MSK075D-0300-NN-S2-UG1-RNNN Bosch Rexroth Indramat
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MPN: R911338203
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The Bosch Rexroth Indramat MSK075D-0300-NN-S2-UG1-RNNN is part of the MSK IndraDyn S Synchronous Motors series and features a natural convection cooling design with increased concentricity. This servomotor includes a singleturn optical encoder with EnDat2.1 interface and a resolution of 2048 signal periods, as well as a 23 Nm electrically-released holding brake.
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Product Description:
The MSK075D-0300-NN-S2-UG1-RNNN is a synchronous servo motor manufactured by Bosch Rexroth Indramat within the MSK IndraDyn S Synchronous Motors series. In industrial automation, this motor supplies tightly regulated torque and speed so that gantries, packaging stations, or indexing tables reach commanded positions with low lag and repeatable precision. It is suited to closed-loop axes that must accelerate, settle, and hold speed consistently during repetitive machine cycles. The feedback system is a single-turn design, so one mechanical revolution is reported absolutely while multi-turn counting is handled by the controller. In combination with a suitable drive, the motor can support accurate positioning even when the application sees changing inertia or process loads.
The unit relies on natural convection for thermal dissipation, so heat leaves the housing through ambient airflow without auxiliary fans or liquid lines. Position feedback is generated by an optical encoder that communicates through the EnDat2.1 interface, which transmits absolute position data and diagnostic information over a bidirectional serial link. Inside the encoder, a graduated disk produces 2048 signal periods per mechanical turn, giving the drive fine interpolation capability. The optical feedback helps the controller correct rotor position quickly during dynamic moves and short indexing sequences. The feedback connector is rotatable through 240°, so cable routing can be aligned toward cabinet walls or energy chains after installation. Winding code 0300 sets the stator's voltage and current characteristics, and the D motor length increases the active stack to raise continuous torque.
An electrically released holding brake supplies 23 Nm of static torque, allowing vertical or suspended axes to remain fixed when power is removed. This brake function helps keep the load from drifting at standstill. The rotor and flange are machined to an increased concentricity tolerance so radial runout is minimized during high-speed cycles. A plain shaft transfers torque through frictional couplings, which supports low-backlash connections and straightforward alignment. With a frame code of 075, the motor uses the mechanical dimensions of the MSK75 platform and fits standardized mounting patterns.
Frequently Asked Questions about MSK075D-0300-NN-S2-UG1-RNNN:
Q: How is the MSK075D-0300-NN-S2-UG1-RNNN motor cooled?
A: This motor features natural convection cooling, operating without external fans or forced air systems.
Q: What holding brake torque does the MSK075D-0300-NN-S2-UG1-RNNN servomotor offer?
A: The MSK075D-0300-NN-S2-UG1-RNNN provides a holding brake torque of 23 Nm using an electrically-released brake.
Q: What type of encoder is integrated in the MSK075D-0300-NN-S2-UG1-RNNN motor?
A: This model includes an EnDat2.1 optical encoder with 2048 signal periods and singleturn functionality.
Q: What is notable about the encoder connector on the MSK075D-0300-NN-S2-UG1-RNNN?
A: The encoder connector on the MSK075D-0300-NN-S2-UG1-RNNN is rotatable over 240 degrees, providing flexible installation options.
Q: What type of shaft does the MSK075D-0300-NN-S2-UG1-RNNN servomotor have?
A: This servomotor is equipped with a plain shaft design for its mechanical interface.
