Mitsubishi Electric A173UHCPU Programming Manual page 231

7. POSITIONING CONTROL
[Program Example]
This program executes speed-switching control under the conditions below.
(1) System configuration
Speed-switching control of Axis 2 and Axis 3.
A61P A273UH A278
CPU LX
MR- -B MR- -B MR- -B MR- -B
Axis Axis
1 2
M M
(2) Positioning conditions
(a) The speed-switching control conditions are shown below.
Item
Servo program number
Controlled axis
End address
(b) Speed-switching control start command....... leading edge of X000
(3) Operation timing and speed-switching positions
The operation timing for speed-switching control and the speed-switching
points are shown below.
PLC ready(M2000)
Start command(X000)
SVST instruction
Axis 2 start accept flag(M2002)
Axis 3 start accept flag(M2003)
A61P AX41
Start command(X000)
Axis Axis
3 4
M M
Setting
No. 500
Axis 2
100000
Axis 3 positioning direction
50000
40000
V
8000
5000
2000
ON
OFF
ON
OFF
ON
OFF
ON
OFF
7 − 84
Axis 3
50000
(OFF → ON)
Axis 2 positioning
70000 100000
direction
t