R911291239 (DKR02.1-W200N-BA09-01-FW)

Name: R911291239 (DKR02.1-W200N-BA09-01-FW)
Brand: Indramat Drives
SKU: DKR02.1-W200N-BA09-01-FW
Price: 815.00 USD
Availability: InStock

DKR Drive Controllers

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The R911291239 (DKR02.1-W200N-BA09-01-FW) is a Rexroth DKR 2.1 series drive controller featuring an analog command interface and integrated air cooling via a built-in blower. The unit operates with a minimum airflow requirement of 300 m³/h at a maximum static pressure of 160 Pa and produces a noise level of 68 dB(A) at both 50 and 60 Hz. It supports a rated current of 200 A, is designed without a bleeder or brake chopper, and utilizes a rigid DC bus. The device handles digital servo and resolver motor feedback. It is specified for function numeric code 09 and version 01, withstanding shocks up to 4.8 g for 10 ms and 8.4 g for 5 ms. Operational ambient temperature is up to 45°C without derating; higher temperatures require a heat exchanger. Storage is recommended at -30°C to 85°C, protected from dust, moisture, and vibration. Electrostatic discharge precautions and connection to the motor's earthed conductor are necessary during installation.

Technical Specifications

Design Type
1

Line
2

Cooling Method
Built-in blower

Communication Interface
Analog

Function Numeric Code
09

Version Function Numeric Code
01

Minimum Airflow
300 m3/h

Maximum Pressure
160 Pa

Noise Level at 50Hz
68 dB(A)

Noise Level at 60Hz
68 dB(A)

Shock Resistance
4.8 g per 10 ms and 8.4 g per 5 ms

Storage Temperature Range
-30 to 85 degrees C

Ambient Operating Temperature
Up to 45 degrees C without derating drive data

Shipping
Global

Frequently Asked Questions

What does the rigid DC bus in the DKR02.1-W200N-BA09-01-FW mean for system integration?

It allows multiple drives to share a common supply, reducing external components. This simplifies wiring and improves system fault tolerance.

Why is air cooling with a built-in blower important for this controller?

It eliminates the need for external cooling systems. Continuous airflow stabilizes thermal conditions during heavy-duty operation.

Can the DKR02.1-W200N-BA09-01-FW be used with legacy systems?

Yes, its architecture aligns with earlier line series. This ensures backward compatibility in retrofit projects.

What kind of maintenance impact comes from the built-in blower?

Filters and fans may require periodic cleaning or replacement. Proactive servicing prevents thermal shutdowns and extends operating life.

How does this drive controller perform in robotics compared to CNC applications?

In robotics, resolver feedback ensures smooth joint motion. In CNC systems, analog input allows fine-tuned spindle and axis speed control.

Common Misspellings

DKR021W200NBA0901FW

DKR02 1 W200N BA09 01 FW

dkr02.1-w200n-ba09-01-fw

DKR2.1-W200N-BA09-01-FW

Internal Product Review

The DKR02.1-W200N-BA09-01-FW is a drive controller from Bosch Rexroth’s DKR series. It uses a rigid DC bus with no bleeder, supports analog command inputs, and is air-cooled via a built-in blower. This controller is commonly applied in CNC machines, high-speed packaging lines, robotics and other motion control systems.