MSK071C-0450-FN-S1-UG0-NNNN

MSK IndraDyn S Synchronous Motors

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The Bosch Rexroth Indramat MSK071C-0450-FN-S1-UG0-NNNN servomotor belongs to the MSK IndraDyn S Synchronous Motors series and features liquid cooling. It uses an optical, singleturn encoder with Hiperface interface and offers 128 signal periods resolution. The motor delivers 14.0 Nm continuous torque at standstill.

Technical Specifications

Cooling
Liquid cooling

Encoder Connector
Rotatable, 240°

Encoder Technology
Optical

Encoder Turn Type
Singleturn

Encoder Interface
Hiperface

Encoder Resolution
128 signal periods

Motor Length
C

Motor Size
071

Holding Brake
Without holding brake

Design
Standard

Product Type
IndraDyn S Synchronous Servomotor

Shaft Type
Plain shaft

Rated Speed Code
0450

Continuous Current at Standstill 100 K
10.4 A

Continuous Torque at Standstill 100 K
14.0 Nm

Maximum Current
40.1 A

Maximum Torque
44.0 Nm

Winding Inductivity
6,700 mH

Frequently Asked Questions

What does the optical singleturn Hiperface encoder (128 signal periods) on MSK071C-0450-FN-S1-UG0-NNNN enable versus incremental TTL feedback?

The Hiperface combines absolute position within one turn with analog sin/cos for high-resolution interpolation in the drive for improving commutation and low-speed smoothness. It also carries electronic nameplate data over RS-485 for rapid commissioning.

How does the liquid-cooling loop in MSK071C-0450-FN-S1-UG0-NNNN stabilize torque during demanding duty cycles?

It continuously removes copper and iron losses so windings stay near the specified thermal point for sustaining the 14.0 Nm stall rating. It lower winding temperature drift maintains current-loop linearity and reduces thermal derating over long production runs.

How does the 6,700 mH winding inductivity affect current ripple and servo stiffness on MSK071C-0450-FN-S1-UG0-NNNN?

The higher inductance filters PWM ripple for lowering copper heating and torque ripple at the expense of current-loop bandwidth. Its proper current-controller tuning (Kp/Ki) and bus voltage selection balance dynamic stiffness with smooth torque production.

How does the plain-shaft design influence coupling selection for MSK071C-0450-FN-S1-UG0-NNNN?

It’s intended for backlash-controlled clamp or shrink-disk couplings that maintain concentricity and accommodate minor misalignment. Its torsional stiffness selection to match load inertia preserves servo bandwidth without exciting mechanical resonances.

When is singleturn adequate on MSK071-series versus choosing multiturn options?

The singleturn is sufficient if axes home at startup and absolute travel per cycle remains within one revolution. Its multiturn is preferred for multi-rev positioning, power-loss recovery without homing and coordinated multi-axis synchronization.

Common Misspellings

Internal Product Review

The Bosch Rexroth Indramat’s MSK071C-0450-FN-S1-UG0-NNNN yields 14 Nm of stationary torque with 40.1 A of current utilization. It uses liquid cooling and possess a singleturn Hiperface encoder through a rotatable 240° connector. Its maximum torque value is specified as 44 Nm that is suitable for systems like metal-forming and machine-tool axes.