RAC 2.2-200-380-A0S-W1 Bosch Rexroth Indramat
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MPN: R911238162
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The Bosch Rexroth Indramat RAC 2.2-200-380-A0S-W1 is an AC main spindle drive controller in the RAC Spindle Drive Controllers series. It operates with a rated current of 200 Amps and a rated connection voltage of 3-phase AC 400 Volts at 50 to 60 Hertz. This controller uses an internal blower for cooling and includes a serial interface RS 232-C with a 9-pole terminal.
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Product Description:
The RAC 2.2-200-380-A0S-W1 is an AC main spindle drive controller built by Bosch Rexroth Indramat for the RAC Spindle Drive Controllers series. As a dedicated spindle controller, it receives torque and speed commands from a CNC or PLC and modulates three-phase power to the motor for rapid acceleration and precise speed regulation in machining centers and similar automation cells. The unit combines power electronics and signal processing so the spindle can follow position loops calculated elsewhere while minimizing lag during tool changes. This arrangement lets the controller manage dynamic spindle behavior while the higher-level control handles overall machine coordination. It is suited to applications where fast speed changes and stable regulation are required during cutting and tool-handling sequences.
Thermal management is handled by a built-in blower that circulates cabinet air across the heat sinks, eliminating the need for external ducts. The power stage is rated for a line supply of 3 x AC 400 V, 50-60 Hz, and regenerative energy returns to the DC bus because the unit is supplied without an additional bleeder. Parameterization and diagnostics are handled through the RS-232-C serial interface, allowing direct connection to a service computer. Control wiring terminates on the 9-pole X4 connector, which groups enable inputs, fault outputs, and reference signals in one location. The integrated airflow path keeps heat concentrated at the cooling surfaces and supports installation in enclosed cabinet layouts.
This controller can deliver up to 200 A of phase current, allowing it to drive high-inertia spindle motors during rapid acceleration. Speed information is accepted as an analog ±10 V command, giving straightforward compatibility with conventional motion cards and supporting tight speed control when used with external feedback devices. The hardware is released as Version 2. It is supplied without an additional encoder input, so any encoder signal must return directly to the master controller. Because feedback bypasses the drive, the control system must process encoder signals outside the spindle controller.
Frequently Asked Questions about RAC 2.2-200-380-A0S-W1:
Q: What is the rated current capacity of the RAC 2.2-200-380-A0S-W1 spindle drive controller?
A: This model operates with a rated current of 200 A for demanding spindle applications.
Q: How is the RAC 2.2-200-380-A0S-W1 spindle drive controller cooled?
A: The RAC 2.2-200-380-A0S-W1 uses an internal blower and built-in fan for cooling.
Q: What input voltage does the RAC 2.2-200-380-A0S-W1 support?
A: The drive accepts a rated connection voltage of 3 x AC 400 V at 50-60Hz.
Q: What communication interface is provided on the RAC 2.2-200-380-A0S-W1?
A: It features a serial interface RS 232-C for communication.
Q: What type of speed command input does the RAC 2.2-200-380-A0S-W1 accept?
A: The speed command input for this model is analogue at +/-10 V.
