RD52.1-7N-022-L-NN-FW Bosch Rexroth Indramat
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MPN: R911200250
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The Bosch Rexroth Indramat RD52.1-7N-022-L-NN-FW is a drive controller from the RD 500 Drive Controllers series. It features a rated power of 22 kW, uses field oriented vector control, and operates within a voltage range of 530 to 670 V. The unit is cooled by forced air and does not include a built-in brake chopper.
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Product Description:
The RD52.1-7N-022-L-NN-FW is a drive controller produced by Bosch Rexroth Indramat and assigned to the RD 500 Drive Controllers series. In an automation cell, the unit interfaces between the plant DC bus and an AC induction or synchronous motor, adjusting torque and speed for conveyors, pumps, or machine axes. It regulates motor current and output frequency so the connected machine can maintain commanded speed under changing load conditions during startup, production, and deceleration. Supplied as a standalone drive controller, it can be matched with fieldbus and cooling options that suit the motion task and the cabinet layout. This arrangement suits centralized drive cabinets where several motion components share a common power infrastructure.
The controller is supplied from a DC inverter link that operates in the 530 to 670 V range, so the connected mains rectifier or common bus must stay within that window for stable operation. The unit supports a motor power rating of 22 kW, which places it in a range suited to medium-duty industrial drives. Speed regulation uses field-oriented vector control, which separately manages magnetic flux and current components to keep torque response stable at low speed and during load changes. Cooling is provided by forced-air cooling, so a clear airflow path through the heat sink is required to control semiconductor temperature during continuous operation. Proper airflow also helps the controller maintain consistent output in enclosed cabinet installations.
The unit is supplied without a built-in brake chopper, so applications with frequent deceleration may require external braking hardware. It belongs to Design Generation 1, which identifies the product generation used for this version of the controller and its matching mechanical layout. The control firmware is ordered separately rather than shipped embedded in the unit. The internal option slots are not equipped, leaving room for later addition of interface or feedback modules without changing the base controller. This layout keeps the standard unit available for applications that do not need extra internal options.
Frequently Asked Questions about RD52.1-7N-022-L-NN-FW:
Q: What is the power rating of the RD52.1-7N-022-L-NN-FW drive controller?
A: This model operates with a rated power output of 22 kW.
Q: What control method is utilized by the RD52.1-7N-022-L-NN-FW drive controller?
A: The RD52.1-7N-022-L-NN-FW uses field oriented vector control for precision motor management.
Q: What voltage range does the RD52.1-7N-022-L-NN-FW drive controller require for operation?
A: This drive controller supports a voltage input range of 530 to 670 V.
Q: What type of cooling system does the RD52.1-7N-022-L-NN-FW use?
A: The RD52.1-7N-022-L-NN-FW is cooled by forced air cooling.
Q: Does the RD52.1-7N-022-L-NN-FW have a built-in brake chopper?
A: This model does not include an integrated brake chopper.
