HMD01.1N-W0012

HMD Double Axis Drive Controllers

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The HMD01.1N-W0012 is a HMD Double Axis Drive Controller from Bosch Rexroth Indramat's HMD Double Axis Drive Controllers series. It delivers an output current of 6.9 A and effective peak current of 12 A, operating on 254 V DC to 750 V DC with a rated control voltage input of 24 V. Cooling is by internal air with integrated blower, handling 0–800 Hz output frequency. Weighing 5.5 kg and rated for 40 °C ambient, it features a SCCR of 42,000 A.

Technical Specifications

Cooling Method
Internal Air with Integrated Blower

Design Version
1

Effective Peak Current
12 A

Line Version
1

Power Supply Integration
None

Product Type
HMD Double Axis Drive Controller

Ambient Temperature
40 degrees C

Field Wiring Material
Copper

Mass
5.5 kg

Output Current
6.9 A

Output Frequency Range
0 Hz to 800 Hz

Output Voltage
3-phase AC, 0 to 530 V

Power Consumption (at rated control voltage)
17 W

Power Dissipation at Continuous Current
2 x 95 W

Rated Control Voltage Input
24 V ~ 20%

Rated Input Current
17.0 A

Rated Input Voltage
254 V DC to 750 V DC

Short Circuit Current Rating (SCCR)
42,000 A rms

Frequently Asked Questions

What is the significance of the continuous vs. effective peak current rating on the HMD01.1N-W0012?

Continuous current defines what the drive can sustain indefinitely without overheating; the “effective peak” (12 A) allows short bursts (typically <60 s) for load surges or acceleration. Operating too long at or near peak current forces thermal derating or trigger of protection mechanisms.

How does the DC-bus voltage range (254-750 V) affect system design and safety margins?

A wide DC-bus range gives flexibility to use various rectifier modules or power supplies, but you must ensure upstream components (rectifier, capacitors) are rated for the highest DC level and transient overvoltage. Also, higher DC-bus voltage increases insulation requirements on motor cables and creepage distances.

What does the 0-800 Hz output frequency capability enable in real-world applications?

This range permits precision control over motor speed, especially in applications needing very high speeds (e.g., spindle drives, high-speed conveyors) or fine low-speed control; above standard 50/60 Hz use. But performance (torque, current capacity) may drop at extreme frequencies because of limitations in motor cooling and switching losses.

How should one interpret the Short Circuit Current Rating (42,000 A) for protection system coordination?

The SCCR defines the maximum fault current the device can safely withstand without catastrophic failure; protection devices upstream must have interrupting ratings above this value. Ensuring proper breaker or fuse sizing with appropriate breaking capacity is crucial to protect both the drive and the installation.

What is the meaning of “HMD01.1N-W0012 discharge time 30 minutes after power-off,” and when does it matter?

After you remove DC supply, the internal DC-bus capacitors will hold charge and take up to ~30 minutes to discharge to a safe level; it matters for safe maintenance or servicing to avoid electric shock. Always follow lock-out/tag-out procedures and ensure voltage has dropped before touching internal components.

Common Misspellings

Internal Product Review

The HMD01.1N-W0012 by Bosch Rexroth Indramat is a double-axis drive controller with 6.9 A output current and a frequency range of 0-800 Hz. It provides a 3-phase AC output up to 530 V and uses internal air cooling with an integrated blower. This controller is suitable for industrial automation, CNC machinery, and packaging systems.