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INSTRUCCIONES
Free-run stop [FRS]
• When the terminal [FRS] is turned on, the inverter stops the output and the motor enters the free-run state
(coasting).
If terminal [FRS] is turned off, the output resumes sending power to the motor if the Run command is still
active.
The free-run stop feature works with other parameters to provide flexibility in stopping and starting motor
rotation.
• In the figure below, parameter
or the current motor rotation speed (right graph) when the [FRS] terminal turns off.
The application determines which is the best setting.
Parameter B03 specifies a delay time before resuming operation from a free-run stop.
To disable this feature, use a zero delay time.
[FW,RV]
[FRS]
Moter speed
Option
Terminal
Code
Symbol
9
FRS
Valid for inputs:
Required setting
Notes:
• When you want the [FRS] terminal to be
active low(normally closed logic),
change the setting (C07 to C12) which
corresponds to the input (C01 to C06)
that is assigned the [FRS] function
B16 selects whether the inverter resumes operation form 0Hz (left graph)
Input
Function Name
State
ON
Free-run Stop
OFF
C01,C02,C03,C04,C05,C06
B03, b16, C07 to C12
[FW,RV]
[FRS]
0Hz start
Moter speed
Causes output to turn off, allowing motor to
free run (coast) to stop
Output operates normally, so controlled deceleration
stops motor
Example:
5-10
(B03) wait time
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