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MELSEC-Q
12 CONTROL SUB FUNCTIONS
[3] Setting method
The following table and chart show the example of a data setting and program
used to change the target position of the axis 1 by the command from CPU
module, respectively."
(In this example, the target position and command speed is changed to
"300.0
m" and "10000.00 mm/min".)
(1) The following data is set.
(Referring to the starting time chart shown in item (2) below, carry out the
setting with the program shown in item (3).)
Buffer memory address
Setting item
Setting
value
Setting details
Axis
1
Axis
2
Axis
3
Axis
4
Cd.27
Target position
change value
(new address)
3000 Set the new address.
1534
1535
1634
1635
1734
1735
1834
1835
Cd.28
Target position
change value (new
speed)
1000000 Set the new speed.
1536
1537
1636
1637
1736
1737
1836
1837
Cd.29
Target position
change request flag
1 Set "1: Carry out speed change". 1538 1638 1738 1838
Refer to Section 5.7 "List of control data" for details on the setting details.
(2) The following shows the time chart for target position change.
V
t
1
0
1000000
0
3000
Cd.28
Cd.29
[Y10]
[Y0]
[X0]
[X10]
[XC]
[X14]
[X8]
Positioning start signal
PLC READY signal
QD75 READY signal
Start complete signal
BUSY signal
Positioning complete
signal
Error detection signal
Cd.27
Target position change value
(New address)
Target position change value
(New speed)
Target position change
request flag
Dwell time
Fig. 12.35 Time chart for target position change from CPU module
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