System philosophy
HARDWARE REFERENCE MANUAL
18
Revi
si
on 3.0
Defining moves
fig. 4
The speed profile in this figure shows a simple
MOVE
operation.
Axis A is the time, axis B is the speed. The
UNITS
parameter for
this axis has been defined for example as meters. The required
maximum speed has been set to 10 m/s. In order to reach this
speed in one second and also to decelerate to zero speed again in
one second, both the acceleration as the deceleration rate have
been set to 10 m/s
2
. The total distance travelled is the sum of
distances travelled during the acceleration, constant speed and
deceleration segments. Suppose the distance moved by the
MOVE
command is 40 m, the speed profile is given by the figure.
fig. 5
The two speed profiles in these figures show the same movement
with an acceleration time respectively a deceleration time of 2
seconds. Again, Axis A is the time, axis B is the speed.
fig. 6
0
10
1
2
3
4
5
6
A
B
ACCEL=10
DECEL=10
SPEED=10
MOVE(40)
0
10
1
2
3
4
5
6
A
B
ACCEL=5
DECEL=10
SPEED=10
MOVE(40)
0
10
1
2
3
4
5
6
A
B
ACCEL=10
DECEL=5
SPEED=10
MOVE(40)
I51E-EN-03.book Seite 18 Donnerstag, 28. Juni 2007 1:05 13