RD52.1-5B-030-L-LV-FW Bosch Rexroth Indramat
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MPN: R911203701
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The Bosch Rexroth Indramat RD52.1-5B-030-L-LV-FW is a drive controller from the RD 500 Drive Controllers series with a rated power of 30 kW and a voltage range of 500 V. It is equipped with a built-in brake chopper and uses forced air cooling. This model features field oriented vector control and supports feedback of cable damping, with an option for external 24 V stand-by power.
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Product Description:
The Bosch Rexroth Indramat RD52.1-5B-030-L-LV-FW is part of the RD 500 Drive Controllers series. This drive controller commands AC motors in automated production cells, delivering controlled torque and speed according to process feedback. It bridges plant power, motor windings, and supervisory PLC logic so that motion profiles follow the programmed sequence without manual intervention. The design suits conveyors, pumps, and material-handling axes that require stable response during repeated operating cycles. Because motor current is regulated electronically, the unit can support repeatable process timing without relying on manual speed correction.
A built-in brake chopper routes excess DC-bus energy to an internal resistor during abrupt stops, helping prevent overvoltage faults. Precise torque regulation is delivered through field-oriented vector control, which resolves stator currents into d-q components for dynamic response. Thermal management relies on forced air cooling that draws cabinet air across the heat sink to maintain semiconductor temperature. At a rated output of 30 kW, the device can handle medium-sized pump, fan, or extruder duties while staying within its continuous current envelope. Operation is intended on DC buses derived from three-phase mains that can be rectified up to 500 V. This control method also helps the drive respond smoothly to changing load conditions during acceleration and deceleration.
Incoming power is connected through a three-phase AC converter supply section, allowing the controller to share a common DC link with other units on the line. For resonance-prone motor cables, the dedicated monitor channels provide cable-damping feedback (C3, D3) so oscillations can be detected and compensated in real time. An auxiliary circuit provides external 24 V standby power, which keeps the control electronics and communication active during mains disconnection. The hardware is identified as generation 1, indicating compatibility with first-release RD52 option cards, I/O terminals, and parameter sets.
Frequently Asked Questions about RD52.1-5B-030-L-LV-FW:
Q: Does the RD52.1-5B-030-L-LV-FW drive controller include a brake chopper?
A: The RD52.1-5B-030-L-LV-FW has a built-in brake chopper for handling regenerative energy.
Q: What control type does the RD52.1-5B-030-L-LV-FW support?
A: This model uses field oriented vector control for precise motor operation.
Q: What is the rated power output of the RD52.1-5B-030-L-LV-FW?
A: The RD52.1-5B-030-L-LV-FW is rated for 30 kW of output power.
Q: How is the RD52.1-5B-030-L-LV-FW cooled during operation?
A: Forced air cooling is used for thermal management in this drive controller.
Q: What supply voltage and type does the RD52.1-5B-030-L-LV-FW require?
A: This model operates within a voltage range of 500 V supplied via a 3-phase AC converter.
