DKR02.1-W300B-BE56-01-FW
DKR Drive Controllers
Technical Specifications
Bleeder Configuration
With bleeder
Command Interface
SERCOS interface
Cooling Method
Air (built-in blower)
Design Version
1
Line Series
02
Motor Feedback
Digital servo and resolver feedback
Product Series
DKR
Current Rating
300
Nominal Current
Approx 300A
Function Numeric Version
01
Frequently Asked Questions
What practical impact does using resolver feedback have compared to digital servo feedback?
Resolvers are rugged and tolerate harsh environments, while digital servo feedback provides higher precision. The choice affects accuracy, maintenance, and long-term reliability.
How does the bleeder configuration affect energy management in the drive?
It dissipates regenerative energy from braking directly into resistors. This prevents overvoltage in the DC bus and allows stable operation during rapid deceleration.
Why does the design version number matter for compatibility?
It indicates mechanical and electronic revisions that align with certain firmware and motor generations. Using the wrong version may cause incompatibility with older systems.
How does the DKR02.1-W300B-BE56-01-FW handle feedback signal integrity in electrically noisy environments?
Its resolver input provides robustness against noise due to analog signal nature. For precision tasks, digital encoder feedback ensures reliable position tracking.
How does regenerative braking interact with the bleeder in fast cycle processes?
During quick reversals or stops, energy is fed back into the DC bus. The bleeder converts this to heat, preventing instability or drive faults.
Common Misspellings
DKR021W300BBE5601FW
DKR02 1 W300B BE56 01 FW
dkr02.1-w300b-be56-01-fw
DKR2.1-W300B-BE56-01-FW
Internal Product Review
The DKR02.1-W300B-BE56-01-FW is a drive controller in Bosch Rexroth Indramat DKR series designed for servo systems. It supports both digital servo and resolver feedback, includes a bleeder configuration, and handles around 300 A nominal current. It finds use in NC machine tools, printing machinery, and paper-processing equipment.
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