Toshiba TOSVERT VF-AS3 Instruction Manual page 280

6. 8. 2
<F254: Motor shaft fixing control>
■ Function
Use DC braking to temporarily fix the motor shaft.
4 This function is used to avoid the free rotation of the motor or to preheat the motor.
■ Parameter setting
4
Title
6
F254
■ Selecting a setting value
1: Enabled
Continue to apply DC braking at half the DC braking amount specified with <F251: DC braking
current> after the normal DC braking action.
9
During shaft fixing control, "dbOn" appears on the LCD screen.
<F250: DC braking start frequency>
■ How to use
To perform motor shaft fixing control, set <F254: Motor shaft fixing control> to 1.
To cancel it, turn OFF standby (ST signal).
6. [Advanced] How to use parameters
Fixing the motor shaft with DC braking
Parameter name
Motor shaft fixing control
Output frequency (Hz)
Setting frequency
0
Output current (A)
0
Run signal between [F]-[CC]
Standby signal
between [ST]-[CC]
F254 : Motor shaft fixing control
0: Disabled
1: Enabled
Adjustment range
0: Disabled
1: Enabled
LED display indication
"db" displayed
<F252>
6-38
E6582062
STOP 0.0Hz
13:07
Default setting
0
"db0n" displayed
Time (s)
<F251>
2
ON
OFF
ON
OFF