Mitsubishi Electric MELSEC Q Series User Manual page 200

(a) Operation of a speed-position movement amount change
The operation is as follows.
Speed-position switching
command signal (CHANGE)
New speed-position
Cd.6
movement amount
(b) New speed-position movement amount
Cd.6
The setting is cleared to 0 when the next operation starts.
(c) Data setting
The following table lists the data to be set, setting condition, and check timing.
Setting item
New speed-position
Cd.6
movement amount
If " New speed-position movement amount" is a value that moves the workpiece outside the stroke limit
Cd.6
range, the error "Movement outside the stroke limit range" (error code: 87) occurs at the input of Speed-
position switching command signal (CHANGE), and the set new movement amount is ignored. (The value in
" Positioning address P1" (movement amount) is used.)
Da.2
(9) Operation of speed control
Operation can stay as speed control in the speed-position control switch mode when one of the following
conditions is satisfied.
• Not to input Speed-position switching command signal (CHANGE)
• Not to turn on Speed-position switching enable signal (Y2C)
During speed control, the stroke limit function cannot be used since "
stroke range is from the lower limit switch (RLS) to the upper limit switch (FLS).
198
Speed control
v
Movement amount
can be changed
OFF
0 P1
Default
Setting range
value
1 to
0pulse
2147483647pulse
Position control
Movement amount (P1) set to "
New speed-position movement amount"
Movement amount cannot
be changed
ON
The change after Speed-position switching
command signal (CHANGE) was turned on
is ignored.
P2
P1 becomes the movement amount in position control.
Setting condition
The data can be set when
BUSY signal (X14) is on
during speed control, and
besides before the input of
Speed-position switching
command signal (CHANGE).
Md.1
Cd.6
t
Check timing of
the set data
(decimal)
At the input of
Speed-position 88
switching command 89
signal (CHANGE)
Current feed value" is not updated. A
Buffer
memory
address