Circular Interpolation (True Circle) (Fx 2N -20Gm) - Mitsubishi FX2N-10GM Hardware / Programming Manual

FX Series Positioning Controllers
9.4.3 Circular interpolation (true circle) (FX
1) Outline of positioning
The machine moves in a true circular route.
2) Operating procedure
cThe machine returns to the zero point by the start command only at the first time.
dThe machine moves to the target address in a linear route.
eThe output Y0 turns on, and the machine moves in a true circular route.
fThe output Y0 turns off, and the machine returns to the zero point address (0, 0).
3) Operation chart
4) Program
Line No.
O0, N0
N1
N2
N3
N4
N5
N6
N7
N8
N9
N10
N11
5) Parameter
Set the positioning parameter No. 16 (mechanical zero point address) to "0" for both the X
and Y axes. For other parameters, refer to Paragraph 9.2.4.
Y axis
(300,200)
Mechanical
zero point
Instruction
LD M9057;
FNC00(CJ) P254;
cod28(DRVZ);
P254;
cod01(LIN) x300 y200 f1200; Moves the machine to the target address
SET Y0;
cod04(TMR) K150;
cod02(CW) i200 j200 f1200; Sets a true circular route because the end
RST Y0;
cod04(TMR) K150;
cod01(LIN) x0 y0 f1200;
m02(END);
-20GM)
2N
200
200
Description
Jumps to P254 if the zero point return
completion flag M9057 is ON.
Returns the machine to the zero point.
(mechanical zero point address = 0, 0)
(300, 200).
Turns on Y0.
Sets the operation wait time to "1.5 sec".
coordinates (target position) are not specified.
The center coordinates (i, j) are always treated
as an incremental address.
If the radius (r) is specified, a true circular route
cannot be realized.
Turns off Y0.
Sets the OFF wait time to "1.5 sec".
Moves the machine to the zero point in a linear
route.
Program Examples 9
X axis
9-19