Mitsubishi MELSEC-K Instruction Manual page 30

7-1-1 A c c e l e r a t i o n / d e c e l e r a t i o n time
This f'unction t h e time from t h e beginning o f e x e c u t i o n u n t i l
t h e speed r e s t r i c t i o n v a l u e s s e t by parameters a r e reached.
Pa rame te r speed,
r e s't r i c ti o n va
i
ue
/
Positioning
" " A 1 1 1 \
time
acceleration Actua
decel
Actual
time
1
erati
Set Set
acceleration
time time
deg e 1 e
r
a t io n
Fig. 7.1
A c c e l e r a t i o n / d e c e l e r a t i o n
speed
on time
time
1) Acceleration time and deceleration time are identical
and cannot be set separately.
$
2) Fixed control of acceleration and deceleration i s performed;
if a positioning speed'slower than the parameter speed is set, the
acceleration time will be proportionally shorter.
7-1-2 Torque restriction
This f'untion clamps t h e s e t v a l u e of troque g e n e r a t e d by e l e c t r i c
motors w i t h i n a range o f
10-250%.
I t i s used f o r c o n t r o l l i n g
servo motors a t a torque e q u i v a l e n t t o
or less t h a n t h e
p r e s e t value.
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