Protection Functions - Toshiba TOSVERT VF-S11 Instruction Manual

6.19 Protection functions

6.19.1 Setting motor electronic thermal protection
: Motor electronic thermal protection level 1
173 : Motor electronic thermal protection level 2
: Motor 150%-overload time limit
• Function
This parameter allows selection of the appropriate electronic thermal protection characteristics
according to the particular rating and characteristics of the motor.
Parameter setting
Title
f173
For more details, see 5.13.
Note. The 100% standard value is the rated output current indicated on the nameplate.
6.19.2 Setting current stall
: Stall prevention level 1
: Stall prevention level 2
• 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
This parameter adjusts the output frequency by activating a current stall prevention function against
a current exceeding the
Parameter setting
Title
Stall prevention level 1
Stall prevention level 2
Function
Motor electronic thermal protection
level 1
Motor electronic thermal protection
level 2
Motor 150%-overload time limit
Caution
-specified level.
Function
F-61
Adjustment range
10-100 (%) / (A)
10-100 (%) / (A)
10-2400 (s)
) extremely low.
) is set at or below the no-load current of the motor, the
) below 30% under normal use conditions.
Adjustment range
10-199 (%) / (A),
200: Deactivated
E6581158
Default setting
100
100
6
300
Default setting
150