DKR04.1-W300N-BE76-01-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 SERCOS interface benefit the DKR04.1-W300N-BE76-01-FW in automation systems?
It allows deterministic, high-speed communication between drives and controllers. This ensures precise synchronization across multi-axis motion systems.
What maintenance considerations arise from relying solely on blower-based cooling?
Fans and air passages need periodic cleaning to prevent overheating. Bearing wear in blowers can also lead to reduced cooling efficiency over time.
In which scenarios would the DKR04.1-W300N-BE76-01-FW require external braking resistors?
High-inertia loads that frequently decelerate can generate excess energy. Without a chopper, this energy must be dissipated externally to prevent overvoltage trips.
What does a nominal current rating of 300 A imply for system design?
It indicates the drive can continuously supply this current to supported motors. Proper cabling, fusing, and thermal considerations must be factored into the installation.
Why does the DKR04.1-W300N-BE76-01-FW use a rigid DC bus without a brake chopper?
It means excess regenerative energy is not dissipated internally. External energy absorption or braking systems may be needed in dynamic applications.
Common Misspellings
DKR041W300NBE7601FW
DKR04 1 W300N BE76 01 FW
dkr04.1-w300n-be76-01-fw
DKR4.1-W300N-BE76-01-FW
Internal Product Review
The DKR04.1-W300N-BE76-01-FW is a Bosch Rexroth Indramat designed drive controller. It provides digital servo and resolver feedback, interfaces via SERCOS, uses air cooling with an internal blower, and employs a rigid DC bus without a brake chopper. It is commonly deployed in printing machines and NC machine tools.
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