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MX4660 
Setup Guide 

Version 2022Q1.1 

© 2022 Avid CNC 

All Rights Reserved

Mach4 Setup

Use of the 4 HP Avid CNC spindle requires version 2.2.2 or newer of Mach4 and use of the 8.7 HP Avid CNC spindle requires
version 2.1.0 or newer of Mach4. If you need to update your installation of Mach4, please visit the 

Mach4 downloads

 page

and 

Contact Us

 with any questions.

After the physical connections are complete, the next step is to con gure Mach4 for your spindle. If you have not
con gured Mach4 for your machine, follow the steps in th

CNC Software Setup Guide

.

If you are currently using Mach4, you will need to update your Mach4 con guration using the 

Avid CNC Mach4

Con guration

 menu. When selecting a Cutting Tool, choose "Spindle" (or "Spindle / Plasma" for dual-use machines) and the

appropriate Spindle Type.

Once you have con gured Mach4 with a Spindle cutting tool, you will see the spindle control functions shown above. For
more detail about each of the buttons and DROs, refer to th

Mach4 Users Guide

. Each spindle type has a pre-de ned

minimum and maximum speed, as shown in the table below.

Spindle Type

Min Speed (RPM)

Max Speed (RPM)

3 HP Avid CNC spindle

8000

24,000

4 HP Avid CNC spindle

6000

24,000

8.7 HP Avid CNC spindle

1000

24,000

To manually adjust the spindle speed, enter a speed within your spindle's range into the Spindle Speed DRO. If you enter a
value too low, it will bump up to the minimum, too high and it will bump down to the maximum.

Mach4 Version

Summary of Contents for MX4660

Page 1: ...MX4660 Spindle VFD Setup Guide v2022Q1 1 ...

Page 2: ...le will be to connect your MX4660 Control Unit with your VFD You should have received a 14 pin SP THC cable and strain relief tting with the Plug and Play Spindle VFD System SP THC cables included in Plug and Play Spindle VFD Systems purchased after November 2020 are black in color as opposed to the gray cable pictured Where relevant differences between these two cables will be noted in the instru...

Page 3: ...HC cable to your control unit Simply install it in any unused hole of appropriate size in your enclosure The left as shown threaded end of the strain relief should be installed into the gland plate of the control unit from the exterior The clamping collar at left in photo should then be threaded onto the strain relief from the interior to hold it in place on the gland plate ...

Page 4: ...2022 Avid CNC All Rights Reserved At this point one end of the SP THC cable should have the 14 pin connector removed with the wires stripped to bare leads as shown in the photo series below Clip one end of the SP THC cable as shown above ...

Page 5: ...MX4660 Setup Guide Version 2022Q1 1 2022 Avid CNC All Rights Reserved Strip the sheathing on the cable back at least 1 5 it is easier to work with if you strip 1 5 3 ...

Page 6: ... and Orange wires Black SP THC cable Black White Black Red Brown and White Brown wires The clipped and stripped end of the SP THC cable can now pass through the strain relief installed in your gland plate Ensure the cable nut shown at the right in the strain relief image is partially threaded onto the strain relief prior to inserting the cable Once there is a su cient length of cable inside your c...

Page 7: ...orrect wire colors to used based on which SP THC cable you have MX4660 Connection Description Wire Color gray cable Wire Color black cable EGND PWM signal ground to VFD Black White Black 0 10V Out PWM signal 0 10v output to VFD Red Black 10Vdc In 10V from input VFD required for PWM output Blue White Red Output 1 Spindle Relay Ground Green White Brown Output 1 Spindle Relay Signal Orange Brown ...

Page 8: ...MX4660 Setup Guide Version 2022Q1 1 2022 Avid CNC All Rights Reserved Spindle Controller Connections 14 Pin SP THC Cable Connect the 14 pin SP THC cable to your Spindle Controller ...

Page 9: ...ith the arrow on the panel mount connector Power Cable Plug the power cable from the Spindle Controller into an appropriate receptacle based on your application below 3 HP and 4 HP Plug and Play Spindle VFD System L6 30 receptacle 200 240VAC single phase 8 7 HP Plug and Play Spindle VFD System L21 30 receptacle 200 240VAC three phase If running on single phase refer to power requirements for this ...

Page 10: ... Setup Guide Version 2022Q1 1 2022 Avid CNC All Rights Reserved Spindle Connection 3 Avid HP Spindle Connect the female end of the M23 spindle cable to the spindle aligning the arrows as in the previous step ...

Page 11: ... Tightened Connect the female end of the M23 spindle cable to the spindle Ensure the connector is seated before tightening It may be necessary to rotate the M23 cable to allow it to seat properly During this process you will feel the connector drop into place when the pins and sockets of the connector align Assembly Note ...

Page 12: ...guration using the Avid CNC Mach4 Con guration menu When selecting a Cutting Tool choose Spindle or Spindle Plasma for dual use machines and the appropriate Spindle Type Once you have con gured Mach4 with a Spindle cutting tool you will see the spindle control functions shown above For more detail about each of the buttons and DROs refer to the Mach4 Users Guide Each spindle type has a pre de ned ...

Page 13: ...ach4 will need to be enabled to turn the spindle on Check that you can adjust speed while the spindle is on by entering various speeds between your spindle s min and max speeds into Spindle Speed DRO and hit enter If the spindle responds to these speed commands your VFD and Spindle package is ready for use If you experience any trouble while following this guide please feel free to Contact Us ...

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