Plug and Play
Retrofit Guide
Version 2021Q1.1
© 2021 Avid CNC
All Rights Reserved
Plug and Play NEMA 23 and NEMA 34 CNC Control Systems purchased prior to Nov 2015 did not include the "SP/THC"
connector by default. Please
Contact Us
and we will provide this connector at no cost.
If you are using Mach3 CNC controller software, please refer to our
Mach3 CRP800 VFD Retro t Guide
(https://www.avidcnc.com/dl/cad.2018Q3/CRP800_Retro t_Guide_v2018Q3_1.pdf)
SP/THC Connector Installation
The rst step in setting up your spindle will be to upgrade your current CRP800 Control Unit with VFD compatibility. You
should have received a 14 pin connector with your Retro t Kit. (See Below)
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