R911279489 (DKR03.1-W100N-BE79-01-FW)
DKR Drive Controllers
Technical Specifications
Operating Voltage
3-phase AC 3 × 400 to 480V
Control Voltage
AC 230V ±10%
Frequency
50 to 60 Hz
Drive Controller Current (4 kHz)
71 A
Drive Controller Current (8 kHz)
60 A
Continuous Power (4 kHz)
26 kW
Continuous Power (8 kHz)
22 kW
Peak Current
71 A
Peak Power
26 kW
Continuous Regenerated Power
22 kW
Maximum Frequency (4 kHz)
800 Hz
Maximum Frequency (8 kHz)
1600 Hz
Heat Dissipation Constant Current
900 W
Heat Dissipation Air Channel
600 W
Protection Class
IP20
Cooling Mechanism
Built-in Blower
Weight
49 kg
Bleeder Resistor
Not Included
Command Communication
SERCOS Interface
Motor Feedback
Digital Servo and Resolver Feedback
Numeric Control Function
79
Basic Unit
DKR03.1-W100-B
Plug-in Boxes Slots
5
Interfaces Used
U1 to U4
Software Module Slot
U5
Frequently Asked Questions
Does the DKR03.1-W100N-BE79-01-FW motor controller permit real-time compensation for instantaneous load surges?
Yes, instantaneous current spikes up to 71 A are supported, compensating sudden torque demands without causing undershoot or degrading servo responsiveness.
What operational impact does switching at 8 kHz impose on Bosch Rexroth Indramat DKR03.1-W100N-BE79-01-FW motor efficiency?
At 8 kHz, efficiency slightly decreases due to higher switching losses, though acoustic smoothness and finer torque modulation improve for precision aerospace applications.
What continuous power envelope is defined in Bosch Rexroth Indramat DKR03.1-W100N-BE79-01-FW motor at aerospace duty ratings?
It delivers 26 kW continuous at 4 kHz switching and 22 kW at 8 kHz, ensuring long-term operation within aerospace automation environments.
Does Bosch Rexroth Indramat DKR03.1-W100N-BE79-01-FW motor enable redundant feedback modes for fail-safe operation?
Yes, dual feedback inputs combine resolver and digital encoder, ensuring redundancy and fail-operational capability if one feedback channel experiences loss.
What diagnostic frameworks exist in DKR03.1-W100N-BE79-01-FW motor controller for predictive maintenance cycles?
Embedded diagnostic channels monitor phase current imbalance, thermal rise, and SERCOS error codes, supporting condition-based maintenance strategies in aerospace facilities.
Common Misspellings
DKR031W100NBE7901FW
DKR03 1 W100N BE79 01 FW
dkr03.1-w100n-be79-01-fw
DKR3.1-W100N-BE79-01-FW
Internal Product Review
The DKR03.1-W100N-BE79-01-FW drive from Bosch Rexroth Indramat’s DKR series is a drive controller. It operates at 4/8 kHz switching, supports up to 71 A continuous current, and provides SERCOS communication. It is found in aircraft manufacturing automation and precision testing equipment in the aerospace industry.
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