70 Series Maintenance Training Manual - Automation Service Srl

2. Maintenanace Screens
2.3 Absolute Position Setting Screen
Initialization start point
a
Basic machine
coordinate system
zero point
Reference
position
c
b
Machine end
stopper
(Mechanical basic
position)
Zero point parameter
"#2037 G53ofs"
#2 Zero-P (#2059 zerbas=1)
#2 Zero-P (#2059 zerbas=0)
Grid point
(electric basic
position)
"Machine end"
(Note 1) To change just the basic machine coordinate zero point, set "#0 Absolute posn set" and "#2 Zero-P",
and then turn the power OFF and ON.
(Note 2) If aligning axis on the marked point is attempted without passing the grip point once after turning the
power ON, the operation message "Not passed on grid" will appear. Return to a point before the last
grid, and then repeat from step of aligning the axis on the marked point.
(Note 3) If the first grid point is covered by the grid mask (#2028 grmask) as a result of return to the electric
basic position, the axis stops at the next grid point.
Note that zero-point shift amount (#2027 G28sft) is invalid.
(Note 4) Reconfirm the "absdir" setting if the machine does not move in the direction of "#2050 absdir". The
machine will move only in the positive direction when set to “0”, and the negative direction when set
to "1".
39