3
K
KK
K Changing
Stall
Prevention
Level
during
Operation
Using
an
Analog
Input
If
you
set
H3-09
(Multi-function
Analog
Input
Terminal
A2
Function
Selection)
to
8
(stall
prevention
during
operation
level),
you
can
change
the
stall
level
during
operation
by
setting
H3-10
(Gain
(Terminal
A2))
and
H3-11
(Bias
(Terminal
A2)).
The
stall
prevention
level
during
operation
enabled
is
the
multi-function
analog
input
terminal
A2
input
level
or
the
set
value
in
parameter
L3-06,
whichever
is
the
smaller.
Fig 6.37 Stall Prevention Level during Operation Using an Analog Input
K
KK
K Detecting
Motor
Torque
If
an
excessive
load
is
placed
on
the
machinery
(overtorque)
or
the
load
is
suddenly
lightened
(undertorque),
an
alarm
signal
can
be
set
to
multi-function
output
terminal
M1-M2,
M3-M4/P1-PC,
or
M5-M6/P2-PC.
To
use
the
overtorque/undertorque
detection
function,
set
B,
17,
18,
19
(overtorque/undertorque
detection
NO/
NC)
in
one
of
the
following
parameters:
H2-01
to
H2-03
(selects
functions
for
multi-function
output
terminals
M1-M2,
M3-M4/P1-PC,
or
M5-M6/P2-PC).
The
overtorque/undertorque
detection
level
is
the
current
level
(Inverter
rated
output
current
100%)
in
V/f
control,
and
the
motor
torque
(motor
rated
torque
100%)
in
vector
control.
INFO
If the motor capacity is smaller than the Inverter capacity or the motor stalls when operating at the factory set-
tings, lower the stall prevention level during operation.
Stall prevention level during operation
Multi-function analog input
terminal A2 input level
(4 mA)(8.8 mA) (20 mA)
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