Mitsubishi FX2N-10GM, Hardware / Programming Manual

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FX Series Positioning Controllers Program Examples 9
9-25
9.5.2 Positioning in which movement quantity is variable (FX
2N
-10GM, FX
2N
-20GM)
1) Outline of positioning
A digital switch is connected to the FX
2N
Series PLC, the PLC transfers an arbitrary posi-
tioning address input via the digital switch to the positioning unit, then the positioning unit
performs positioning.
2) Operating procedure
c
An arbitrary address (absolute value) for positioning is set via a digital switch.
d
When the START signal (X010) is input, the machine returns to the zero point only at the
first time, then moves to the specified position.
3) Operation chart
4) Program
5) Parameter
Set the positioning parameter No. 16 (mechanical zero point address) to "0". For other
parameters, refer to Paragraph 9.2.4.
Speed
Set value
Zero point
Distance
Return to the zero point
Line No. Instruction Description
Ox0, N0 LD M9057;
N1 FNC00(CJ) P0; Jumps to P0 if the zero point return completion flag
M9057 is ON.
N2 cod28(DRVZ); Returns the machine to the zero point.
N3 P0;
N4 cod00(DRV) xDD100; Moves the machine to the position specified by D101
and D100.
N5 m02(END); D101 and D100 correspond to the buffer memories
#101 and #100, and the data is transferred from the
PLC by the T0 instruction.