DKR02.1-W200N-BE43-02-FW
DKR Drive Controllers
The DKR02.1-W200N-BE43-02-FW is a drive controller from Bosch Rexroth Indramat’s DKR Drive Controllers series, featuring a rigid DC bus with no bleeder or brake chopper and a built-in blower for air cooling. It delivers a rated current of 200 A and supports digital servo and resolver feedback via a SERCOS interface. Designed in version 1 with line series 02 and function code 43, it ensures robust 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
02
Function Numeric Code
43
Motor Feedback
Digital servo and resolver feedback
Product Series
DKR
Rated Current (A)
200
Frequently Asked Questions
How does the rigid DC bus in the DKR02.1-W200N-BE43-02-FW affect system integration?
It requires external braking solutions if energy feedback occurs, since no internal bleeder or chopper is present. This design simplifies power electronics but shifts energy handling to external components.
Why is resolver feedback supported alongside digital servo feedback?
Resolvers provide robust position feedback in harsh environments where encoders may fail. The dual compatibility increases flexibility for retrofits and mixed system designs.
What does the rated current of 200 A imply for motor selection?
It determines the maximum continuous load the drive can supply to a motor. Motors with similar current demands can be matched to achieve stable torque output.
Does the DKR02.1-W200N-BE43-02-FW require external braking resistors?
Yes, if regenerative energy is expected during deceleration cycles. Without them, excess energy cannot be dissipated safely.
How does the absence of a brake chopper influence regenerative operation?
Regenerated energy must be directed back to the supply grid or handled externally. This makes it important to evaluate the application’s duty cycle for braking events.
Common Misspellings
DKR021W200NBE4302FW
DKR02 1 W200N BE43 02 FW
dkr02.1-w200n-be43-02-fw
DKR2.1-W200N-BE43-02-FW
Internal Product Review
The DKR02.1-W200N-BE43-02-FW is a servo drive controller from Bosch Rexroth Indramat’s DKR series. It features a built-in blower air cooling, SERCOS interface with digital servo and resolver feedback at 200 A rating. It is commonly used in NC machine tools, automation systems, and precision motion control applications.
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