DKR04.1-W300E-BT53-01-FW
DKR Drive Controllers
The DKR04.1-W300E-BT53-01-FW is a drive controller from Bosch Rexroth Indramat's DKR Drive Controllers series. It features a SERCOS interface command interface and supports digital servo and resolver feedback. Designed with an external bleeder and brake chopper on a rigid DC bus, it delivers an approx 300 A nominal current. Cooling is via air (built-in blower). Version 1.
Technical Specifications
Bleeder Configuration
External bleeder/ With brake chopper, rigid DC bus
Command Interface
SERCOS interface
Cooling Method
Air (built-in blower)
Design Version
1
Line Series
04
Motor Feedback
Digital servo and resolver feedback
Product Series
DKR
Current Rating
300
Nominal Current
Approx 300A
Function Numeric Version
01
Frequently Asked Questions
How does the external bleeder with brake chopper affect system design?
It allows safe energy dissipation during motor deceleration, preventing DC bus overvoltage. This reduces thermal stress on internal components and extends system lifespan.
Why is a rigid DC bus configuration important in multi-axis setups?
A rigid DC bus stabilizes power distribution across axes, enabling synchronous operation. This is especially critical in applications like coordinated robotics or multi-spindle CNCs.
What precautions should be taken when integrating the DKR04.1-W300E-BT53-01-FW into an existing DC bus system?
Ensure the external bleeder and brake chopper are properly sized for expected regenerative energy. Coordination with other bus-linked drives is necessary to avoid voltage imbalances.
What challenges might arise if the drive’s cooling is obstructed?
Restricted airflow can cause overheating, triggering protective shutdowns or reduced current output. Long-term, it may degrade component reliability.
Can the DKR04.1-W300E-BT53-01-FW be used with linear or frameless motors?
Yes, its servo and resolver feedback compatibility supports a wide range of motor types, including linear and frameless. This flexibility makes it adaptable for specialized machinery.
Common Misspellings
DKR041W300EBT5301FW
DKR04 1 W300E BT53 01 FW
dkr04.1-w300e-bt53-01-fw
DKR4.1-W300E-BT53-01-FW
Internal Product Review
The DKR04.1-W300E-BT53-01-FW by Bosch Rexroth Indramat delivers a SERCOS-based drive controller. It supports digital servo and resolver feedback, a rigid DC bus with external bleeder and brake chopper, and approx 300 A nominal current. It is ideal for controlling AC spindle, linear or frameless motors in automation, CNC, robotics, and printing lines.
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Repair
We offer a repair service for the DKR04.1-W300E-BT53-01-FW.
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