R911285092 (DKR02.1-W300N-BE34-02-FW)

Name: R911285092 (DKR02.1-W300N-BE34-02-FW)
Brand: Indramat Drives
SKU: DKR02.1-W300N-BE34-02-FW
Price: 451.00 USD
Availability: InStock

DKR Drive Controllers

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The Bosch Rexroth Indramat R911285092 (DKR02.1-W300N-BE34-02-FW) is a Type 1 digital drive controller from product series DKR and line series 02, designed for high-power motor control. It operates with an AC 230 V ±10% control voltage at 50–60 Hz and utilizes a built-in blower for air cooling. The unit supports integration of plug-in modules in U1–U5 slots, incorporates an ESM firmware module for operating system and parameter storage, and is configured without a bleeder or brake chopper, providing a rigid DC bus. Key parameters include a nominal current of approximately 300 A, continuous current up to 141 A at 4 kHz, peak current of 212 A, and continuous power output of 55 kW at 4 kHz or 43 kW at 8 kHz. The controller accommodates SERCOS command interfaces and supports both digital servo and resolver feedback. It dissipates 1800 W of heat, operates within an ambient temperature range of 5–45°C, and weighs 104 kg.

Technical Specifications

Product Line
Bosch Rexroth Indramat

Design
Type 1

Product Group
Line 4

Cooling Method
Internal Blower

Control Voltage
AC 230 V ± 10%, 50 – 60 Hz

Module Slots
U1 to U5

Weight
104 kg

Total Heat Dissipation
1800 Watts

Continuous Current Rating
141 Amperes (4 kHz), 110 kHz (8 kHz)

Peak Current
212 Amperes

Control Voltage Power
200 VA

Continuous Power
55 kW (4 kHz), 43 kW (8 kHz)

Nominal Current
300 Amperes

Derated Data Ambient Temperature
55 degrees C

Peak Power
93 kW (both frequencies)

Maximum Frequency
800 Hz, 1600 Hz

Continuous Regenerated Power
43 kW

Control Voltage Frequency
50 – 60 Hz

Firmware
ESM Firmware Module

Permissible Surrounding Air Temperature
5 – 45 oC

Shipping/Storage Temperature
-30 ... 80 degrees C

Frequently Asked Questions

How does the built-in blower cooling in DKR02.1-W300N-BE34-02-FW improve performance?

The integrated blower ensures consistent air circulation, preventing overheating during high-load operations. This maintains efficiency and prolongs the drive’s service life.

Why is digital servo feedback important in DKR02.1-W300N-BE34-02-FW?

Digital servo feedback enhances precision by providing accurate position and speed data to the controller. This ensures smooth synchronization in demanding applications.

How does resolver feedback support DKR02.1-W300N-BE34-02-FW?

Resolver feedback provides robust and noise-resistant position sensing. This is especially useful in environments with high electrical interference.

Why is the nominal current of approx. 300A critical in DKR02.1-W300N-BE34-02-FW?

The high nominal current enables the drive to handle large, powerful motors effectively. This makes it suitable for heavy-duty machining and spindle applications.

How does the SERCOS interface benefit the DKR02.1-W300N-BE34-02-FW in automation systems?

SERCOS ensures fast, standardized communication with other automation components. It allows for real-time data exchange with high reliability and accuracy.

Common Misspellings

DKR021W300NBE3402FW

DKR02 1 W300N BE34 02 FW

dkr02.1-w300n-be34-02-fw

DKR2.1-W300N-BE34-02-FW

Internal Product Review

The Bosch Rexroth Indramat DKR02.1-W300N-BE34-02-FW is a dependable servo drive controller designed for industrial automation applications. It provides approx. 300 A nominal current, accommodates digital servo and resolver feedback, and has a SERCOS interface with air cooling. Its typical uses include CNC machines, spindle drives, and sophisticated linear motor systems.