Mitsubishi Electric MELSEC-Q Series - Page 510

9 - 110
Chapter 9 Major Positioning Control
Operation chart
The following chart shows the operation timing for position-speed switching control.
The "in speed control" flag ([Md.31] Status: b0) is turned ON during speed control
of position-speed switching control.
• When using the external command signal [DI] as position-speed switching signal
Position-speed switching
enable flag
Cd.26
t
V
Positioning start signal
[Y10 to Y1F]
OFF
ON
Command speed
BUSY signal
[X10 to X1F]
OFF
ON
OFF
OFF
ON
Position
control
Speed control
OFF
OFF
ON
In speed control flag
( Md.31 )
Status: b0
Da. 8
OFF
ON
Does not turn ON even
when control is stopped
by stop command.
Position-speed switching signal
(External command signal (DI))
Cd.45 Speed-position switching
device selection
Setting details are taken in at positioning start.
0
Positioning complete signal
( Md.31 Status:b15)
Cd.180 Axis stop
ON
Fig. 9.18 Position-speed switching control operation timing