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12 CONTROL SUB FUNCTIONS
Setting item
Cd.14 New speed value
Cd.15 Speed change
request
Refer to Section 5.7 "List of control data" for details on the setting details.
Positioning start signal
PLC READY signal
QD75 READY signal
Start complete signal
BUSY signal
Positioning complete signal
Error detection signal
[3] Setting the speed change function from the PLC CPU
The following shows the data settings and sequence program example for
changing the control speed of axis 1 from the PLC CPU. (In this example, the
control speed is changed to "20.00mm/min".)
(1) Set the following data.
(Use the start time chart shown in section (2) below as a reference, and set
using the sequence program shown in section (3).)
Setting
value
2000
Set the new speed.
1
Set "1: Change the speed".
(2) The following shows the speed change time chart.
V
[Y10]
[Y0]
[X0]
[X10]
[XC]
[X14]
[X8]
Md. 40
In speed change
processing flag
Cd. 14 New speed value
Cd. 15 Speed change request
Fig. 12.26 Time chart for changing the speed from the PLC CPU
Setting details
1
0
0
1
12 - 37
MELSEC-Q
Buffer memory address
Axis
Axis
Axis
1
2
3
1514
1614
1714
1515
1615
1715
1516 1616 1716 1816
Dwell time
0
2000
0
Axis
4
1814
1815
t
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Troubleshooting
