DKR04.1-W300N-BE79-01-FW
DKR Drive Controllers
The DKR04.1-W300N-BE79-01-FW from Bosch Rexroth Indramat features a SERCOS interface and built-in blower air cooling. Part of the DKR Drive Controllers, it offers digital servo and resolver feedback and a nominal current of 300A. It is design version 1 and runs on a rigid DC bus without a bleeder or brake chopper.
It has a current rating of 300A and belongs to line series 04. The function numeric version is 01. This controller excels in industrial motion control.
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
What are the housing considerations for installing the DKR04.1-W300N-BE79-01-FW?
The IP20 housing protects against solid objects but not liquids. It must be mounted inside an enclosed cabinet in a controlled environment.
Can this drive be used in applications requiring frequent start-stop cycles?
Yes, but external energy handling devices must be included to avoid DC bus overvoltage. Careful thermal management is also necessary due to repeated load cycles.
What risks come with using a controller without a brake chopper?
Without a brake chopper, excess regenerative energy cannot be dissipated internally. This can cause DC bus overvoltage unless managed by external resistors or energy recovery units.
How does resolver feedback compare to digital servo feedback in practice?
Resolver feedback is more rugged and reliable in harsh environments. Digital servo feedback provides higher precision where fine motion control is needed.
Does the built-in blower cooling require additional ventilation?
Yes, the unit must be installed in a cabinet with sufficient airflow. External filters and fans may be needed to maintain safe operating temperatures.
Common Misspellings
DKR041W300NBE7901FW
DKR04 1 W300N BE79 01 FW
dkr04.1-w300n-be79-01-fw
DKR4.1-W300N-BE79-01-FW
Internal Product Review
The DKR04.1-W300N-BE79-01-FW is a drive controller from the Bosch Rexroth Indramat DKR series. It operates at a nominal current of 300 A using a rigid DC bus, without a bleeder or brake chopper, and cooled by a built-in blower. It uses an IP20 rated enclosure intended for cabinet installation.
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Repair
We offer a repair service for the DKR04.1-W300N-BE79-01-FW.
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