MSK101C-0450-FN-M2-AG2-RNNN

MSK IndraDyn S Synchronous Motors

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The MSK101C-0450-FN-M2-AG2-RNNN servomotor by Bosch Rexroth Indramat belongs to the MSK IndraDyn S Synchronous Motors series. It uses liquid cooling and an optical multiturn absolute encoder with EnDat2.1 interface and 2048 signal periods resolution. The motor has an electrically released holding brake with 70 Nm torque and increased concentricity design. It delivers a maximum torque of 110 Nm.

Technical Specifications

Cooling
Liquid cooling

Power Connector
A-Side

Encoder Technology
Optical

Encoder Turn Type
Multiturn Absolute

Encoder Interface
EnDat2.1

Encoder Resolution
2048 signal periods

Motor Length
C

Motor Size
101

Holding Brake
With holding brake, electrically-released

Holding Brake Torque
70 Nm

Constraint
Requires Cooling FN

Design
Increased concentricity

Product Type
IndraDyn S Synchronous Servomotor

Shaft Type
Plain shaft

Rated Speed 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

Why use an optical multiturn absolute encoder (EnDat 2.1, 2048 signal periods) on MSK101C-0450-FN-M2-AG2-RNNN instead of incremental feedback?

Multiturn absolute feedback retains position and revolution count at power-up for eliminating homing moves and reducing collision risk. Its EnDat 2.1’s bidirectional digital link carries diagnostics/parameters, while 2048 periods permit fine interpolation for smooth velocity loops.

How does the FN liquid-cooling variant in MSK101C-0450-FN-M2-AG2-RNNN influence continuous torque at standstill and thermal headroom?

The liquid circulation lowers thermal resistance to let the 36.5 Nm continuous torque at 100 K remain stable. Its improved heat removal increases duty-cycle headroom and defers thermal limiting if the specified coolant flow and temperature differential are maintained.

What advantages does the electrically-released 70 Nm holding brake provide on vertical or Z-axes?

The brake clamps the shaft to prevent load drift during power loss when de-energized for protecting tooling and payloads. Its electrical release during motion avoids drag, while 70 Nm static torque secures moderate inertial loads during emergency deceleration.

Is MSK101C-0450-FN-M2-AG2-RNNN compatible with Rexroth IndraDrive controllers and A-side power connectors?

Yes, the MSK motors are engineered for the IndraDrive ecosystem with standardized power/encoder plug connections for fast commissioning. Its A-side power orientation supports right-hand cable routing while maintaining bend-radius and strain-relief practices.

How does the EnDat 2.1 multiturn system on MSK101C-0450-FN-M2-AG2-RNNN aid maintenance and functional checks?

Its digital diagnostics, parameter memory and absolute position enable quick, deterministic axis verification after faults or service. It eliminates homing to reduce risk in collaborative cells and simplifies replacement logistics and traceability.

Common Misspellings

Internal Product Review

The Indramat’s MSK101C-0450-FN-M2-AG2-RNNN motor integrates liquid cooling for thermal management and it is equipped with an optical multiturn absolute encoder (EnDat 2.1, 2048 periods) for precise indexing. Its electrically-released 70 Nm brake and increased concentricity suit rigid axes. With 110 Nm peak torque, it fits machine tools, packaging, printing and robotics.