R911277254 (DKR03.1-W100N-BE45-01-FW)

Name: R911277254 (DKR03.1-W100N-BE45-01-FW)
Brand: Indramat Drives
SKU: DKR03.1-W100N-BE45-01-FW
Price: 796.00 USD
Availability: InStock

DKR Drive Controllers

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The R911277254 (DKR03.1-W100N-BE45-01-FW) is a Bosch Rexroth DKR series drive controller designed for versatile operation of Rexroth Indramat motors in industrial machining and printing. It features slots U1 to U5 for configurable plug-in modules, a SERCOS interface for command communication, and supports digital servo and resolver feedback. The controller is rated to supply up to 100A nominal and 71A peak current, is protected to IP20 per IEC 529/EN 60529, and has a recommended operating temperature of 5°C to 45°C. The device utilizes natural convection and an internal fan for cooling and dissipates up to 1200W. Input frequency ranges from 50 to 60 Hz. The design lacks a brake chopper or bleeder; it operates with a rigid DC bus.

Technical Specifications

Customization
Available via Plug-in modules

Slots Available for Modules
U1 to U5

Protection Rating
IP20 according to IEC 529/EN 60529

Global Shipping
Available

Operational Temperature
5°C to 45°C

Capacitors Discharge Time
5 minutes post switch off

Communication
SERCOS Interface

Cleaning and Maintenance
Disconnect using master switch

Peak Operating Current
71A

Cooling method
Natural Convection

Heat Loss
1200 Watts

Cooling Down Period
10 minutes

Input Current Frequency Rating
50 to 60 Hz

Frequently Asked Questions

Does the Bosch Rexroth Indramat DKR03.1-W100N-BE45-01-FW motor interface allow mixed feedback topology between servo encoders and resolver units?

Yes, it integrates dual feedback processing logic, enabling combined digital encoder signals and resolver analog traces to ensure redundancy and maintain sub-micron positioning precision.

Where in the Bosch Rexroth Indramat DKR03.1-W100N-BE45-01-FW motor configuration is the SERCOS interface positioned for axis coordination?

The SERCOS communication module is embedded within the control section, ensuring deterministic fiber-optic-based axis synchronization with multi-drive network loops.

What thermal dissipation approach is applied to Bosch Rexroth Indramat DKR03.1-W100N-BE45-01-FW motor drive internals?

The drive uses an integrated blower-based airflow system that directs cooling through power semiconductors, sustaining operational integrity under continuous high current loads.

Does Bosch Rexroth Indramat DKR03.1-W100N-BE45-01-FW motor drive require external regenerative braking circuitry?

No, the rigid DC bus with no bleeder eliminates dependency on external chopper modules, simplifying installation and reducing component footprint.

What motor torque ripple mitigation techniques are embedded in Bosch Rexroth Indramat DKR03.1-W100N-BE45-01-FW?

The DSP employs vector-based current control combined with resolver correction algorithms to neutralize torque ripple, enabling smooth shaft rotation under fluctuating loads.

Common Misspellings

DKR031W100NBE4501FW

DKR03 1 W100N BE45 01 FW

dkr03.1-w100n-be45-01-fw

DKR3.1-W100N-BE45-01-FW

Internal Product Review

The DKR03.1-W100N-BE45-01-FW by Bosch Rexroth Indramat from the DKR series works as a drive controller. It consumes 100A continuous current, SERCOS communication, and integrated blower cooling for reliable motion control. It is perfect for CNC centers, packaging systems and assembly automation with minimal maintenance.