RD52.1-7N-007-L-NN-FW Bosch Rexroth Indramat
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MPN: R911200405
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The Bosch Rexroth Indramat RD52.1-7N-007-L-NN-FW drive controller is part of the RD 500 Drive Controllers series and supports a rated power of 7.5 kW. It uses field oriented vector control with forced air cooling and operates within a voltage range of 530 to 670 V.
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Product Description:
The RD52.1-7N-007-L-NN-FW drive controller is produced by Bosch Rexroth Indramat for the RD 500 Drive Controllers series. It is designed to sit in the DC link of multi-axis cabinets and generate variable three-phase outputs for induction or synchronous motors connected to centralized drive systems. By coordinating current and voltage vectors, it maintains commanded torque during changing load conditions, which suits conveyor, extruder, and packaging lines that require repeatable motion. Its compact housing and pluggable terminals simplify installation, reduce cabling effort during panel assembly, and help keep wiring density low inside the control enclosure.
This model uses field-oriented vector control to resolve stator flux in real time, enabling accurate torque regulation from zero speed to base frequency and improving low-speed response. The power bridge can deliver 7.5 kW of mechanical output, which fits mid-range pumps, small extruders, and similar equipment that does not require a larger drive. A DC bus window of 530 to 670 V allows stable operation on common 600-volt systems, and the Inverter DC supply type allows energy sharing with other axes on the bus. Thermal energy is removed through forced-air cooling, which directs airflow along the heatsink to keep the power devices within their temperature limits during continuous operation.
The unit ships without a built-in brake chopper, so applications that need rapid deceleration must use an external resistor or a regenerative supply module to handle returned energy from the motor. The drive is Generation 1, so it uses option cards and fan assemblies intended for that product generation rather than later revisions. Control software is ordered as a separate item, which allows the controller to be matched to the required fieldbus or safety setup without changing the hardware. The base electronics are not equipped with specialized functions such as safe torque off, so those functions must be provided by external system components when required.
Frequently Asked Questions about RD52.1-7N-007-L-NN-FW:
Q: What is the rated power output of the RD52.1-7N-007-L-NN-FW drive controller?
A: The RD52.1-7N-007-L-NN-FW has a rated power of 7.5 kW, making it suitable for moderate industrial drive applications.
Q: What voltage range does the RD52.1-7N-007-L-NN-FW support?
A: This model operates within a voltage range of 530 to 670 V, supporting high-voltage systems.
Q: What cooling method is used in the RD52.1-7N-007-L-NN-FW controller?
A: The RD52.1-7N-007-L-NN-FW is cooled by forced air, which helps in maintaining optimal operating temperatures.
Q: Does the RD52.1-7N-007-L-NN-FW come with a built-in brake chopper?
A: This drive controller does not include a built-in brake chopper, which may be needed in applications requiring braking energy dissipation.
Q: What type of control method is featured in the RD52.1-7N-007-L-NN-FW drive controller?
A: It utilizes field oriented vector control, offering precise motor control for dynamic drive requirements.
