YASKAWA S-V Series User Manual page 73

Using the parameters below, set the acceleration and deceleration, and set the average movement time of posi-
tion references.
Acceleration rate
Setting Range
PnB29
1 to 99999999
Deceleration rate
Setting Range
PnB2B
1 to 99999999
Average Movement Time of Position Reference
Setting Range
Pn217
0 to 10000
Set the acceleration and deceleration so that the values of the two settings do not differ
greatly.
If they differ greatly, the machine will not accelerate in accordance with the settings.
For example, if PnB29 is set to 99999999 and PnB2B is set to 1, then the machine's per-
formance will be unpredictable.
Speed reference
(Before average movement time filter)
Speed
reference
V
t
t t t
1 2 5 3
V
Acceleration
V
Deceleration
Average movement time of position reference = t
Setting Unit
1000
(Reference units/min)/
ms
Setting Unit
1000
(Reference units/min)/
ms
Setting Unit
0.1 ms
Speed reference
(After average movement
time filter)
Time
t t
4 6
[× 1000 reference units/min]
[ms]
[× 1000 reference units/min]
[ms]
- t
5 2
5.4 Settings According to Device Characteristics
Factory Setting
1000
Factory Setting
1000
Factory Setting
After the change and also
0
= t - t
6 4
When Enabled
Immediately
When Enabled
Immediately
When Enabled
after the motor has
stopped
5
5-15