R911277265 (DKR02.1-W200N-BE43-02-FW)
DKR Drive Controllers
Technical Specifications
Rexroth Indramat Line
2
Design Type
1
Current Rating
200 A
Cooling Type
Air, embedded blower/heatsink
Card Slots
U1 to U5
Voltage Power
3-phase, 400-480 Volts ±10%
Feedback System
Digital servo and resolver
Communication Interface
SERCOS
Version Function Numeric Code
01
Function Numeric Code
43
Minimum Cooling Air Flow
300 cubic meters per hour
Peak Pressure
160 Nm
System Frequency
50-60 Hz
Emitted Noise Value
68 dB(A)
Integrated Bleeder Resistor
Not Included
Ambient Storage Temperature
-30 to 85 degrees C
Protection Category
IP 20
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.
Shipping & Payment Options
Warranty
Repair
We offer a repair service for the DKR02.1-W200N-BE43-02-FW.
Want to 
