MSK100A-0300-NN-M1-BP1-NNNN

MSK IndraDyn S Synchronous Motors

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The MSK100A-0300-NN-M1-BP1-NNNN servomotor from Bosch Rexroth Indramat is part of the MSK IndraDyn S Synchronous Motors series. This standard design IndraDyn S synchronous servomotor is motor size 100 and rated speed code 0300. It uses natural convection cooling, a B-Side power connector, and an optical multiturn absolute encoder with Hiperface interface. The unit delivers a maximum torque of 54.0 Nm and features an electrically released holding brake with 32 Nm torque.

Technical Specifications

Cooling
Natural convection

Power Connector
B-Side

Encoder Technology
Optical

Encoder Turn Type
Multiturn Absolute

Encoder Interface
Hiperface

Encoder Resolution
128 signal periods

Motor Length
A

Motor Size
100

Holding Brake
With holding brake, electrically-released

Holding Brake Torque
32 Nm

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

What role does the 32 Nm electrically released holding brake play on vertical Z-axes or safety-related stops in the MSK100A-0300-NN-M1-BP1-NNNN?

The brake holds load position when the drive is disabled for reducing drift on gravity-loaded axes and enabling safer interventions. Its electrical release allows deterministic control and integration with drive enable chains.

How do the 128 signal periods of the optical scale translate into usable resolution and control bandwidth?

It drive interpolate the sinusoidal tracks to yield fine angular resolution while maintaining smooth velocity estimation. Its combination enhances servo stiffness and minimizes cogging-related ripple in precision indexing applications.

How does winding inductance influence current ripple and torque smoothness on MSK100A-0300-NN-M1-BP1-NNNN under PWM drives?

The higher phase inductance filters switching harmonics for lowering ripple torque and easing drive current loop tuning. It also affects field-weakening behavior at speed, so controller parameters must match motor electrical constants.

Why is a keyed shaft specified, and how does it affect hub design on the MSK100A-0300-NN-M1-BP1-NNNN?

The keyway provides positive torque transmission and mitigates slip under transient loads for aiding overload handling during rapid index moves. Its hub dimensions and fit tolerances must follow Rexroth flange/shaft recommendations.

How do torque ratings (continuous at standstill and peak) guide axis selection for the MSK100A-0300-NN-M1-BP1-NNNN in packaging or press-feed lines?

The continuous standstill torque informs holding and low-speed duties, while peak torque covers acceleration and transient events. It is imortant to match inertia and duty cycle so RMS torque stays below thermal limits and peaks respect drive current.

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Internal Product Review

The MSK100A-0300-NN-M1-BP1-NNNN from Bosch Rexroth is an IndraDyn S Synchronous Servomotor designed with natural convection cooling and a multiturn absolute optical encoder using the Hiperface interface. It delivers 17 Nm continuous torque and up to 54 Nm maximum torque with a 32 Nm electrically released holding brake. This motor is widely used in CNC machines, packaging systems, and robotics for precise motion control applications.