RD52.1-7N-001-L-V1-FW Bosch Rexroth Indramat
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MPN: R911200395
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The Bosch Rexroth Indramat RD52.1-7N-001-L-V1-FW is a drive controller from the RD 500 Drive Controllers series. It features field oriented vector control, forced air cooling, and operates on an inverter DC supply with a voltage range of 530 to 670 volts. This model is designed without a built-in brake chopper and supports external 24 V stand-by power.
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Product Description:
The RD52.1-7N-001-L-V1-FW is a drive controller produced by Bosch Rexroth Indramat within the RD 500 Drive Controllers series. It is used in inverter-based automation cells to translate motion setpoints from a PLC into regulated three-phase output for induction and synchronous motors. This allows the controller to supply the current, frequency, and phase alignment needed for precise speed and torque control. Its closed-loop behavior supports stable motor response when load demand or speed reference changes during operation.
This model uses field-oriented vector control, a control method that resolves stator currents into direct and quadrature components so torque can be adjusted in real time. The power section accepts a DC link that fluctuates safely within 530 to 670 V, allowing the unit to share a common bus with regenerative front ends. The controller uses an Inverter DC supply topology, so line-side harmonics are handled upstream rather than inside the controller cabinet. Thermal energy is removed by forced air cooling, so airflow clearance must be maintained to preserve semiconductor junction temperatures under dynamic load changes. This cooling arrangement helps the drive maintain consistent output during repeated acceleration and deceleration.
The unit operates without a built-in brake chopper, so braking energy must be diverted to external hardware. Control electronics can remain active during a main power loss through an auxiliary input that delivers 24 V standby power, allowing parameter retention and fieldbus communication while the power stage is inactive. The unit follows Generation 1 design conventions and works with first-generation option cards in the same family. It uses the same mounting dimensions as other units in the series. The controller uses a separate firmware order matched to the intended application.
Frequently Asked Questions about RD52.1-7N-001-L-V1-FW:
Q: What is the supply voltage range for the RD52.1-7N-001-L-V1-FW drive controller?
A: The RD52.1-7N-001-L-V1-FW operates with a supply voltage range of 530 to 670 V.
Q: What control type is implemented in the RD52.1-7N-001-L-V1-FW?
A: This drive controller uses field oriented vector control for precise motor regulation.
Q: How is the RD52.1-7N-001-L-V1-FW cooled during operation?
A: The RD52.1-7N-001-L-V1-FW uses forced air cooling to manage internal temperatures.
Q: Does the RD52.1-7N-001-L-V1-FW drive controller include a built-in brake chopper?
A: This unit does not have a built-in brake chopper included.
Q: What type of stand-by power function is featured on the RD52.1-7N-001-L-V1-FW?
A: The RD52.1-7N-001-L-V1-FW offers a 24 V external stand-by power function.
