National Instruments MID-7604 Stepper motor power drive
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National Instruments · NI motion control

NI MID-7604

The NI MID-7604 combines four-axis stepper amplification and field-wiring interfaces for NI motion controllers.

ManufacturerNational Instruments
ModelMID-7604
Product TypeStepper motor power drive
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Free Shippingfull policy linked
30-Day Warrantystandard coverage
30-Day Returnspolicy applies
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Axes4 simultaneous
Phase current0.20–1.4 A peak
Motor bus24 VDC nominal
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Overview

Product overview

Key product information and technical features.

Built-in power supplies and removable motor, encoder, and limit terminals support industrial and laboratory motion systems.

  • Bipolar chopper microstepping drivers.
  • Per-axis current and microstep selection.
  • Host-bus interlock and inhibit controls.
Verified specifications

Technical data

Verified product specifications.

Continuous output, all axes combined80 W
AC input115/230 VAC
Operating temperature0–40 °C
Condition & included items

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Condition

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Included

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Revision

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Compatibility

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National Instruments

Manufacturer

NI motion controller

Motion commands

MID-7604

Motor amplification

Compatibility

Two-phase motors with suitable 4-, 6-, or 8-wire configurations; excludes five-lead unipolar and five-phase motors.

Provide external motor overload protection and temperature sensing; verify controller pass-through signal limits.
Manuals & software

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Shipping, warranty & returns

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Shipping
Free Shipping. Full policy terms apply.
Warranty
30-Day Warranty. Standard coverage applies.
Returns
30-Day Returns. Return policy applies.
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FAQ

Product-specific questions

Product-specific answers based on available technical information.

What step and direction polarity is required?

Use active-high step and direction signals. NI's errata corrects older documentation stating active-low polarity; configure the controller accordingly in MAX.

How does the MID-7604 differ from the MID-7602?

The MID-7604 supports four axes; the MID-7602 supports two.

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