R911293422 (DKR02.1-W200N-BE76-01-FW)

Name: R911293422 (DKR02.1-W200N-BE76-01-FW)
Brand: Indramat Drives
SKU: DKR02.1-W200N-BE76-01-FW
Price: 818.00 USD
Availability: InStock

DKR Drive Controllers

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The R911293422 (DKR02.1-W200N-BE76-01-FW) is an industrial drive controller from Rexroth Indramat, designed for operation with three types of motors: 1MB frameless spindle motor, LAF/LSF linear motors, and 2AD AC main spindle motors. It supports a rated current of 200 A and operates on a power voltage between 400 and 480 V. The controller features a built-in air cooling blower, SERCOS command interface, digital servo and resolver feedback compatibility, and is configured without a brake chopper for a rigid DC bus. Its construction allows for installation in environments requiring robust heat management and reliable connectivity.

Technical Specifications

Materials
Recyclable

Durability
Can withstand harsh industrial conditions

Current Rating
200 Amperes

Voltage Rating
400-480 volts

Additional Feature
Three-phase electrical connector

Temperature Control
Built-in air controlle

Frequently Asked Questions

Why is a rigid DC bus configuration significant for industrial drives?

A rigid DC bus ensures stable voltage levels under fluctuating loads, reducing ripple effects in multi-axis systems. This stability improves precision in CNC and robotics operations.

What communication advantage does the SERCOS interface provide in automation setups?

SERCOS allows deterministic, real-time communication between drives and controllers. This reduces latency in motion control, improving synchronization across multiple axes.

Can the DKR02.1-W200N-BE76-01-FW operate in environments with frequent load reversals?

Yes, but since no internal bleeder is provided, energy from load reversals must be externally managed. This ensures the DC bus does not overvoltage during rapid directional changes.

How does digital servo feedback improve positioning accuracy compared to resolver-only feedback?

Digital servo feedback provides higher resolution and faster signal processing. This enables tighter motion profiles and more precise axis control in applications like semiconductor assembly.

Why is design versioning, such as version 1 in this unit, important for integrators?

Design versions indicate compatibility with specific firmware and hardware standards. Using the wrong version can cause issues in mixed-system upgrades or replacements.

Common Misspellings

DKR021W200NBE7601FW

DKR02 1 W200N BE76 01 FW

dkr02.1-w200n-be76-01-fw

DKR2.1-W200N-BE76-01-FW

Internal Product Review

The DKR02.1-W200N-BE76-01-FW from Bosch Rexroth Indramat delivers a 200 A rated current with air cooling via a built-in blower. It features a rigid DC bus and no bleeder/brake chopper and uses SERCOS interface and supports digital servo and resolver feedback. In practice it fits CNC machining, printing, robotics, and automated packaging roles.