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(author: Chris P)
(version: 0.1)
(date: 04/25/19)
(Probe Y Minus direction to locate edge, end at clearance distance)
(Start probe position to the back side edge of stock)
(inside the max xy distance with the probe tip below the stock top edge)
(ensure all settings have been set properly according to help diagrams)
o<probe_y_minus> sub
(uses NGCGUI style arg spec)
(number after "=" in comment is default value)
#<probe_tool_number> = #1
#<max_xy_distance> = #2
#<xy_clearance> = #3
#<probe_slow_fr> = #4
#<probe_fast_fr> = #5
#<calibration_offset> = #6
(Cancel G92 offsets)
G92.1
(Probe Tool Safety Check)
o<110> if [#5400 NE #<probe_tool_number>]
(MSG, Specified probe tool #<probe_tool_number> not in spindle, aborting)
o<probe_y_minus> return
o<110> endif
(Probe Diameter)
#<probe_diameter> = #5410
(Probe Radius)
#<probe_radius> = [#<probe_diameter> / 2]
(Probe Centerline Offset)
#<probe_center_offset> = [#<probe_radius> - #<calibration_offset>]
(Current Y Position including offsets in current program units)
#<y> = #5421
(Initiate Fast Y- Probe)
G91
F[#<probe_fast_fr>]
G38.2 y-[#<max_xy_distance>]
#<y_minus_probed> = #5062
(Probe Error check, #5070 will be 0 if failed)
o<120> if [#5070 EQ 0]
(back to start point and feed)
G90
G0 Y#<y>
F[#<probe_fast_fr>]
(return from sub)
o<probe_y_minus> return
o<120> endif
(Move to xy_clearance distance for slow probe)
G90
G0 Y[#<y_minus_probed> + #<xy_clearance>]
(Slow Probe Rule, if Slow Probe FR is set to 0, Slow Probe is Bypassed)
o<130> if [#<probe_slow_fr> GT 0]
(Initiate Slow Y- Probe)
G91
F[#<probe_slow_fr>]
G38.2 Y-[#<xy_clearance> * 2]
#<y_minus_probed> = #5062
; (debug, Probed Pos: #5062 Y Pos: #<_y>)
G90
G0 Y[#<y_minus_probed> + #<xy_clearance>]
o<130> endif
#<y_minus_zero_edge> = [#5062 - #<probe_center_offset>]
(defines the edge as y_probed_position for DRO reporting)
#<y_minus_probed_position> = #<y_minus_zero_edge>
(analog aio output to gui DRO "Y PROBED POSITION")
M68 E6 Q[#<y_minus_probed_position>]
o<probe_y_minus> endsub [#<y_minus_zero_edge>]
M2 (end program)
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