Omron SYSDRIVE 3G3FV - Page 334

7-46
H Stall Prevention: L3
Para
meter
Name
Description Setting
range
Default
setting
Chan-
ges
Control mode
Page
meter
No.
Display
name
range setting ges
during
opera-
tion
V/f
control
V/f
with
PG
Open
loop
vector
Flux
vector
L3-01
Stall pre -
vention dur -
ing accel -
eration
0: Disabled (Acceleration as
set. With a large load, the
motor may stall.)
1: Enabled (Acceleration
stopped when L3-02 level is
exceeded. Acceleration
starts again when the
current is returned.)
0 to 2 1 NO B B B X 6-101
StallP Ac -
cel Sel
current
is
returned
.
)
2: Intelligent acceleration
mode (Using the L3-02 level
as a basis, acceleration is
automatically adjusted. Set
acceleration time is
disregarded.)
L3-02
Stall pre -
vention lev -
el during
accelera-
tion
Ef fective when L3-01 is set to 1
or 2. Set as a percentage of
Inverter rated output current.
Note: Usually setting is not nec -
essar
y
. The default set -
0 to
200
150 NO B B B X 6-101
StallP Ac -
cel Lvl
essary
.
The
default
set -
ting reduces the set val -
ues when the motor stalls.
L3-03
Stall pre -
vention lev -
el during
accelera-
tion
Sets the lower limit for stall
prevention during acceleration,
as a percentage of the Inverter
rated output current, when
operation is in the frequency
range above the maximum
l f (E )
0 to
100
50 NO A A A X 6-101
StallP CHP
Lvl
range
above
the
maximum
voltage frequency (E1-06.)
Note: Usually setting is not nec -
essary.
L3-04
Stall pre -
vention dur -
ing decel -
eration
0: Disabled (Deceleration as
set. If deceleration time is
too short, a main circuit
overvoltage may result.)
1: Enabled (Deceleration is
stopped when the main
circuit voltage exceeds the
overvoltage level.
Deceleration restarts when
voltage is returned.)
2: Intelligent deceleration
mode (Deceleration rate is
automatically adjusted so
that in Inverter can
decelerate in the shortest
0 to 3 1 NO B B B B 6-102
StallP De -
cel Sel
d
ece
l
era
t
e
i
n
th
e s
h
or
t
es
t
possible time. Set
deceleration time is
disregarded.)
3:
Enabled (Stall prevention
using a braking resistance
device or Braking Resistor
Unit)
Note: When a braking option
(braking resistance de -
vice, Braking Resistor
Unit, or Braking Unit) is
used, always set to 0 or 3.
Parameter Lists Chapter 7