RD52.1-7N-110-L-NN-FW Bosch Rexroth Indramat
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MPN: R911200406
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The Bosch Rexroth Indramat RD52.1-7N-110-L-NN-FW is a drive controller from the RD 500 Drive Controllers series with a rated power of 110 kW and operates on an inverter DC supply with a voltage range of 530 to 670 V. It uses field oriented vector control and forced air cooling, and does not include a built-in brake chopper.
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Product Description:
The RD52.1-7N-110-L-NN-FW drive controller is produced by Bosch Rexroth Indramat as part of the RD 500 Drive Controllers series. It serves as the power conversion and motor control stage in industrial automation systems that require precise regulation of high-power AC machines. By monitoring feedback from encoders and process sensors, the unit delivers regulated current and voltage to attached motors, allowing conveyor, pump, or spindle axes to follow programmed motion profiles with predictable dynamic response. This allows the drive to maintain stable operation when load demand changes during normal machine use.
Its power section is rated for a continuous output of 110 kW, so it can operate large motors without external boosters. The DC link accepts bus levels from 530 to 670 V, a range suited to common 600 V class rectifier stacks and energy recovery links. Vector processing uses field-oriented vector control, which separates stator current into torque-producing and magnetizing components for stable low-speed performance. The controller draws its operating energy from an inverter DC supply instead of direct mains power, which helps isolate the drive from supply transients and supports shared DC-bus arrangements. Internal heat is removed by forced air cooling, allowing full power operation with normal cabinet airflow and without liquid cooling circuits.
The hardware is delivered without a built-in brake chopper, so excess DC-link energy during rapid deceleration must be handled by external braking hardware or a regenerative unit. The unit is in design generation 1, which keeps it aligned with the first generation of this platform. The control-related options are not installed, leaving the base platform open for customization. This leaves room for application-specific I/O expansion when additional interfaces or control functions are required.
Frequently Asked Questions about RD52.1-7N-110-L-NN-FW:
Q: What is the rated power output of the RD52.1-7N-110-L-NN-FW controller?
A: The RD52.1-7N-110-L-NN-FW drive controller provides a rated power of 110 kW, supporting high-power industrial applications.
Q: What voltage range does the RD52.1-7N-110-L-NN-FW support?
A: This model operates within a voltage range of 530 to 670 V, enabling it to function in systems with sizable voltage variability.
Q: What control method is utilized by the RD52.1-7N-110-L-NN-FW?
A: Field oriented vector control is used in this drive controller, which enables precise and dynamic control of motor speed and torque.
Q: How is the RD52.1-7N-110-L-NN-FW cooled?
A: The RD52.1-7N-110-L-NN-FW uses forced air cooling, which requires airflow for effective temperature regulation during operation.
Q: Does the RD52.1-7N-110-L-NN-FW have a built-in brake chopper?
A: This unit is produced without a built-in brake chopper, so external solutions may be necessary where braking energy needs to be managed.
