Motor compatibility guide

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This page guides through matching the Granite Devices drive and various kinds of servo and stepping motors.

Overview

Drive selection by motor.png

Refer to notes A-D below the image

Note A (position feedback device)

Servo motor requires a position feedback device to operate with servo drive. It is recommended to have a position sensor that has resolution of at least 1000 increments (a.k.a. counts) per revolution. The higher the resolution, the better servo stiffness can be achieved.

Feedback device type must be one of the supported types. Following types are supported by different drive models:

ARGON
IONI
  • Incremental quadrature encoder
  • SinCos encoder
  • More than 99% of encoders are directly compatible, for technical details of compatible types see IONI motor compatibility page.

About Hall sensors

Many AC/BLDC motors come also with Hall sensors. Hall sensors are supported by ARGON & IONI drives but these are not required for operation and can be left unconnected. Connecting & enabling Hall sensor can be used to speed up motor initialization at power-on.

Unsupported feedback devices

Feedback devices that are not listed as supported, can be assumed to be unsupported and unsuitable. Examples of such types are:

  • Tachogenerator/tachometer
  • Serial data encoders (BiSS, SSI, EnDat etc)

In case of unsupported type, motor can be usually made compatibly by installing a compatible encoder in it. Compatible encoders are widely available in may sizes and fit most motors in the market. See list of compatible feedback devices.

Note B (current rating)

Note C (voltage rating)

Note D (stepping motor feedback)


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