Toshiba VF-FS1 - Manual (Page 128)

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2) Restarting motor during coasting (Motor speed search function)
Motor speed
F or R command
ON
OFF
ST command
ON
OFF
+ Setting H to or : This function operates after the ST terminal connection has been OFF first and
then ON again.
Note: The terminal function ST needs to be assigned to an input terminal, using the parameters H to
H .
3) Motor speed search at starting
When H is set to , a motor speed search is performed each time operation is started.
This function is useful especially when the motor is not operated by the inverter but it is running because of
external force.
Warning!!
• At restart, it takes about 300 ms for the inverter to check to see the number of revolutions of the
motor.
For this reason, the start-up takes more time than usual.
• Use this function when operating a system with one motor connected to one inverter.
This function may not operate properly in a system configuration with multiple motors connected to
one inverter.