Toshiba TOSVERT VF-AS3 Instruction Manual page 343

6. 24. 3 Detecting the stall time during power running to trip
<F452: Stall detection time during power running>
<F441: Power running torque limit level 1>
<F601: Stall prevention level 1>
■ Function
This function is one of the functions to prevent lifting gear from falling. If stall prevention operation
occurs in succession, this function judges that the motor has stalled to trip it.
■ Parameter setting
Title Parameter name
F452 Stall detection time
during power running
F441 Power running torque
limit level 1
F601 Stall prevention level 1
■ Setting method
1) In case of overcurrent stall
If, during power running, the output current reaches the value for <F601: Stall prevention level
1> or more, and continues for the period of time set for <F452: Stall detection time during
power running>, the trip "Ot2" will occur.
Adjustment range
0.00-10.00
0.0-249.9
250.0: Disabled
10-200 (HD)
10-160 (ND)
Output frequency (Hz)
Output current (%)
<F601>
Below
<F452>
<F452>
6-101
STOP 0.0Hz
F452 : Power stall detection time
0.00
Min: 0.00 Max: 10.00
X1000 X100 X10
Unit
s
%
%
"0t2" Trip
Time (s)
Time (s)
6. [Advanced] How to use parameters
E6582062
13:45
s
X1
3
4
Default setting
6
0.00
250.0
150(HD)
120(ND)
9