Mitsubishi A1SD75M1, User Manual

Page: 116 / 746

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MELSEC-A
5 DATA USED FOR POSITIONING CONTROL
5.2.2 Basic parameters 2
Setting value, setting range
Setting value buffer
memory address
Item
Value set with peripheral
device
Value set with sequence
program
Default
value
Axis 1 Axis 2 Axis 3
Pr.7 Speed limit value
The setting value range differs depending on the " Pr.1
Unit setting".
Here, the value within the [Table 1] range is set.
[Table 1] on right page
200000
6
7 156
157 306
307
Pr.8 Acceleration time 0 1000
8
9 158
159 308
309
Pr.9 Deceleration time 0
The setting value range differs according to the " Pr.25
Size selection for acceleration/deceleration time setting".
Here, the value within the [Table 2] range is set.
[Table 2] on right page
1000
10
11 160
161 310
311
Pr.10 Bias speed at start
The setting value range differs depending on the " Pr.1
Unit setting".
Here, the value within the [Table 1] range is set.
[Table 1] on right page
0
12
13
162
163
312
313
Pr.7 Speed limit value
Set the maximum speed for zero point return control and positioning control.
The speed during positioning control must be limited according to the servo
amplifier and control target.
The speed limit conditions follow the following:
1) Motor speed
2) Workpiece movement speed
Pr.8 Acceleration time 0, Pr.9 Deceleration time 0
Set the item to reach " Pr.7 Speed limit value" from speed 0.
Speed
Parameter speed limit value
Positioning speed
Time
Actual accel-
eration time Actual decel-
eration time
Set acceleration time Set deceleration time
POINT
If the " Pr.7 Speed limit value", " Pr.8 Acceleration time 0" and " Pr.9
Deceleration time 0" value is changed during positioning control, the new value is
reflected after a delay of a maximum of three pieces of data, with the exception of
the positioning data No. being executed at the time of the change.