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R911298766 (HMD01.1N-W0036)

HMD Double Axis Drive Controllers

Rated 4.4 stars (7 total reviews)
  In-Stock, Ships 1-2 Days
Expedited Lead Times on Select Parts
1 Year Warranty Included
Free Ground Shipping
Expedited Lead Times on Select Parts
1 Year Warranty Included
Free Ground Shipping
The Bosch Rexroth MPN R911298766 (HMD01.1N-W0036) power section is engineered for use with IndraDrive M drive controllers and is designed for compatibility exclusively with HMV and other specified DC supplies. This double axis drive controller features an internal air cooling method with integrated blower, an effective peak current of 36A, and a rated current of 20A (13.7A at 0Hz). The unit operates with a maximum ambient temperature of 40°C, supports peak output current of 23.9A at 8kHz, and maintains safe operation up to a pollution degree of 2. Copper is specified for all field wiring, with exclusive use of manufacturer-supplied cables for motor connections. Connections are provided at X5.1 and X5.2, and the section supports a maximum DC bus voltage of 900V ±2.5%. Protection class is IP20. Control voltage is 24V, nominal Y-capacitance is 2×68nF, and power dissipation is 2×205W. Device weight is 5.27kg. De-energization is mandatory prior to accessing live parts.

View Datasheet

Technical Specifications

intended operation
IndraDrive M range of drive controllers

peak current rating
36A at 4kHz frequency

surface operational temperature
60°C

max ambient operating temperature
40°C

pollution degree
2

wiring material
copper

connection to synchronous motors
Yes

power supply
rated input current

connectors
X5.1 and X5.2

coding section inverter outputs
Pin 2 and Pin 1

mains choke inclusion
Mandatory

mains filter inclusion
Mandatory

upper DC bus voltage limit
900V +/-2.5%

max output current rating
23.9A at 8kHz

power consumption influencer
Blower

DC bus connection
L+ and L- terminals

M6 screws and contact rails
Yes

global shipment
Yes

What is the practical effect of 36 A peak vs 20 A rated current in continuous operation?

The 36 A is available only for short bursts (such as acceleration or torque spikes), while 20 A is safe continuously—using peak continuously will overheat the system. For motor sizing and power supply design, plan for continuous current (20 A) plus margin for peaks rather than relying on the 36 A spec alone.

At zero speed (0 Hz) why is the current rating reduced to 13.7 A and what does that mean for torque at standstill?

At 0 Hz the drive’s ability to dissipate heat is lower and motor inductance limits current flow, so rated current is reduced to 13.7 A, which means available torque at standstill is likewise reduced; sustained stall without motion should use this lower limit. If higher torque is needed at low speeds, consider over-rating motor or using external cooling or forced ventilation.

What does the nominal Y-capacitance “2×68 nF” signify for EMC/grounding and cabling layout?

The twin 68 nF capacitors indicate Y capacitors between isolation barriers (e.g. between power electronics and earth ground) to suppress common-mode noise; they help with meeting EMC standards but require proper grounding of chassis to earth. Poor grounding or long unshielded cable runs can lead to EMI emissions or interference problems, so design cable layout carefully, use shielded cables, and bond chassis appropriately.

What are the implications of the ~2×205 W power dissipation during usage?

That total (~410 W) represents loss power inside the drive (heat) and must be removed to prevent overheating; design the mounting or panel for sufficient thermal conductivity and consider forced ventilation or heat sinks. Also account for ambient temperature: higher ambient reduces allowable continuous current before thermal limits are hit.

What distinguishes the HMD01.1N-W0036’s performance envelope from smaller or larger drive controllers in the HMD series?

Compared to smaller units, the HMD01.1N-W0036 supports much higher peak and continuous currents (36 A peak, 20 A continuous), enabling larger motor loads, but its physical size, weight (~5.27 kg), heat dissipation, and power infrastructure requirements scale accordingly. In contrast with larger models you trade off efficiency and cost; in mid-range use this model often hits the sweet spot for performance vs installation complexity.

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Internal Product Review

The HMD01.1N-W0036 by Bosch Rexroth Indramat is a double-axis drive controller designed for precise control of servo and synchronous motor systems. It offers a peak current of 36 A, efficient cooling, and stable torque, making it suitable for industries like robotics and automation. Its IP20 protection and integration with IndraDrive M power sections ensure reliable performance in demanding synchronization tasks.

Warranty

1-year-warranty
Indramat USA 1 Year Warranty

Repair

product repair We offer a repair service for the HMD01.1N-W0036.

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