct cooling

Bleeder
Not Fitted

Function Numeric Code
56

Version Function Numeric Code
01

Frequently Asked Questions

Why is the function numeric version important in the DKR02.1-W200N-BE56-01-FW?

It defines firmware capabilities, supported features, and compatibility with other system components. Matching the correct function version avoids communication or configuration issues.

How does the absence of a bleeder affect regenerative braking applications?

Energy from braking cannot be dissipated internally, so an external solution is required. This may involve external resistors or energy feedback to the grid.

What maintenance considerations arise from an air-cooled blower design?

Blowers require periodic cleaning to prevent dust accumulation that reduces cooling efficiency. In high-dust environments, filters or sealed enclosures may be necessary.

Does the line series 02 provide backward compatibility with older systems?

Yes, it supports integration with earlier Rexroth systems through standardized communication protocols. Users should still verify firmware and interface compatibility before replacement.

How does resolver feedback complement digital servo feedback?

Resolvers provide robust position feedback in harsh conditions, while digital encoders enhance precision. Using both increases system reliability across varied environments.

Common Misspellings

DKR021W200NBE5601FW

DKR02 1 W200N BE56 01 FW

dkr02.1-w200n-be56-01-fw

DKR2.1-W200N-BE56-01-FW

Internal Product Review

The Bosch Rexroth Indramat DKR02.1-W200N-BE56-01-FW drive delivers 200 A rated current and links via SERCOS interface. It features air cooling with built-in blower, digital servo and resolver feedback, and a rigid DC bus. This DKR series is suited for use in robotics, CNC machining, packaging lines, and industrial automation.