12 CONTROL SUB FUNCTIONS
Positioning start signal
PLC READY signal
All axis servo ON
QD75 READY signal
Start complete signal
BUSY signal
Positioning complete signal
Error detection signal
— á
Example
No.15 Override program
(2) The following shows a time chart for changing the speed using the override
function.
V
[Y10]
[Y0]
[Y1]
[X0]
[X10]
[XC]
[X14]
[X8]
Cd. 13 Positioning operation
speed override
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.
200
12 - 51
MELSEC-Q
Dwell time
t
<Pulsate override command>
<Set override value (200%)>
<Write override value>