CHAPTER 3 MAINTENANCE
4. Absolute Position Detection
III
– 21
4.6 Various settings for dogless-type absolute position detection
(1) Resetting the basic machine coordinate system and setting the reference point
(G28 zero point)
The basic machine coordinate system can be reset after the zero point initialization by changing
the "270002 Ref position offset" parameter.
Operation procedure
"Status" display on Zero point set
screen
1. Select the Zero point set screen.
2. Press the Abs posn set menu key.
3. Designate the axis for which the basic machine coordinate
system is to be reset, and set "1" for the "1 Ref position set"
of that axis.
4. Reset the distance from the 1st reference point to the basic
machine position in "270002 Ref position offset".
5. After the zero point has been initialized for all axes, turn the
power ON again.
6. After all the axes have been returned to the zero point, output
the parameters.
"0" will appear at "Status" for the axis for
which the zero point has not been
initialized.
<When "270008 Ref point type" = 0>
+
-
"#1_rfp"
"#1_rfp"
New "270002 Ref position offset"
Old "270002 Ref position offset"
New basic machine
coordinate system
zero point (G53 zero point)
New 1st
reference point
Old basic machine
coordinate system
zero point (G53 zero point)
Old 1st reference point
Absolute position
basic point
Machine end
or marked point
<When "270008 Ref point type" = 1>
"#1_rfp"
"#1_rfp"
+
-
New "270002 Ref position offset"
Old "270002 Ref
position offset"
New basic machine
coordinate system
zero point (G53 zero point)
New 1st
reference point
Old basic machine
coordinate system
zero point (G53 zero point)
Old 1st reference point
Absolute position
basic point
Machine end
or marked point
(Note 1)
Make sure that the basic machine coordinate system zero point (G53 zero point) and
reference return point (G28 zero point) are not outside of the machine end stopper.
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