228
3 PARAMETERS FOR POSITIONING CONTROL
3.13 Parameter Block
Program
A sample servo program using the advanced S-curve acceleration/deceleration is shown below.
When the advanced S-curve acceleration/deceleration is set, the travel value (section X above) at the
commanded speed is different than when using trapezoidal acceleration/deceleration (A1R = A2R = D1R =
D2R = 0.0).
Operation
■
Stop processing
When the stop command turns ON during acceleration, the acceleration is decreased until it reaches zero according to
acceleration section 2 ratio setting. Therefore, the speed will continue to increase for a while before deceleration stop
processing is executed. (Deceleration is smooth.)
Speed
Acceleration
Section
X
A2R = 35.0%
S.R.
A1R = 20.0%
D1R = 20.0%
D2R = 35.0%
Deceleration section 1 ratio (D1R): 20.0%
Deceleration section 2 ratio (D2R): 35.0%
Acceleration section 1 ratio (A1R): 20.0%
Acceleration section 2 ratio (A2R): 35.0%
ABS-1
Axis
4,
Speed
S.R.
ASC System
ASC Accel.1
ASC Accel.2
ASC Decel.1
ASC Decel.2
1200000pulse
500000pulse/s
500000pulse/s
1
20.0%
35.0%
20.0%
35.0%
0
0
Setting speed
Speed
Acceleration
AmaxA
DmaxA
Time
Time
OFF
ON
Control during stop
command OFF
Control during stop
command OFF
Deceleration processing after
stop command ON
Deceleration stop processing
[Rq.1140] Stop command
(R: 32n/Q: M3200+20n)
Содержание MELSEC iQ-R16MTCPU
Страница 1: ...MELSEC iQ R Motion Controller Programming Manual Positioning Control R16MTCPU R32MTCPU R64MTCPU ...
Страница 2: ......
Страница 477: ...APPENDICES Appendix 1 Processing Times of the Motion CPU 475 A MEMO ...
Страница 481: ......