R911232711
The R911232711 (RAC 2.2-200-380-A00-W1) is an advanced main spindle drive controller manufactured by Bosch Rexroth Indramat, a leader in the sphere of automation products. This device is highly recognized for its precise speed and position control of industrial servo motors. It is frequently coupled with 1MB frameless and 2AD asynchronous motors, with their power output ranging between 30 kW to 52 kW.
This versatile controller can be directly linked to a three-phase power supply of either 400 V (50 Hz) or a 460 V (60 Hz). It is equipped to absorb regenerative energy produced during motor braking and feed it back into the main power supply. Additionally, the R911232711 (RAC 2.2-200-380-A00-W1) has a built-in emergency stop feature, which triggers direct current braking in case of power loss. This ensures high position control capabilities owing to its high stiffness, and a wide speed range over constant power output. The device has an integrated heatsink, serving both the fan and power electronics to maintain optimal temperatures. A programming module stores parameter values during motor commissioning, ensuring consistency in operation.
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