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MELSEC-Q
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.
Position-speed switching
enable flag
Cd.26
t
V
Positioning start signal
[Y10,Y11,Y12,Y13]
OFF
ON
Command speed
BUSY signal
[XC,XD,XE,XF]
OFF
ON
Positioning complete signal
[X14,X15,X16,X17]
OFF
Position-speed
switching signal
OFF
ON
Position
control
Speed control
OFF
ON
OFF
ON
In speed control flag
Status: b0
Md.31
Da. 8
OFF
ON
Stop command
Does not turn ON even
when control is stopped
by stop command.
Fig. 9.18 Position-speed switching control operation timing