Protection Functions - Toshiba TOSVERT VF-S11 Instruction Manual

6.19 Protection functions

6.19.1 Setting motor electronic thermal protection
• Function
For more details, see 5.13.
6
6.19.2 Setting current stall
• Do not set the stall prevention level (
If the stall prevention level parameter (
stall preventive function will be always active and increase the frequency when it judges that
Prohibited regenerative braking is taking place.
Do not set the stall prevention level parameter (
• Function
Parameter setting
: Motor electronic thermal protection level 1
: Motor 150%-overload time limit
This parameter allows selection of the appropriate electronic thermal protection characteristics
according to the particular rating and characteristics of the motor.
Parameter setting
Title Function
Motor electronic thermal protection
level 1
Motor 150%-overload time limit
: Stall prevention level 1
: Stall prevention level 2
This parameter adjusts the output frequency by activating a current stall prevention function against
a current exceeding the
Title Function
Stall prevention level 1
Stall prevention level 2
Adjustment range
10-100 (%)
10-2400 [sec]
Caution
) extremely low.
) is set at or below the no-load current of the motor, the
) below 30% under normal use conditions.
-specified level.
Adjustment range
10-199 (%),
200: Deactivated
F-60
E6581158
Default setting
100
300
Default setting
150