Mitsubishi Electric MELSEC Q Series, User Manual

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13 - 48
Chapter 13 Control Sub Functions
(2) The following shows the speed change time chart.
Cd. 15 Speed change request
Cd. 14 New speed value
In speed change
processing flag
BUSY signal
V
t
1
0
0 1
0
2000
0
Dwell time
PLC READY signal
Positioning start signal
[Y10]
[Y0]
READY signal
[X0]
[X10]
Md. 40
All axis servo ON [Y1]
Error detection signal
( Md. 31 Status: b13)
Start complete signal
( Md. 31 Status: b14)
Positioning complete signal
( Md. 31 Status: b15)
Fig. 13.26 Time chart for changing the speed from the PLC CPU
(3) Add the following sequence program to the control program, and write it to
the PLC CPU.
No.14 Speed change program
<Pulsate speed change command>
<Hold speed change command>
<Set speed change value
(90.00mm/min)>
<Set speed change request>
M11 PLS
M12 SET
M11 PLS K9000 DMOVP D11
M11 PLS K3600000 DMOVP D11
<Write speed change>
TOP H0 K4314
D11 K3
<Turn OFF speed change request
memory>
M12 RST
U0\
G4316
=
K0
954
960
963
X32
M11 X10
M12
[Program example]
M11 PLS K1 MOVP D13
X4D
<Speed change value
(3600.000deg/min)>