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VF-FS1 Industrial Inverter - Toshiba

VF-FS1 Industrial Inverter - Toshiba

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2) Restarting motor during coasting (Motor speed search function)<br />

Motor speed<br />

F or R command<br />

F-35<br />

ON<br />

OFF<br />

E6581381<br />

ON<br />

ST command<br />

OFF<br />

Setting to or : This function operates after the ST terminal connection has been OFF first and<br />

then ON again.<br />

Note: The terminal function ST needs to be assigned to an input terminal, using the parameters<br />

~3 , .<br />

3) Motor speed search at starting<br />

When is set to , a motor speed search is performed each time operation is started.<br />

This function is useful especially when the motor is not operated by the inverter but it is running because of<br />

external force.<br />

Warning!!<br />

• At restart, it takes about 300 ms for the inverter to check to see the number of revolutions of the<br />

motor.<br />

For this reason, the start-up takes more time than usual.<br />

• Use this function when operating a system with one motor connected to one inverter.<br />

This function may not operate properly in a system configuration with multiple motors connected to<br />

one inverter.<br />

6

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