RAC 2.2-200-380-D00-W1 Bosch Rexroth Indramat
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MPN: R911244695
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The Bosch Rexroth Indramat RAC 2.2-200-380-D00-W1 is an AC main spindle drive controller from the RAC Spindle Drive Controllers series. It features internal blower cooling with a built-in fan and supports a rated connection voltage of 3 x AC 400 V at 50-60Hz. The controller has a rated current of 200 A and utilizes a digital 16-bit parallel speed command input.
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Product Description:
The Bosch Rexroth Indramat RAC 2.2-200-380-D00-W1 resides in the RAC Spindle Drive Controllers series and serves as the command element between a machine tool CNC and its main spindle motor. Installed inside the electrical cabinet, it converts high-level motion profiles into rapid torque adjustments so that milling, drilling, or grinding operations keep cutting speeds constant across changing loads. Its role in industrial automation is to stabilize spindle behavior, reduce cycle time variations, and protect the connected motor from overcurrent or supply irregularities. That makes it suitable for machine tools that need steady spindle performance while cutting conditions change during operation.
This unit is an AC main spindle drive controller and connects to a three-phase supply rated at 3 x AC 400 V, 50–60 Hz. Under those conditions, it can deliver a continuous output of 200 A, providing ample headroom for high-inertia acceleration or heavy chip-load cuts. The power stage is intended for spindle applications that require quick response during ramp-up, load changes, and speed correction. Thermal energy from the power stage is removed by an internal blower, allowing cabinet designers to avoid external ducting while maintaining device temperature limits. Field wiring and diagnostic lines land on the X4 25-pole terminal interface, which groups power, enable, and fault signals in one connection. Nominal velocity references arrive as a 16-bit parallel digital word, giving the controller fine resolution when synchronizing spindle speed with feed-rate commands from the CNC kernel.
The drive is supplied without an additional bleeder, so braking energy must be dissipated by the motor or an external resistor bank during deceleration. Feedback versatility is limited to the primary tachometer channel because the drive comes without an additional encoder input. This keeps the feedback arrangement focused on the main speed channel used by the spindle system. The controller is in Series 2 and Version 2, which identify its product generation within the RAC range.
Frequently Asked Questions about RAC 2.2-200-380-D00-W1:
Q: What is the rated connection voltage for the RAC 2.2-200-380-D00-W1 spindle drive controller?
A: The RAC 2.2-200-380-D00-W1 operates with a rated connection voltage of 3 x AC 400 V at 50-60Hz.
Q: What type of cooling system is used in the RAC 2.2-200-380-D00-W1?
A: This drive controller is equipped with an internal blower and built-in fan for cooling.
Q: What is the rated current capacity of the RAC 2.2-200-380-D00-W1 drive controller?
A: The RAC 2.2-200-380-D00-W1 has a rated current of 200 A.
Q: What kind of speed command input does the RAC 2.2-200-380-D00-W1 support?
A: This model utilizes a digital 16-bit parallel speed command interface.
Q: What type of interface terminal is provided on the RAC 2.2-200-380-D00-W1?
A: The interface terminal on this drive controller is an X4 with 25 poles.
