1. Specifications Check
23
3) From the load ratio LF and the acceleration/deceleration time ratio t
od
that were used to figure out the
duty ratio, read the duty ratio.
e.g.) When the load ratio LF = 80% and the acceleration/deceleration time ratio t
od
= 80%, the
reference for the duty is approximately 75%.
0
20
40
60
80
100
0
20
40
60
80
100
LF = 60%
LF
LF
LF
LF
= 70%
= 80%
= 90%
= 100%
R
ef
er
en
ce
d
ut
y (
%
)
Approx.
75%
LF
= Less than 50%
Acceleration/deceleration time ratio t
od
(%)
Load
fa
ct
or
(%)
