Mach3 Setup notes

X axis 0 is far side, Y axis 0 is right (away from feeders) Z axis 0 is top

Limit switch as home switches:

Speed for homing 5%,

X wasnt always backing off enough so Config-> general Config -> Debounce Interval = 20


X zeroed on neg axis is 770.20 to other limit switch

Y is 614.2437 to other limit switch

Z is 190.7469 to bottom limit switch

Config -> Home Limit switches:

 


 

Head select is via parallel port pin 16 & 17 linked to PIC18F4610 B6 & B5 respectively

Mach3 M7 (Mist) -> Output2 -> PPort 16 -> 18F4620.B5

Mach3 M8 (Mist) -> Output3 -> PPort 17 -> 18F4620.B6

In Mach3 Output 2 & 3 are tied to parallel port 16 & 17 respectively with spindle setup

B6 B5 Command
Head0 0 0 M9
Head1 0 1 M9 M7
Head2 1 0 M9 M8
Head3 1 1 M9 M7 M8

Heads are on Axis A:

Steps per mm:

Velocity:

Acelleration rate: