R911394655 (MSK100A-0200-NN-S1-AP0-NNNN)

MSK IndraDyn S Synchronous Motors

MSK100A-0200-NN-S1-AP0-NNNN Series Image

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The R911394655 (MSK100A-0200-NN-S1-AP0-NNNN) is a synchronous servo motor in the Bosch Rexroth MSK100 series, featuring a 100-size, length A standard design with a keyway shaft and oil-resistant seal. It is equipped with a Hiperface singleturn optical encoder providing 128 signal periods for precise feedback. The motor operates with four pole pairs and utilizes natural convection for cooling. Key specifications include a winding inductivity of 13,900 mH, a continuous standstill current of 10.4 A, continuous standstill torque of 17.0 Nm, maximum current of 41.4 A, and a maximum torque of 54.0 Nm. The installation weight is 23 kg (without holding brake), and the unit is rated for installation up to 1000 meters above sea level.

Technical Specifications

Product Type
Servo Motor

Encoder
Single-turn Hiperface with 128 Signal Periods

Shaft Design
Key-way with Sealing Ring

Cooling Method
Natural Convection

Application
Indoor and Outdoor

Make
Rexroth Indramat

Shape and Size
Standard

Mass
23 kg (Excluding brakes)

Pole Pairs
4 Pole Pairs

Altitude Installation
1000 meters Above Sea Level

Availability
Indramat USA.

Frequently Asked Questions

How does the singleturn Hiperface feedback on MSK100A-0200-NN-S1-AP0-NNNN aid precise positioning and startup homing?

The optical singleturn encoder provides absolute position within one revolution via the Hiperface protocol for enabling deterministic startup without homing moves. Its 128 signal periods improve interpolation fidelity for smooth servo loops and low quantization error.

How does 13,900 mH winding inductivity influence current ripple and control bandwidth on MSK100A-0200-NN-S1-AP0-NNNN?

The higher phase inductance attenuates PWM ripple for easing current-loop noise and torque ripple at the expense of upper-bandwidth response. Its proper current-loop tuning and DC-link design exploit this to achieve stable, low-distortion torque production under dynamic loads.

What integration considerations arise from the A-side power connector on MSK100A-0200-NN-S1-AP0-NNNN?

The connector orientation affects cable routing, bend radius and EMC layout relative to the encoder connector. It follows Rexroth standardized connection scheme across MSK frame sizes to maintain shielding continuity and thermal relief.

Why is a shaft with keyway specified, and when would an alternative interface be preferred?

The keyed shaft simplifies torque transmission to standard hubs and couplings while preventing slip under transient peaks. For high-precision backlash control or frequent reversals, a shrink-fit or keyed/serrated alternative may reduce micro-motion.

How does Hiperface interoperability aid commissioning of MSK100A-0200-NN-S1-AP0-NNNN with modern servo drives?

The Hiperface is a widely supported absolute feedback interface for easing pairing with compatible drives and simplifying parameter readout during commissioning. Its standardized diagnostics and status bits accelerate troubleshooting across mixed-vendor motion stacks.

Common Misspellings

Internal Product Review

The MSK100A-0200-NN-S1-AP0-NNNN servomotor from Bosch Rexroth is used in CNC machines, packaging equipment, and robotic systems. It provides 17.0 Nm continuous torque and 54.0 Nm maximum torque with natural convection cooling. The motor features a singleturn optical encoder with Hiperface interface and a shaft with keyway.

1620 Old Apex Road
Cary, NC 27513, USA

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International: 1-919-443-0207

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North Carolina Office

Indramat USA
1620 Old Apex Road
Cary, NC 27513
USA

Phone

Toll Free: 1-888-551-3082
International: 1-919-443-0207

Indramat USA sells factory new and pre-owned surplus products and maintains channels to procure supply. Indramat USA is not affiliated with nor an authorized distributor or representative of any manufacturers, brands or products listed. Designated trademarks, brand names, and brands appearing herein are the property of their respective owners.