R911322938 (MSK100A-0300-NN-M2-BG0-RNNN)
MSK IndraDyn S Synchronous Motors
Technical Specifications
Product Name
Bosch Rexroth Synchronous Motor
Dust and Water Protection
IP65
Insulation Class Rating
155
Operating Temperature Range
-20 to +80 degrees Celsius
Corrosion protection
40-micron layer of black paint
Noise Level
Below 75 dB
Maximum Operating Height
1,000 meters above mean sea level
Operating Temperature
0 to +40 degrees Celsius
Current at Standstill
22.5A
Torque at Standstill
15.3 Nm
Maximum Torque
54 Nm
Moment of Inertia
0.01100 kgm2
Output Shaft Type
Plain with sealing ring
Thermal Time Constant Surface Cooling
39 minutes
Polar Pairs
4
Motor Weight
23 Kg
Frequently Asked Questions
Why specify a plain shaft with increased concentricity on MSK100A-0300-NN-M2-BG0-RNNN, and how does that influence coupling and vibration?
The higher concentricity reduces runout-induced radial forces, improving bearing life and minimizing torque ripple at speed. It also widens coupling choices (elastomeric, bellows, disc) for enabling stiffer drivetrains without exciting misalignment-related resonances.
How should the 11,200 mH winding inductivity be interpreted for current ripple, torque linearity, and loop tuning?
The phase inductivity filters PWM current ripple for flattening torque production and easing compliance with tight velocity ripple specs. Its control-loop tuning can exploit higher L to push current-loop bandwidth without overshoot if drive voltage headroom covers di/dt demands.
What effective positioning resolution results from 2048 signal periods with common interpolation, and why does that matter?
Its typical digital interpolation (e.g., ×1024 to ×4096) yields ~2–8 million counts/rev (≈21–23 bits) for enabling fine contouring and low cogging velocity control. It high count density also improves low-speed stiffness and feed-forward linearization for precision axes.
How does the B-side power connector orientation on MSK100A-0300-NN-M2-BG0-RNNN simplify cable management in dense multi-axis machines?
The B-side routing lets power leads exit away from feedback cabling and tool interfaces for easing segregation and bend-radius compliance. It shortens trunk runs in gantries and cells for reducing voltage drop and cabinet congestion for neater, serviceable harnessing.
What integration considerations exist between MSK100A-0300-NN-M2-BG0-RNNN and Rexroth IndraDrive controllers (feedback, safety, networking)?
The IndraDrive controllers natively support EnDat encoders and multi-Ethernet fieldbuses for enabling deterministic motion. It integrates safety functions and coordinated control across packaging, automotive assembly and printing cells.
Common Misspellings
MSK100A0300NNM2BG0RNNN
MSK100A 0300 NN M2 BG0 RNNN
MSK-100A-0300-NN-M2-BG0-RNNN
Internal Product Review
The Bosch Rexroth Indramat MSK100A-0300-NN-M2-BG0-RNNN Synchronous Servomotor is used in robotics, CNC machines, and automated packaging systems. It provides 17.0 Nm continuous torque and 54.0 Nm peak torque with a multiturn EnDat2.1 encoder for precise feedback. Natural convection cooling and a plain shaft support smooth, efficient performance.
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