R911294851 (DKR03.1-W100B-BE84-01-FW)

Name: R911294851 (DKR03.1-W100B-BE84-01-FW)
Brand: Indramat Drives
SKU: DKR03.1-W100B-BE84-01-FW
Price: 253.00 USD
Availability: InStock

DKR Drive Controllers

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Email:
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The Rexroth Indramat R911294851 (DKR03.1-W100B-BE84-01-FW) is a drive controller from the DKR series, engineered for applications requiring a rated output current of 100A. It is equipped with an internal bleeder, integrated air cooling via a built-in blower, and supports both digital servo and resolver feedback systems. Control and communication are handled using a SERCOS interface. The device operates on a 3-phase input voltage of 400–480V AC at 50–60Hz, with a control circuit power requirement of 200 VA at 230V AC. During normal operation, the controller dissipates 900W of heat, and it supports three selectable cooling modes to ensure adequate thermal management. The unit is designed to function within an ambient temperature range of 5 to 45°C, weighs approximately 49 kg, and is rated IP20 for ingress protection. Firmware is modular and identified separately under function numeric code 84, version 01.

Technical Specifications

Product Type
Drive Controller

Rated Current
100 Amps

Firmware
Available as Separate Component

Function Numeric Code
84

Version Code
01

Input
3-phase 400 to 480 Volts AC

Line Frequency Range
50 to 60 Hertz

Control Circuitry Power Requirement
200 VA

Control Circuitry Voltage
230 Volts AC

Dissipated Heat During Operation
900 Watts

Operating Temperature
5 to 45 Degrees Celsius

Implemented Cooling Methodologies
Duct Cooling, Air from Outside, Air from Inside

Weight
49 Kilograms

Protection Category
IP20

Availability
Global

Cooling Requirement
Built-in Blowe

Frequently Asked Questions

What is the interaction of DKR03.1-W100B-BE84-01-FW drive controller with Bosch Rexroth motor torque balancing?

The drive maintains precise torque regulation by synchronizing current loops with motor feedback sensors, ensuring consistent dynamic balance and controlled acceleration across load variations.

How does Bosch Rexroth motor alignment work with DKR03.1-W100B-BE84-01-FW under varying load demands?

The controller executes vector-based current modulation, aligning motor magnetic flux to sustain torque stability, even under transient overload and regenerative braking cycles.

Does the DKR03.1-W100B-BE84-01-FW provide reliable rotor positioning feedback to Bosch Rexroth motor encoders?

Yes, it employs advanced resolver/encoder interfacing circuits, transmitting filtered signals for accurate rotor angle determination and synchronized commutation with minimal drift.

How does thermal dissipation of 900 W in DKR03.1-W100B-BE84-01-FW affect Bosch Rexroth motor lifecycle?

Optimized blower cooling maintains thermal balance, preventing hotspot accumulation, thereby protecting insulation resistance and extending operational life of attached Bosch Rexroth motors.

Does the DKR03.1-W100B-BE84-01-FW allow Bosch Rexroth motor overspeed conditions under transient inputs?

No, the embedded overspeed protection algorithms restrict mechanical frequency, actively decoupling drive signals to maintain safe operational limits against motor overshoot.

Common Misspellings

DKR031W100BBE8401FW

DKR03 1 W100B BE84 01 FW

dkr03.1-w100b-be84-01-fw

DKR3.1-W100B-BE84-01-FW

Internal Product Review

The Bosch Rexroth Indramat DKR03.1-W100B-BE84-01-FW drive controller is a powerful member of the DKR series. It consumes 100A rated current, 3-phase 400–480V AC input and efficient duct cooling with built-in blower. This unit is widely applied in automated machining centers and industrial automation lines.