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EX Controller Technical Manual


This technical manual includes basic use instructions for your CNC controller. Review the sections below for safe and proper setup procedures.

Choose from Servo or Stepper manuals to begin.

Legacy Controller Documentation

Legacy CRP800/SmoothStepper manuals are available here.


Servo Systems


Stepper Systems


Retrofit Guides

PRO CNC

  • Servo upgrade
  • Stepper systems upgrading to an EX Controller with Servo motors
  • Re-use existing motors
  • Upgrading to an EX Controller and keeping the existing Stepper motors
  • VFD Parameter Changes
  • Configuration changes required when upgrading from a legacy Avid CNC controller to an EX Controller

Benchtop PRO

  • Servo upgrade
  • Stepper systems upgrading to an EX Controller with Servo motors
  • VFD Parameter Changes
  • Configuration changes required when upgrading from a legacy Avid CNC controller to an EX Controller