R911284530 (DKR04.1-W300N-BE11-02-FW)

Name: R911284530 (DKR04.1-W300N-BE11-02-FW)
Brand: Indramat Drives
SKU: DKR04.1-W300N-BE11-02-FW
Price: 710.00 USD
Availability: InStock

DKR Drive Controllers

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The R911284530 (DKR04.1-W300N-BE11-02-FW) is a DKR series drive controller designed for integration with 2AD and ADF main spindle motors. This controller features a modular assembly, including a basic unit, software module, command interface card with SERCOS interface, and auxiliary plug-in modules. It is rated for approximately 300A nominal output current and supports controller power voltages up to 380V. The design incorporates built-in blower cooling and maintains an IP 20 protection category. Operating temperature ranges from 5°C to 45°C (up to 55°C with derating), with storage between -30°C and 80°C. It utilizes digital servo and resolver feedback and does not include a brake chopper or bleeder, supporting a rigid DC bus configuration. The operating software manages all drive parameters, and the unit integrates heat sinks within its housing.

Technical Specifications

Ambient Temperature Range
5 to 45 degrees Celsius

Design
Type 1

Protection Category
IP 20

Maximum Permissible Ambient Temperature with Derating
55 degrees Celsius

Controller Power Voltage
0 to 380 Volts

Weight
1.7 kilograms

Rated Current
300 Amps

Compatible Motors
2AD and ADF Main Spindle Motors

Storage and Shipping Temperature
-30 to 80 degrees Celsius

Motor Feedback
Digital Servo and Resolver Feedback

Speed Range
Broad Range with Constant Speed

Integrated Components
Blower and Heat Sink

Drive Parameters Storage
Inside Firmware

Interface
SERCOS

Suitable Applications
Numerically Controlled Machine Tools

Frequently Asked Questions

How does the SERCOS interface improve system communication in the DKR04.1-W300N-BE11-02-FW?

SERCOS provides deterministic communication with drives and controllers, allowing synchronized multi-axis control. It reduces integration errors and supports flexible expansion in complex automation lines.

What does the 300A nominal current rating imply for motor compatibility?

It indicates the drive can reliably supply large servo motors or spindles with sustained current. This makes it suitable for heavy-duty, continuous industrial motion tasks.

Does the built-in blower cooling affect installation requirements?

Yes, the unit requires sufficient airflow clearance to ensure the blower operates effectively. Proper ventilation is critical to prevent overheating in enclosed cabinets.

How does digital servo and resolver feedback improve system reliability?

It provides precise position and speed monitoring, ensuring accurate closed-loop control. Resolver feedback is particularly resistant to electrical noise and harsh environments.

Can the DKR04.1-W300N-BE11-02-FW be integrated into legacy automation systems?

Yes, but only if the system supports SERCOS or has compatible gateways. Integration may require additional configuration to align with older control hardware.

Common Misspellings

DKR041W300NBE1102FW

DKR04 1 W300N BE11 02 FW

dkr04.1-w300n-be11-02-fw

DKR4.1-W300N-BE11-02-FW

Internal Product Review

The DKR04.1-W300N-BE11-02-FW is a drive controller in Bosch Rexroth Indramat DKR series. It uses a rigid DC bus with no bleeder and features SERCOS command interface, built-in blower air cooling, and support for digital servo and resolver feedback. It finds use in CNC machine tools, precision automation systems, and servo spindle drives.