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Schematics


Spindle Controller

System Identification

Reference the System Identification page to determine the spindle type, model revision, and VFD ID of your Plug and Play Spindle / VFD System.

Spindle Type Model Revision VFD ID Schematic
Avid CNC 3 HP 20.1.X All [PDF]
Avid CNC 4 HP
Avid CNC AV40S
20.1.X A1 [PDF]
24.1.1 B1 [PDF]
24.3.0 B1 [PDF]
Avid CNC 8.7 HP
Avid CNC AV70S
20.2.X All [PDF]
21.1.X All [PDF]
21.2.X All [PDF]
22.1.X E1 [PDF]
22.2.X C1, C2 [PDF]
D1, D2 [PDF]
E1 [PDF]
F1 [PDF]
24.3.0 C1, C2 [PDF]
D1, D2 [PDF]
E1 [PDF]
F1 [PDF]

Common Connector Pinouts


14-pin Control Cable

14-Pin Cable Pinout
FEMALE connector MALE connector

Application

Unused pins are reserved for Plasma connections.

Connector
Pin #
Use In / Out Description Color
1 Spindle Digital In Fault Ground Blue
2 Spindle Digital In Fault Signal White
7 Spindle Digital Out FWD Orange
8 Spindle Digital Out DCM Green
9 Spindle Analog Out AVI Red
10 Spindle Analog Out ACM Black
11 Spindle (optional) Analog 10V Ref Blue/White


M23 6P

Application

For use with Avid CNC 3 HP, 4 HP and AV40S spindles.

M23-6P Cable Pinout M23-6P Cable Pinout
FEMALE connector MALE connector

Connector Pin # Description
1 Thermal Switch
2 Thermal Switch
3 GND
4 U
5 V
6 W


M23 8P

Application

For use with Avid CNC AV70S and 8.7 HP spindles.

M23-8P Cable Pinout M23-8P Cable Pinout
FEMALE connector MALE connector

Connector Pin # Description
1 U
2 GND
3 W
4 V
A +24V Fan
B Thermal Switch
C 0V Fan
D Thermal Switch


M12 8P

Application

For use with Avid CNC AV70S and AV40S spindles.

M12-8P Cable Pinout M12-8P Cable Pinout
FEMALE connector MALE connector

Connector Pin # Spindle
In / Out
Description Notes
1 In ATC - Drawbar actuate command N.O., Sourcing. Close to release the tool.
2 In 24V+
3 Out ATC - Drawbar Up (closed) signal N.O., Sinking. Closed while the drawbar is in the Up/Closed position.
4 Out ATC - Drawbar Down (open) signal N.O., Sinking. Closed while the drawbar is in the Down/Open position.
5 Out ATC - MTC button pressed signal N.O., Sinking. Closed while the MTC button is pressed.
6 Out ATC - Spindle Stopped signal N.O., Sinking. Closed while the spindle tachometer reads below 250 RPM.
7 In Ground (24V-)
8 In ATC - Drawbar Inhibit command N.O., Sourcing. Close to prevent all drawbar actuation.

Note

When the Drawbar Up and Drawbar Down signals are both Open/Off, this indicates that a tool holder is successfully loaded in the spindle.