Setting A Frequency Command To 0 Hz Securely - Toshiba TOSVERT VF-AS3 Instruction Manual

Reference
6. 7. 3
<F244: 0 Hz dead band>
4
4
■ Function
6
Set the frequency command to 0 Hz when it is under the setting value of <F244: 0 Hz dead band>.
This function is used to securely set the frequency command to 0 Hz in the following case: although
an analog signal is set to 0 Hz in order to use the vector control with a sensor to fix the motor shaft,
it does not become 0 Hz due to a drift or offset.
■ Parameter setting
9
Title
F244
Memo
6. [Advanced] How to use parameters
• How to operate the operation panel -> Refer to [3. 1. 1].
• How to switch display mode on the operation panel -> Refer to [3. 1. 2].
• Procedure to change parameter setting -> Refer to [4. 2. 3]

Setting a frequency command to 0 Hz securely

Parameter name
0 Hz dead band
Output value after processing
frequency command dead band
<F244>
0Hz
• This function is invalid for a preset speed frequency command.
• It is valid for frequency commands which are prioritized in <FMOd: Frequency command
selection 1>, <F207: Frequency command selection 2>, and communications.
• For the override function, values are added or multiplied for frequencies with this function
enabled.
F244 : 0 Hz dead band
Min: 0.0
X1000
Adjustment range
0.0 - 5.0
Frequency command value
6-34
E6582062
STOP 0.0Hz
13:03
0.0
Hz
Max: 5.0
X100 X10 X1
Unit Default setting
Hz 0.0