R911279480 (DKR03.1-W200N-BE79-01-FW)

Name: R911279480 (DKR03.1-W200N-BE79-01-FW)
Brand: Indramat Drives
SKU: DKR03.1-W200N-BE79-01-FW
Price: 508.00 USD
Availability: InStock

DKR Drive Controllers

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Current response time:

6 Minutes 49 Seconds

Phone:
1-888-551-3082

Email:
sales@indramat-usa.com

The Bosch Rexroth R911279480 (DKR03.1-W200N-BE79-01-FW) is an intelligent digital drive controller designed for use with Rexroth motors such as frameless spindle 1MB, linear LAF/LASF, and AC main spindle ADF or 2AD, with continuous power output from 10 to 93 kW. The drive accepts a rated power voltage of 3xAC 400–480 V and a control voltage of AC 230 V, supporting a rated current of 200 A. It features SERCOS interface for command communication, digital servo motor and resolver feedback, and connects to higher-level control units via fiber optic cables. The internal blower facilitates air cooling. The unit operates in ambient temperatures from +5 to +45°C and elevations up to 1000 m. The configuration does not include a bleeder or brake chopper and utilizes a rigid DC bus. Typical applications include NC machines and printing machines.

Technical Specifications

Suitable For
1MB motors, LAF or LASF motors, ADF or 2AD motors

Power Output
10 and 93 kW

Rated Power Voltage
3xAC 400 ... 480, ± 10%

Rated Current
200A

Control Voltage
AC 230 V, ± 10%

Frequency
50 ... 60 Hz

Motor Feedback
Digital Servo and Resolver

Communication Interface
SERCOS

Command Communication
Fiber Optic Cables

Ambient Temperature
+5° to +45° C

Installation Elevation
0 to 1000 m above sea level

Cooling Feature
Built-in Blower, Air

Use Applications
NC-Controlled Machines, Printing Machines

Supplier
Indramat USA

Frequently Asked Questions

How does the SERCOS interface affect integration into motion control systems?

SERCOS allows deterministic, high-speed communication between controllers and drives. This ensures tight synchronization in multi-axis automation setups.

What does the absence of a brake chopper in the DKR03.1-W200N-BE79-01-FW mean for energy dissipation?

Without a brake chopper, excess regenerative energy cannot be dissipated internally. This requires an external solution, often through resistors or system-level feedback to the grid.

What happens if improper motor feedback type is connected?

The controller may fail to initialize or generate fault codes during startup. Using the correct feedback type is essential for stable commissioning.

Can this controller be used in high-speed spindle applications?

Yes, its feedback compatibility and communication speed allow precise spindle control. It ensures accuracy at varying speeds under dynamic loads.

How does thermal management impact drive reliability?

Consistent airflow from the built-in blower prevents hot spots on internal components. This directly extends the service life of semiconductors and capacitors.

Common Misspellings

DKR031W200NBE7901FW

DKR03 1 W200N BE79 01 FW

dkr03.1-w200n-be79-01-fw

DKR3.1-W200N-BE79-01-FW

Internal Product Review

The Bosch Rexroth Indramat DKR03.1-W200N-BE79-01-FW is a drive controller. It delivers a rated current of 200 A, has a rigid DC bus with no bleeder, and uses SERCOS communication plus built-in blower cooling. In CNC, printing or robotics setups, it handles spindle, linear and frameless motor control.