floating head switch setting

[wilkies]

iv`e noticed a problem,entering the offset in sheet can,when i enter the = -0.19 offset in the post processor and run the g-code in mach3 the zdrive stops at the floating head switch,if i remove the - from the = -0.19 to = 0.19 and then run the g-code every thing seems to work,anyone know whats wrong? thanks dave

[muzza]

I'm not sure why you would want a negative there unless you are routing in which case you wouldn't use a floating head. I assume that by entering a negative value you are making the torch want to drive below the surface or zero level so the machine is stopping.
Murray