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12 CONTROL SUB FUNCTIONS
Cd. 14 New speed value
Designated speed in P2
Designated speed in P1
V
Fig. 12.24 Restarting speed after speed change made during position control (Function version B)
[2] Precautions during control
(1) Control is carried out as follows at the speed change during continuous path
control.
a) When no speed designation (current speed) is provided in the next
positioning data:
The next positioning data is controlled at the "
value".
b) When a speed designation is provided in the next positioning data:
The next positioning data is controlled at its command speed
(
Da.8
Positioning control
Fig. 12.23 Speed change during continuous path control
(2) When changing the speed during continuous path control, the speed change
will be ignored if there is not enough distance remaining to carry out the
change.
(3) When the stop command was given to make a stop after a speed change
that had been made during position control, the restarting speed depends
on the function version.
Function version
B or later
Refer to Section 2.4 for the way to check the function version.
Speed change
command
Stop command
).
P1
Speed change
command
Da.8 Command speed
A
Cd.14 New speed value
Restarting
command
12 - 35
Cd.14
Next control
P2
[a] When no speed designation
(current speed) is provided.
[b] When a speed designation
is provided.
Restarting speed
Da. 8
Command speed
Cd. 14 New speed value
t
MELSEC-Q
New speed
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