RD52.1-7N-110-L-V1-FW Bosch Rexroth Indramat
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MPN: R911201097
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The Bosch Rexroth Indramat RD52.1-7N-110-L-V1-FW is a drive controller from the RD 500 Drive Controllers series, featuring field oriented vector control and forced air cooling. It supports an inverter DC supply with a voltage range of 530 to 670 V and a rated power of 110 kW. This unit comes without a built-in brake chopper and provides an external 24 V stand-by power function.
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Product Description:
The RD52.1-7N-110-L-V1-FW is a drive controller produced by Bosch Rexroth Indramat within the RD 500 Drive Controllers series. In an automation cell, it sits between the DC supply and the motor, regulating torque and speed according to commands from a PLC. By converting the intermediate-circuit voltage into three-phase output with controlled current and frequency, the unit supports closed-loop control of induction or synchronous machines used on conveyors, extruders, and processing lines. That arrangement lets the drive respond quickly to load changes while keeping the main power conversion stage in the control cabinet.
The controller delivers a continuous output of 110 kW, so cabinet cooling and cable sizing must match that power level. It accepts a DC bus range of 530 to 670 V, which allows it to share a common intermediate circuit with other inverters on the same installation. Motor regulation uses field-oriented vector control, which adjusts current in real time to maintain flux and torque as load changes. Because the bus is fed from an inverter-fed DC source, the module omits rectifier components and relies on upstream regenerative or diode front-end units. Heat is removed by forced air cooling, so airflow through the cabinet must remain unobstructed during operation.
The power stage is supplied without a built-in brake chopper, so dynamic braking requires an external resistor module when rapid stops are needed. Control electronics remain active during a loss of input power through 24 V standby power, which is provided by an external supply line for parameter retention and fieldbus communication. The unit is part of generation 1 of the RD52 platform, and its enclosure and I/O layout follow the first design release. Keeping the control section energized also allows stored settings and communication status to remain available while the power stage is inactive after a line interruption.
Frequently Asked Questions about RD52.1-7N-110-L-V1-FW:
Q: What method is used to cool the RD52.1-7N-110-L-V1-FW drive controller?
A: The RD52.1-7N-110-L-V1-FW operates with forced air cooling, ensuring temperature regulation during heavy use.
Q: What is the rated power output of the RD52.1-7N-110-L-V1-FW?
A: This model supports a rated output power of 110 kW for demanding industrial applications.
Q: What type of control does the RD52.1-7N-110-L-V1-FW offer?
A: The RD52.1-7N-110-L-V1-FW utilizes field oriented vector control for precise and dynamic motor control.
Q: What is the supply voltage range for the RD52.1-7N-110-L-V1-FW?
A: This drive controller has a supply voltage range from 530 to 670 V, making it suitable for high-voltage operations.
Q: Does the RD52.1-7N-110-L-V1-FW come with a built-in brake chopper?
A: The RD52.1-7N-110-L-V1-FW is not equipped with a built-in brake chopper.
