Toshiba Tosvert VF-AS1 - Manual (Page 158)

E6581301
F-46
6
6.26 Stall prevention function
6.26.1 Power running stall continuous trip detection time
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 : 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 and voltage 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
6.27 Current and speed control gain
H ~ H : Current and speed control gain
⇒ For details, refer to Instruction Manual (E6581333) specified in Section 6.41.