Mitsubishi Electric MELDAS C6 Programming Manual page 304

14. Coordinates System Setting Functions
Example of program
(Example 1)
When the first reference point coordinate is zero, the basic machine coordinate
system zero point and reference (zero) point return position (#1) will coincide.
(Example 2)
14.10 Workpiece coordinate system setting and offset
(1) G28 X0Y0 ;
(2) G53 X − 1000
(3) G53 X0Y0 ;
Present
position
(1) G28X0Y0 ;
(2) G90G00G53X0Y0 ;
(3) G54X-500 Y−500 ;
(4) G01G91X−500F 100 ;
(5) Y−500 ;
(6) X+500 ;
(7) Y+500 ;
(8) G90G00G55X0Y0 ;
(9) G01X−500 F200 ;
(10) X0Y−500 ;
(11) G90G28X0Y0 ;
-X(G55)
Y − 500 ;
R#1
(1)
(2) M
(3)
Present position
-X(G54)
W2
(9)
(10)
296
Reference (zero) point
return position (#1)
Reference (zero) point
return position (#1)
(1)
(2)
M
-1000 -500
(3)
-500
W1
(8)
-1000
-
(5) (4)
500
(7)
-
(11)
-1500
(6)
1000
-Y
-Y
(G55)
(G54)