RD51.1-7N-001-L-NN-FW Bosch Rexroth Indramat
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MPN: R911200042
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The Bosch Rexroth Indramat RD51.1-7N-001-L-NN-FW is a drive controller from the RD 500 Drive Controllers series. It features U-f curve control, forced air cooling, and operates with an inverter DC supply within a voltage range of 530 to 670 volts. This model does not include a built-in brake chopper.
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Product Description:
The RD51.1-7N-001-L-NN-FW is an electronic inverter unit from Bosch Rexroth Indramat in the RD 500 Drive Controllers series. It is intended for installation in a switchgear cabinet, where it takes power from a stabilized DC link and converts it into three-phase AC with adjustable voltage and frequency. This allows the connected system to regulate motor speed, torque, and direction in conveyors, mixers, and other material-handling equipment that requires controlled motion. The cabinet-mounted format is suited to installations where power conversion remains inside a protected electrical enclosure and motor leads are routed outward to the machine.
The power stage operates from an inverter DC bus and accepts a link voltage range of 530 to 670 V, which suits common industrial DC supply arrangements. Output is managed through U/f curve control, a scalar method that keeps magnetic flux stable as motor speed changes. Heat is removed by forced air cooling, with an internal fan moving ambient air across the heat sink to protect the power semiconductors during continuous operation. This version comes without a built-in brake chopper, so regenerative energy from deceleration must be handled by an external braking unit. The control approach fits applications that need steady speed regulation and reliable inverter operation without highly dynamic servo behavior.
This unit is Version 1 of the design and is identified as a drive controller for coordinated motor applications. The expansion slots are not equipped, so no additional fieldbus, I/O, or safety cards are installed in this configuration. With those option positions left open, the inverter remains in a basic hardware arrangement centered on its standard power conversion role. It is intended for closed-loop systems in which higher-level control and motor feedback manage acceleration, speed holding, and stopping behavior.
Frequently Asked Questions about RD51.1-7N-001-L-NN-FW:
Q: Does the RD51.1-7N-001-L-NN-FW have a built-in brake chopper?
A: The RD51.1-7N-001-L-NN-FW drive controller does not include a built-in brake chopper.
Q: What type of control method is used in the RD51.1-7N-001-L-NN-FW drive controller?
A: This model utilizes U/f curve control for motor speed regulation.
Q: What cooling method is implemented in the RD51.1-7N-001-L-NN-FW?
A: Forced air cooling is used to maintain optimal operating temperatures in this controller.
Q: What is the supported input voltage range for the RD51.1-7N-001-L-NN-FW?
A: The RD51.1-7N-001-L-NN-FW accepts an inverter DC supply with a voltage range from 530 to 670 V.
Q: Which series does the RD51.1-7N-001-L-NN-FW drive controller belong to?
A: This drive controller is part of the RD 500 Drive Controllers series from Bosch Rexroth Indramat.
