Siemens simovert masterdrives, Справочник

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Engineering Information 06.2005
6SE7087-6QX70 (Version AE) Siemens AG
11-26
Compendium Motion Control SIMOVERT MASTERDRIVES
t t
t
T´
b v
tot
v
v
max
Area corresponds to travel distance
Forwards Reverse
t
v
max
t
k
t
p
Fig. 11-13 Travel curve for forwards and reverse travel
It is sufficient to only consider forwards travel because the conditions
are the same for forwards and reverse travel.
♦
The new cycle time is therefore:
T
T
′ =
2
♦
For the remaining values of the travel curve, the following is
obtained:
t t
v
a
s
b v
= = = = max
max
.
.
.
16
6 4
0 25
t
s v
t
v
t
v
s
k
b v
=
− ⋅ − ⋅
=
− ⋅ − ⋅
=
max max
max
.
.
.
.
.
2 2
2 16
0 25
2
16
0 25
2
16
1
t t t t s
tot b k v
= + + = + + =
0 25 1 0 25 15 . . .
t T t s
p tot
= ′− = − =
3 5 15 2 . .
2. Travel curve