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RD51.1-5N-315-F-FV-FW Bosch Rexroth Indramat

MPN: R911200927

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The Bosch Rexroth Indramat RD51.1-5N-315-F-FV-FW is a drive controller from the RD 500 Drive Controllers series. It offers a rated power of 315 kW and uses U/f curve control with a supply voltage of 500 V as a Converter 3 x AC type. This model utilizes forced air cooling with integrated liquid circulation and features feedback of current filters as well as 24 V stand-by power.

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Product Description:

The RD51.1-5N-315-F-FV-FW drive controller is produced by Bosch Rexroth Indramat as part of the RD 500 Drive Controllers series. It is intended for integration in industrial automation cells where regulated torque and speed are required from three-phase induction motors. Acting as the interface between the plant power network and motion commands issued by a PLC, the unit converts fixed-frequency mains energy into variable output that matches process demands. This allows controlled acceleration, deceleration, and stable running in applications such as conveyors, mixers, and pump groups.

For mains connection, the controller is classified as a Converter 3 × AC, and its power section is optimized for a nominal line of 500 V. The inverter can deliver up to 315 kW of mechanical power to a matched motor when operating at base frequency and rated current. Speed regulation uses U/f curve control, which raises voltage in proportion to frequency to help maintain motor flux through the working range. Because the housing is supplied without a built-in brake chopper, regenerative energy must be handled by an external resistor bank or a separate recovery module. This arrangement is suited to installations where braking hardware is placed elsewhere in the drive system.

Heat is removed through forced-air cooling with integrated liquid circulation, a scheme that combines high-volume airflow with a coolant channel to stabilize semiconductor temperature during sustained operation. The hardware corresponds to design generation 1, which indicates its mechanical outline and option compatibility. Drive diagnostics include continuous current-filter feedback (U6, V6, W6), allowing the control system to monitor filter performance during operation. During system idle, the logic can remain energized by an external 24 V standby power supply so parameter memory and fieldbus communication stay active while the main converter is isolated. This can support orderly shutdown behavior and keep status information available when the power section is not running.

Brake Chopper
Without built-in brake chopper
Control Type
U/f curve control
Cooling Type
Forced air cooling integrated liquid circulation
Design Generation
1
Firmware Note
Firmware must be ordered as separate subposition
Function 1
Feedback of current filter (U6, V6, W6)
Function 2
24 V stand-by power, external
Product Type
Drive Controller
Rated Power
315 kW
Supply Type
Converter 3 x AC
Voltage Range
500 V
  • RD5115N315FFVFW
  • RD51 1 5N 315 F FV FW
  • rd51.1-5n-315-f-fv-fw

Frequently Asked Questions about RD51.1-5N-315-F-FV-FW:

Q: What is the rated power output of the RD51.1-5N-315-F-FV-FW drive controller?

A: The RD51.1-5N-315-F-FV-FW has a rated power of 315 kW, enabling it to handle high performance industrial applications.

Q: What type of power supply does the RD51.1-5N-315-F-FV-FW require?

A: This model operates on a 3-phase AC converter supply type, offering compatibility with industrial power sources.

Q: How is the RD51.1-5N-315-F-FV-FW drive controller cooled?

A: The RD51.1-5N-315-F-FV-FW uses forced air cooling with integrated liquid circulation for temperature management.

Q: What control method does the RD51.1-5N-315-F-FV-FW use?

A: U/f curve control is the control type utilized by the RD51.1-5N-315-F-FV-FW model.

Q: Does the RD51.1-5N-315-F-FV-FW have an integrated brake chopper?

A: This drive controller does not include a built-in brake chopper.


Internal Product Review

  • ‘‘The RD51.1-5N-315-F-FV-FW is a drive controller that stands out for dependable U/f curve control. Integrated liquid circulation with forced air cooling and external 24 V stand-by power support stable operation in demanding systems. A 315 kW rating at 500 V is a strong highlight for high-power AC converter installations.’’

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