MDD090A-N-030-N2L-110GR1
MDD Synchronous Motors
The MDD090A-N-030-N2L-110GR1 from Bosch Rexroth Indramat features size 090 and a 110 mm centering diameter. Part of the MDD Synchronous Motors, it delivers 3.7 Nm standstill torque and digital servo feedback. This connector motor includes a blocking brake with 6.5 Nm torque and standard housing.
It spins at 3000 min⁻¹ on a sealed plain shaft for reliability. Right-side connector and A-length code simplify installation. Built for digital drive controllers, it offers standard balancing.
Technical Specifications
Balancing
Standard
Holding Brake
With blocking brake
Holding Brake Torque
6.5 Nm
Centering Diameter
110 mm
Housing
Standard
Motor Feedback
Digital servo feedback (DSF)
Continuous Torque at Standstill
3.7 Nm
Motor Length Code
A
Motor Size
090
Nominal Speed
3000 min⁻¹
Shaft Seal
With shaft seal
Shaft Type
Plain shaft
Connection Direction
Right
Connection Type
Connector
Product Type
Motor for digital drive controllers
Shaft End
Standard (without side B shaft end)
Frequently Asked Questions
How does the digital servo feedback (DSF) in this motor affect precision and control loop bandwidth?
DSF typically provides high-resolution position feedback (incremental or possibly absolute) which improves loop control performance—reducing errors in tracking and enabling higher bandwidth in position/speed control.
What are the effects of the plain shaft type (no keyway or side-B shaft end) on torque transmission and backlash?
A plain shaft without side B coupling or keyway typically requires clamping couplings or other forms of friction fit, which can reduce backlash but must be sized correctly to avoid slippage under peak torque; mechanical mounting design becomes more critical.
What are installation considerations for feedback cable length and shielding to preserve DSF signal integrity?
Use Indramat-specified feedback cables, keep cable length below the maximum (≈ 75 meters) and ensure proper shielding and ground connections to reduce noise, especially at higher speeds or when long cable runs are required.
What performance trade-offs arise from the motor’s inertia when using the 090 size at 110 mm centering diameter?
Larger rotor diameter increases rotor inertia, which means slower acceleration/deceleration; to maintain fast dynamic response, the drive controller must be tuned appropriately (higher torque margins, proper damping, maybe oversizing for acceleration demands).
How should one match a servo drive to the MDD090A-N-030-N2L-110GR1 motor in terms of electrical compatibility and safety with Bosch Rexroth’s?
When pairing, the drive must support Bosch Rexroth Indramat motors with digital servo feedback (DSF) and be from the DKS or DDC family configured for “-D” feedback version; ensure the drive respects the motor’s current, voltage, feedback interface, and brake control lines.
Common Misspellings
MDD-090A-N-030-N2L-110GR1
MDD090A N 030 N2L 110GR1
MDD090A-N-030-N2L-110-GR1
MDD090AN030N2L110GR1
MDD90A-N-030-N2L-110GR1
MDDO90A-N-030-N2L-110GR1
MDDO9OA-N-O3O-N2L-11OGR1
Internal Product Review
The MDD090A-N-030-N2L-110GR1 motor from Bosch Rexroth comes with a plain shaft, 110 mm centering diameter, digital servo feedback, and a 6.5 Nm blocking brake. It delivers 3.7 Nm continuous torque at standstill and operates at a nominal speed of 3000 min⁻¹. This motor is suitable for applications in robotics, CNC equipment, and packaging automation.
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Warranty
Repair
We offer a repair service for the MDD090A-N-030-N2L-110GR1.
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