DKR04.1-W300N-BE12-01-FW
DKR Drive Controllers
Technical Specifications
Bleeder Configuration
No bleeder/ Without brake chopper, rigid DC bus
Command Interface
SERCOS interface
Cooling Method
Air (built-in blower)
Design Version
1
Line Series
04
Motor Feedback
Digital servo and resolver feedback
Product Series
DKR
Current Rating
300
Nominal Current
Approx 300A
Function Numeric Version
01
Frequently Asked Questions
How does the absence of a bleeder in DKR04.1-W300N-BE12-01-FW affect system design?
Without a bleeder, excess energy from braking must be managed externally. This typically requires integration with external resistors or system-level energy handling.
What role does the SERCOS interface play in this drive controller?
SERCOS enables deterministic, high-speed communication between the drive and CNC or motion controllers. It ensures precise synchronization critical for multi-axis systems.
What installation precautions should be taken for a 300A rated drive?
Adequate cabling, grounding, and protection devices must handle the high current safely. Improper installation can cause voltage drops, heating, or premature component failure.
What are the benefits of combining digital servo feedback with resolver signals?
Digital encoders provide fine resolution, while resolvers add redundancy and reliability. Together, they enhance precision and fault tolerance in demanding processes.
How should air intake and exhaust be managed for the built-in blower?
Clear air paths must be maintained to prevent recirculation of hot air. Filters may be needed if the drive is installed in dusty environments.
Common Misspellings
DKR041W300NBE1201FW
DKR04 1 W300N BE12 01 FW
dkr04.1-w300n-be12-01-fw
DKR4.1-W300N-BE12-01-FW
Internal Product Review
The DKR04.1-W300N-BE12-01-FW is a drive controller from the Bosch Rexroth Indramat DKR series. It features a rigid DC bus with no bleeder, a built-in blower for air cooling, and a SERCOS command interface. It is often used in applications such as controlling main spindle motors, linear motors, and CNC machines.
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