RD52.1-4N-007-L-V1-FW Bosch Rexroth Indramat
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MPN: R911200213
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The Bosch Rexroth Indramat RD52.1-4N-007-L-V1-FW is a drive controller in the RD 500 Drive Controllers series. It features field oriented vector control and supports a rated power of 7.5 kW. The controller operates with forced air cooling and covers a voltage range from 380 to 480 V with an integrated mains filter.
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Product Description:
The RD52.1-4N-007-L-V1-FW is a drive controller produced by Bosch Rexroth Indramat for the RD 500 Drive Controllers series. As a generation 1 unit, it converts plant-level three-phase power into a regulated output that follows reference commands from supervisory motion hardware. Inside automated lines, it acts as the electrical interface between a PLC and the motor, supporting coordinated speed or torque control for conveyors, mixers, and machining cells where repeatable motion is essential and changing loads must be handled smoothly.
The controller regulates motor current through field-oriented vector control, a method that aligns stator and rotor flux to maintain linear torque response even during rapid load changes and short acceleration events. Thermal energy is expelled by forced air cooling, so installation must preserve clear airflow paths around the heat sink and keep dust buildup from restricting circulation. The power section accepts line voltages in the range of 380 to 480 V and stabilizes that input through a DC link for consistent inverter operation. Because it is a 3-phase AC converter, the unit rectifies all three line phases before generating a synthesized output waveform that matches command frequency. Voltage sag or swell up to a ±10% tolerance can be handled without derating, permitting connection to feeders that experience moderate fluctuation.
A continuous output rating of 7.5 kW equips the device to run medium-frame induction or synchronous motors common in packaging spindles and pump drives. Control electronics remain active when the main bus is de-energized thanks to the separate 24 V standby power input, allowing parameter access and status checks while the motor power stage is inactive. Conducted emissions are attenuated by the integrated mains filter, which reduces the need for external EMC hardware in many cabinet layouts. Braking energy must be routed to an external resistor because the controller is supplied without a built-in brake chopper, so regenerated energy from decelerating loads can be dissipated outside the drive housing.
Frequently Asked Questions about RD52.1-4N-007-L-V1-FW:
Q: What is the rated power output of the RD52.1-4N-007-L-V1-FW drive controller?
A: The RD52.1-4N-007-L-V1-FW offers a rated power of 7.5 kW for demanding motion control applications.
Q: What input voltage range is supported by the RD52.1-4N-007-L-V1-FW?
A: This model operates within a voltage range of 380 to 480 V, accommodating standard industrial three-phase power supplies.
Q: What type of motor control does the RD52.1-4N-007-L-V1-FW utilize?
A: The RD52.1-4N-007-L-V1-FW features field oriented vector control, enabling precise and efficient motor operation.
Q: How is the RD52.1-4N-007-L-V1-FW cooled?
A: This drive controller uses forced air cooling, ensuring adequate heat dissipation during operation.
Q: Does the RD52.1-4N-007-L-V1-FW have a built-in mains filter?
A: An integrated mains filter is included, which helps to reduce electrical noise and interference.
