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E6581301
F-49
6
6.26 Stall prevention function
6.26.1 Power running stall continuous trip detection time
H
HH
H
: Power running stall continuous trip detection time
• Function
A function for preventing lifting gear from failing accidentally. If the stall prevention function is activated in
succession, the inverter judges that the motor has stalled and trips.
[Parameter setting]
Title Function Adjustment range Default setting
H Power running stall continuous trip detection time ~ sec.
Time [s]
Output frequency [Hz]
Time [s]
Output current [%]
H
less than
H
H
“
QV
” trip
6.26.2 Regenerative braking stall prevention mode selection
H
HH
H : Regenerative braking stall prevention mode selection
• Function
A function for preventing lifting gear from stopping in the wrong position. Only the function of preventing a
stall by maintaining the current constant during regenerative braking (deceleration stop) is deactivated.
[Parameter setting]
Title Function Adjustment range Default setting
H
Regenerative braking stall prevention
mode selection
Q:Stall during regenerative braking
:Not stall during regenerative braking
6.26.3 Stall prevention control switching
H
HH
H : Stall prevention control switching
• Function
The operation of the stall prevention control can be switched.
Set
H
=
when the overvoltage trip etc. are
displayed when acceleration and the deceleration are switched.
This parameter is effective at only V/f control mode(
RV
=0,1,5).
[Parameter setting]
Title Function Adjustment range Default setting
H
Stall prevention control switching
Q: Stall prevention control
: Stall prevention control 2