RAC 2.2-200-460-A0I-W1/S001 Bosch Rexroth Indramat
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MPN: R911254711
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The Bosch Rexroth Indramat RAC 2.2-200-460-A0I-W1/S001 is an AC Main Spindle Drive Controller from the RAC Spindle Drive Controllers series. This device features a built-in fan for cooling and supports a rated connection voltage of 3 x AC 400 V, 50 Hz, +/-15% or 3 x AC 460 V with a rated current of 200 Amps. It includes an incremental encoder output and uses an analog speed command of +/- 10 V.
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Product Description:
The RAC 2.2-200-460-A0I-W1/S001 is produced by Bosch Rexroth Indramat as part of the RAC Spindle Drive Controllers series. It functions as a main spindle drive controller that links the CNC control loop to the machine’s motor, converting command signals into regulated three-phase power. Within an automated machining cell, the unit maintains constant spindle velocity and delivers acceleration profiles required for tool changes and cutting passes. As an electronic module, it is installed in the power cabinet and communicates with motion controllers through analog velocity references or encoder feedback.
Its classification as an AC Main Spindle Drive Controller indicates that the inverter stage is optimized for high rotational speeds rather than axis positioning. Cooling is provided by an internal blower, so cabinet airflow does not need to be routed through the heatsink. The power section accepts a line supply of 3 x AC 400 V at 50 Hz, with a permissible variation of ±15%, enabling connection to standard European mains. The drive can operate at a continuous output current of 200 A, allowing it to energize large induction or synchronous spindle motors without derating. The unit is Series 2 and Version 2.
Additional interfaces complete the control chain. Speed demand enters through an analog ±10 V input that is filtered and scaled before reaching the pulse-width modulator. Tachometer information can be forwarded to external motion cards because the drive supplies an incremental encoder output, but it is shipped without an additional encoder input, so secondary feedback devices must be wired directly to the CNC. Command and diagnostic signals leave the controller on the X4 9-pole interface, and braking energy is handled solely by the internal circuitry because the unit is supplied without additional bleeder hardware. For facilities using North American mains, the rectifier bridges accept 3 x AC 460 V, matching common 480 V distribution without a step-down transformer.
Frequently Asked Questions about RAC 2.2-200-460-A0I-W1/S001:
Q: What is the rated current of the RAC 2.2-200-460-A0I-W1/S001 drive controller?
A: The RAC 2.2-200-460-A0I-W1/S001 has a rated output current of 200 A.
Q: What supply voltage is required for the RAC 2.2-200-460-A0I-W1/S001 drive controller?
A: This drive controller supports a rated connection voltage of either 3 x AC 400 V, 50 Hz, +/-15% or 3 x AC 460 V.
Q: How is the RAC 2.2-200-460-A0I-W1/S001 cooled during operation?
A: An internal blower and built-in fan provide cooling for the RAC 2.2-200-460-A0I-W1/S001.
Q: What type of speed command input does the RAC 2.2-200-460-A0I-W1/S001 accept?
A: The speed command for this controller is achieved using an analogue signal of +/- 10 V.
Q: What type of additional interface does the RAC 2.2-200-460-A0I-W1/S001 provide?
A: This model includes an incremental encoder output as an additional interface.
