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R911203291 (RD51.1-4N-055-W-V1-FW)

RD 500 Drive Controllers

Rated 4.4 stars (5 total reviews)
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Expedited Lead Times on Select Parts
1 Year Warranty Included
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Expedited Lead Times on Select Parts
1 Year Warranty Included
Free Ground Shipping

Current response time:

6 Minutes 16 Seconds

The R911203291 (RD51.1-4N-055-W-V1-FW) is a Bosch Rexroth drive control unit designed for precise positioning and speed regulation in applications requiring reliable platform speed and position control. This converter operates with a nominal connecting voltage of 3 x AC 380 to 480 V (±10%) and supplies 55 kW rated power. It features a modular configuration, 24 V external stand-by power, and is equipped for liquid cooling. The unit supports additional signal processing, providing a current cycle time of 0.1 ms and torque rise time of 0.3 ms. Overload capacity is rated at 150% for 1 s and 200% for 0.5 s. Key integrated technology functions include PID, XOR, D-latch, AND, and PI controllers. An inbuilt EMC-compliant radio filter minimizes electromagnetic disturbances. The firmware is factory assigned, and the design includes U/f curve control without a built-in brake chopper.

Technical Specifications

Use
Positioning Tasks, Speed Control Applications

Configuration
Module Based

Compatibility
Induction Motors, Asynchronous Motors

Electromagnetic Compatibility
Yes

Embedded Filter
Radio Filter

Noise Level
Minimum

Overload Capability
200% for 0.5 second, 150% for 1 second

Current Cycle Time
0.1 ms

Torque Rise Time
0.3 ms

Technology Functions
PID, XOR, D-latch, AND, PI controller

Additional Signal Processor
Yes

Shipping
Global.

Common Misspellings

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Warranty
1-year-warranty
Indramat USA 1 Year Warranty
Repair
We offer a repair service for the RD51.1-4N-055-W-V1-FW.
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