MSK100A-0300-NN-S1-BP0-NNNN

MSK IndraDyn S Synchronous Motors

Rated 4.1 stars (11 total reviews)

MSK100A-0300-NN-S1-BP0-NNNN Series Image

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The MSK100A-0300-NN-S1-BP0-NNNN from Bosch Rexroth Indramat offers a motor size of 100 and operates via natural convection cooling. As part of the MSK IndraDyn S Synchronous Motors, this IndraDyn S servomotor features an optical encoder technology and delivers a maximum torque of 54.0 Nm.

It provides a continuous torque at standstill of 17.0 Nm and supports a maximum current of 45.9 A with a winding inductivity of 11,200 mH. The motor uses a Hiperface singleturn encoder interface and comes without a holding brake.

Technical Specifications

Cooling
Natural convection

Power Connector
B-Side

Encoder Technology
Optical

Encoder Turn Type
Singleturn

Encoder Interface
Hiperface

Encoder Resolution
128 signal periods

Motor Length
A

Motor Size
100

Holding Brake
Without holding brake

Design
Standard

Product Type
IndraDyn S Synchronous Servomotor

Shaft Type
Shaft with keyway

Rated Speed Code
0300

Continuous Current at Standstill 100 K
11.6 A

Continuous Torque at Standstill 100 K
17.0 Nm

Maximum Current
45.9 A

Maximum Torque
54.0 Nm

Winding Inductivity
11,200 mH

Frequently Asked Questions

Why choose the B-side power connector orientation in dense machine frames and how does it affect EMC/EMI compliance?

Its B-side routing can shorten cable runs to drives and separate power from feedback harnesses for reducing loop area and radiated emissions. Its maintained segregation and proper shielding/grounding improves noise immunity of encoder channels and current sensors.

How does the 11,200 mH winding inductivity on MSK100A-0300-NN-S1-BP0-NNNN influence current ripple and achievable servo bandwidth?

The high phase inductance attenuates PWM ripple and smooths torque production at the expense of higher electrical time constants. Its current-loop tuning accounts for L/R limits, inverter switching frequency and desired crossover to avoid phase-lag instability.

What are the mechanical trade-offs of the shaft-with-keyway interface compared to taper or spline couplings on precision axes?

The keyed shafts simplifies hub alignment and transmit torque reliably but can introduce micro-backlash if key fit isn’t controlled. The spline or shrink-fit couplings can raise torsional stiffness, yet require tighter machining and installation tooling.

What mounting and fastening guidance applies to MSK size-100 frames to preserve alignment under dynamic torque?

The Rexroth’s flange assembly is appropriate for grade fasteners, torque values and flatness checks that sustains both static load and operational forces. Its proper mechanical seating and strain-relieved cabling reduces bearing loads and vibration-induced drift.

How does the Hiperface singleturn optical encoder on MSK100A-0300-NN-S1-BP0-NNNN improve commutation alignment and position fidelity during startup and cyclic motion?

The Hiperface scheme provides absolute position over one revolution plus high-resolution sin/cos incremental tracks for simplifying phase initialization and minimizing index searches. Its hybrid analog/digital channeling yields precise interpolation and controller-synchronous updates for smooth servo loops.

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Internal Product Review

The MSK100A-0300-NN-S1-BP0-NNNN servomotor from Indramat is sized 100 and it relies on natural convection cooling. It is equipped with optical feedback encoder of 128 signal periods for motion and speed control. This unit provides 17.0 Nm torque at stationary and up to a peak value of 54.0 Nm by utilizing 45.9 A of current. It has keyway shaft and B-side power connector. It is widely deployed in systems like machine tools, packaging and printing.