MSK101C-0450-FN-S1-LP2-NNNN

MSK IndraDyn S Synchronous Motors

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The MSK101C-0450-FN-S1-LP2-NNNN servomotor from Bosch Rexroth Indramat belongs to the MSK IndraDyn S Synchronous Motors series. It features liquid cooling, a Hiperface optical encoder interface, a B5 frame, and an electrically released holding brake. The unit delivers 36.5 Nm continuous torque at standstill and peaks at 110 Nm maximum torque. It is rated for ambient temperatures from 0 to 40 °C.

Technical Specifications

Cooling
Liquid cooling

Power Connector
Left-Side

Encoder Interface
Hiperface

Encoder Resolution
128 signal periods

Encoder Technology
Optical

Encoder Turn Type
Singleturn

Motor Length
C

Motor Size
101

Constraint
Requires Cooling FN

Holding Brake
With holding brake, electrically-released

Holding Brake Torque
70 Nm

Design
Standard

Product Type
IndraDyn S Synchronous Servomotor

Shaft Type
Shaft with keyway

Winding Code
0450

Continuous Current at Standstill 100 K
28.6 A

Continuous Torque at Standstill 100 K
36.5 Nm

Maximum Current
113.0 A

Maximum Torque
110.0 Nm

Winding Inductivity
3,300 mH

Frequently Asked Questions

What advantages does the singleturn Hiperface optical encoder (128 signal periods) provide for MSK101C-0450-FN-S1-LP2-NNNN in closed-loop motion?

The Hiperface supplies absolute position within one revolution plus high-fidelity sine/cosine feedback for smooth commutation and velocity control. Its interface also transports parameter/diagnostic data to the drive for aiding commissioning and condition monitoring.

Why specify a B5 flange mounting for this servomotor, and where is it typically used?

The B5 (per EN 60034-7) provides a rigid face-mount interface that maintains alignment under radial/axial loads. It’s common on machine tools, packaging axes and printing units requiring accurate gearhead or bell-housing interfaces.

How does the 70 Nm electrically released holding brake in MSK101C-0450-FN-S1-LP2-NNNN affect axis safety and homing?

The brake clamps the shaft without power for preventing back-driving on vertical or suspended loads during e-stop or power loss. Its electrically releasing enables controlled homing and reduces drift before encoder reference capture.

How does the 3,300 mH winding inductivity of MSK101C-0450-FN-S1-LP2-NNNN affect drive tuning and cabling choices?

Its higher inductivity moderates ripple current and eases current-loop stability to allow wider PWM filtering margins. It also makes the system less sensitive to cable parasitics, though proper shielding and grounding remain essential at high di/dt.

What are the implications of the left-side power connector orientation on cabinet layout and serviceability for MSK101C-0450-FN-S1-LP2-NNNN?

The left-side power simplifies routing on machines with mirrored or tandem axes and can reduce bend-radius conflicts near cable tracks. It also aids segregation of encoder and power harnesses to minimize coupling and EMC issues.

Common Misspellings

Internal Product Review

Bosch Rexroth Indramat develops the servo motor MSK101C-0450-FN-S1-LP2-NNNN with an integrated 70 Nm electrically released holding brake. It depends on liquid cooling and a singleturn Hiperface optical encoder (128 periods) for feedback. This motor uses a keyed shaft and supports B5 flange mounting. It delivers 36.5 Nm continuous, 110 Nm peak torque that makes it applicable in packaging, printing and machine tools.