YASKAWA Varispeed L7 User Manual

User Parameter Tables
4-35
4
Stall Prevention: L3
Param-
eter
Number
Name
Description
Setting
Range
Factory
Setting
Change
during
Opera-
tion
Control Methods
MEMO-
BUS
Register
Page
V/f
Open
Loop
Vector
Closed
Loop
Vector
Display
L3-01
Stall preven-
tion selec-
tion during
accel
0: Disabled (Acceleration as
set. With a heavy load, the
motor may stall.)
1: Enabled (Acceleration
stopped when L3-02 level
is exceeded. Acceleration
starts again when the
current has fallen below the
stall prevention level).
2: Intelligent acceleration
mode (Using the L3-02
level as a basis,
acceleration is
automatically adjusted. The
set acceleration time is
disregarded.)
0 to 2 1 No A A No 48FH 5-21
StallP Accel
Sel
L3-02
Stall preven-
tion level
during accel
Sets the stall prevention during
acceleration operation current
level as a percentage of
Inverter rated current.
Effective when L3-01 is set to
1 or 2.
Usually changing this setting is
not necessary. Reduce the set-
ting when the motor stalls.
0 to 200
150%
*
No A A No 490H 5-21
StallP Accel
Lvl
L3-05
Stall preven-
tion selec-
tion during
running
Selects the stall prevention
during running.
0: Disabled (Runs as set. With
a heavy load, the motor
may stall.)
1: Deceleration using
deceleration time 1
(C1-02.)
2: Deceleration using
decelerationtime 2 (C1-04.)
0 to 2 1 No A No No 493H 5-34
StallP Run
Sel
L3-06
Stall preven-
tion level
during run-
ning
Set the stall prevention during
running operation current level
as a percentage of the Inverter
rated current.
Effective when L3-05 is 1 or 2.
Usually changing this setting is
not necessary.
Reduce the setting when the
motor stalls.
30 to
200
150% No A No No 494H 5-34
StallP Run
Level
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YASKAWA Varispeed L7 Specifications

General

Brand	YASKAWA
Model	Varispeed L7
Category	Inverter
Language	English