RD52.1-7N-011-L-NN-FW Bosch Rexroth Indramat
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MPN: R911200225
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The Bosch Rexroth Indramat RD52.1-7N-011-L-NN-FW is a drive controller from the RD 500 Drive Controllers series. It supports a voltage range of 530 to 670 Volts and uses field oriented vector control. This design generation 1 unit is cooled by forced air and does not have a built-in brake chopper.
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Product Description:
The RD52.1-7N-011-L-NN-FW is a drive controller manufactured by Bosch Rexroth Indramat for the RD 500 Drive Controllers series. The unit interfaces between a plant-level supply and the motor during closed-loop operation in industrial equipment. It shapes current and voltage so motion axes in assembly cells, conveyors, or process machinery receive precise torque and speed commands during repeated operating cycles. This makes it suitable for applications that need stable motor response as load and speed demands change through the duty cycle.
It draws its DC bus power from an inverter DC supply and operates within a stabilized range of 530 to 670 V, allowing the same hardware to be used on rectified three-phase mains without hardware changes. This DC range also suits common supply arrangements used in industrial drive cabinets. Inside the control section, a field-oriented vector control algorithm resolves stator currents into torque-producing and flux-producing components, which helps the drive respond accurately during positioning or speed-regulated tasks. This control method supports responsive torque production and steady speed regulation across changing loads. Thermal management is handled through forced air cooling, and the heat sink layout allows cabinet airflow to remove switching and control losses without external chillers. Regenerative energy is returned to the bus, and because the unit is supplied without a built-in brake chopper, dynamic braking resistors must be mounted externally when rapid deceleration is required.
The unit is Generation 1, which indicates the connector layout and parameter structure used in this version. It is supplied for use with software ordered separately, so the memory is ready for the required application package rather than a fixed release. The unit comes with no optional technology packages installed, leaving room for additions such as encoder interfaces or expanded I/O if extra functions are required. This approach allows the control functions to be matched to the intended motor and machine task.
Frequently Asked Questions about RD52.1-7N-011-L-NN-FW:
Q: What series does the RD52.1-7N-011-L-NN-FW belong to?
A: The RD52.1-7N-011-L-NN-FW is part of the RD 500 Drive Controllers series.
Q: What type of control method does the RD52.1-7N-011-L-NN-FW support?
A: This model uses field oriented vector control for precise drive operation.
Q: Is a brake chopper integrated into the RD52.1-7N-011-L-NN-FW?
A: The RD52.1-7N-011-L-NN-FW does not include a built-in brake chopper.
Q: How is the RD52.1-7N-011-L-NN-FW cooled during operation?
A: This drive controller is cooled by forced air, ensuring stable temperature during use.
Q: What supply type and voltage range does the RD52.1-7N-011-L-NN-FW support?
A: The RD52.1-7N-011-L-NN-FW supports an inverter DC supply with a voltage range from 530 to 670 V.
