MDD093D-N-040-N2M-130PB2
MDD Synchronous Motors
The Bosch Rexroth Indramat MDD093D-N-040-N2M-130PB2 motor from the MDD Synchronous Motors series is a high-precision motor for digital drive controllers featuring a standard housing and standard balancing. It delivers a continuous torque at standstill of 24.0 Nm and includes a blocking brake with holding brake torque of 22 Nm. The integrated multiturn absolute encoder and digital servo feedback (DSF) ensure accurate positioning, while the keyway shaft, shaft seal, and centering diameter of 130 mm provide mechanical stability. Rated for 4000 min⁻¹, it connects via a Side B connector and has a standard (without side B shaft end) shaft end with motor length code D for seamless system integration.
Technical Specifications
Balancing
Standard
Holding Brake
With blocking brake
Holding Brake Torque
22 Nm
Centering Diameter
130 mm
Housing
Standard
Encoder
Integrated multiturn absolute encoder
Motor feedback
Digital servo feedback (DSF)
Continuous Torque at Standstill
24.0 Nm
Motor Length Code
D
Motor Size
093
Nominal Speed
4000 min⁻¹
Shaft Seal
With shaft seal
Shaft Type
keyway
Connection Direction
Side B
Connection Type
Connector
Product Type
Motor for digital drive controllers
Shaft End
Standard (without side B shaft end)
Frequently Asked Questions
What signal latency constraints must a drive account for when using the integrated digital servo feedback encoder?
The DSF encoder adds a small internal latency (microseconds) that your controller’s loop timing must absorb—don’t set feedback cycles too tight or you risk phase lag. In practice, allocate extra margin in the velocity loop (e.g. 5–10 µs) to accommodate encoder and wiring delays.
With continuous torque of 24 Nm at standstill, what peak torque can this motor realistically deliver for short bursts?
Depending on winding temperature and current margin, a properly cooled MDD motor may supply up to ~2–3× the continuous torque (≈ 48–72 Nm) for <1 s bursts. But long bursts will lead to overheating, so check the drive’s thermal protection or time-integration limits.
What special wiring or shielding should be considered for the Side B connector for noise immunity?
Keep feedback and power cables physically separated and shield both lines; ground shield only at one end (drive side).
Can this motor run reliably with supply undervoltage or voltage droop in the drive?
Slight supply voltage drops will reduce available torque and may degrade dynamic response, but the motor’s torque constant (Nm/A) remains constant.
How does rotor inertia and speed constant influence control tuning for acceleration?
Higher inertia requires gentler torque ramps to avoid overshoot; the drive’s tuning must respect the motor’s mechanical time constants.
Common Misspellings
MDD-093D-N-040-N2M-130PB2
MDD093D N 040 N2M 130PB2
MDD093D-N-040-N2M-130-PB2
MDD093DN040N2M130PB2
MDD93D-N-040-N2M-130PB2
MDDO93D-N-040-N2M-130PB2
MDDO93D-N-O4O-N2M-13OPB2
Internal Product Review
The MDD093D-N-040-N2M-130PB2 motor by Bosch Rexroth delivers 24.0 Nm continuous torque with a nominal speed of 4000 min⁻¹. Its design supports use in CNC machines, robotics, and industrial automation with features like digital servo feedback, multiturn encoder, and a 22 Nm holding brake. It also includes a keyway shaft and 130 mm centering diameter.
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