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MELSEC-Q
12 CONTROL SUB FUNCTIONS
(2) The following shows a time chart for changing the speed using the override
function.
Cd. 13 Positioning operation
speed override
V
t
Dwell time
200
BUSY signal
Error detection signal
A
ll axis servo ON
Positioning start signal
Positioning complete signal
QD75 READY signal
Start complete signal
[Y10]
[Y1]
[X0]
[X10]
[XC]
[X14]
[X8]
PLC READY signal
[Y0]
Fig. 12.30 Time chart for changing the speed using the override function
(3) Add the following PLC program to the control program, and write it to the
PLC CPU.
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Example
No.15 Override program
<Pulsate override command>
<Set override value (200%)>
<Write override value>