RS51.1-4G-014-L-V1-FW/S117 Bosch Rexroth Indramat
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MPN: R911203499
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The Bosch Rexroth Indramat RS51.1-4G-014-L-V1-FW/S117 is a basic drive from the RD 500 Drive Controllers series. It features a rated power of 14 kVA and a voltage range of 380 to 480 V with ±10% tolerance. This drive includes a built-in brake chopper with resistor, integrated mains filter, and uses forced air cooling.
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Product Description:
The RS51.1-4G-014-L-V1-FW/S117 is a drive controller produced by Bosch Rexroth Indramat for the RD 500 Drive Controllers series. Classified as a basic drive, the unit regulates three-phase induction motors in plant machinery where speed must follow a predefined voltage-to-frequency profile. It is intended for cabinet installation and supplies the automation system with adjustable motor power while interfacing with upstream protection and control circuits.
This controller accepts input from a three-phase AC converter supply and operates across a nominal line window of 380 to 480 V. The permissible mains fluctuation is limited to ±10%, allowing the device to ride through moderate voltage swings without derating. Its power section is rated for 14 kVA, matching medium-sized pumps, fans, or conveyor drives. Closed-loop regulation is not employed; instead, the motor follows a programmed U/f curve control profile that keeps torque production proportional to frequency for constant-torque applications. A built-in converter stage, DC link, and gate circuitry together generate the required output frequency spectrum for standard industrial motors.
Thermal management is handled by forced-air cooling that directs cabinet air across the heat sink to maintain semiconductor temperature within limits. Dynamic braking energy is diverted into a built-in brake chopper and resistor, eliminating the need for an external dump assembly. To reduce conducted emissions, the power section includes an integrated mains filter. Control electronics remain energized during machine standby through an external 24 V standby power connection, safeguarding parameter memory and fieldbus communication. The product belongs to design generation 1, and the firmware is supplied as a separate subposition so the software level can be selected without replacing the hardware.
Frequently Asked Questions about RS51.1-4G-014-L-V1-FW/S117:
Q: Does the RS51.1-4G-014-L-V1-FW/S117 drive controller include a brake chopper?
A: The RS51.1-4G-014-L-V1-FW/S117 has a built-in brake chopper and resistor for efficient energy dissipation during operation.
Q: What control type does the RS51.1-4G-014-L-V1-FW/S117 support?
A: This drive controller supports U/f curve control for speed regulation of AC motors.
Q: What cooling method does the RS51.1-4G-014-L-V1-FW/S117 utilize?
A: The RS51.1-4G-014-L-V1-FW/S117 uses forced air cooling to maintain optimal operating temperature.
Q: Is a mains filter integrated into the RS51.1-4G-014-L-V1-FW/S117 drive controller?
A: An integrated mains filter is included with this model to reduce electrical noise from the power supply.
Q: What is the rated power output of the RS51.1-4G-014-L-V1-FW/S117?
A: The rated power output for the RS51.1-4G-014-L-V1-FW/S117 drive controller is 14 kVA.
