Mitsubishi Electric MELSEC-LD77MS2 User Manual page 574

[LD77MS4 operation example]
• When using the external command signal [DI] as position-speed switching signal
Positioning start signal
[Y10, Y11, Y12, Y13]
BUSY signal
[XC, XD, XE, XF]
Positioning complete signal
[X14, X15, X16, X17]
Position-speed switching signal
(External command signal (DI))
Cd.26 Position-speed switching
enable flag
Axis stop signal (stop command)
[Y4, Y5, Y6, Y7]
In speed control flag
( Md.31 Status: b0
Cd.45 Speed-position switching
Operation chart
The following chart shows the operation timing for position-speed switching control.
The "in speed control" flag (
position-speed switching control.
V
Da. 8 Command speed
OFF
OFF
OFF
OFF
OFF
OFF
OFF
)
device selection
Setting details are taken in at positioning start.
Fig. 9.18 Position-speed switching control operation timing
Status
Md.31
Position
Speed control
control
ON
ON
ON
ON
ON
0
(Note): Refer to Section 3.3 for input/output signal of LD77MS16.
9 - 114
Chapter 9 Major Positioning Control
: b0) is turned ON during speed control of
t
Does not turn ON even
when control is stopped
by stop command.
ON