MDD090C-N-030-N2M-110GL0
MDD Synchronous Motors
Technical Specifications
Balancing
Standard
Holding Brake
Without blocking brake
Centering Diameter
110 mm
Housing
Standard
Encoder
Integrated multiturn absolute encoder
Motor feedback
Digital servo feedback (DSF)
Continuous Torque at Standstill
10.4 Nm
Motor Length Code
C
Motor Size
090
Nominal Speed
3000 min⁻¹
Shaft Seal
With shaft seal
Shaft Type
Plain shaft
Connection Direction
Left
Connection Type
Connector
Product Type
Motor for digital drive controllers
Shaft End
Standard (without side B shaft end)
Frequently Asked Questions
What happens to positional accuracy if the multiturn absolute encoder loses power?
The integrated multiturn encoder retains absolute position information across power cycles, so homing is avoided after shutdown. If the backup battery or memory fails, the system may still require a re-homing routine.
How should I derate torque if I operate above nominal speed?
Available torque beyond nominal speed typically decreases due to back-emf voltage limits and thermal constraints—so you should calculate continuous torque for the target speed using the motor’s torque/speed curve in the drive manual. In practice, maintain safety margins to avoid overheating or overcurrent.
What installation tolerances are critical for the 110 mm centering diameter to avoid vibration?
Misalignment or eccentricity beyond a few hundred micrometers can lead to increased radial loads and vibration, stressing bearings. Use precision alignment tools and ensure concentricity tolerance better than, say, ±0.03 mm to maintain balance.
Given that the motor has no blocking (holding) brake, how should I handle static load conditions?
For vertical axes or loads that risk falling, you must provide an external brake or mechanical lock (e.g. a geared brake or fail-safe brake). The motor itself cannot hold load when off, so safety measures must be external.
What wiring and shielding practices are recommended for the left-side connector signal cables?
Use twisted-pair, shielded differential cables and route them away from high-current power lines to prevent interference. Maintain proper connector strain relief and ground the shield at a single point (typically at the drive end).
Common Misspellings
MDD-090C-N-030-N2M-110GL0
MDD090C N 030 N2M 110GL0
MDD090C-N-030-N2M-110-GL0
MDD090C-N-030-N2M-110-GLO
MDD090C-N-030-N2M-110GLO
MDD090CN030N2M110GL0
MDD90C-N-030-N2M-110GL0
MDDO90C-N-030-N2M-110GL0
MDDO9OC-N-O3O-N2M-11OGLO
Internal Product Review
The MDD090C-N-030-N2M-110GL0 servo motor by Bosch Rexroth offers 10.4 Nm continuous torque and runs at a nominal speed of 3000 min⁻¹. It includes a plain shaft, digital servo feedback, and an integrated multiturn absolute encoder. Commonly used in CNC machines, robotics, and packaging lines, it supports precise motion control in industrial automation.
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