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C r - . s i, F - 5 b, F - e n – Toshiba Tosvert VF-A5 User Manual

Page 70: Start-up frequency, End frequency

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C r - . S i

r —

(Special Control Parameters)

F - 5 b

Start-up frequency

F - E n

End frequency

Related parameters

F - 5 t

Start-up frequency

F - E n

End frequency

These settings are used when the starting torque response delays influence the acceleration/deceleration times.

Normal settings of these parameters are from 0.5 to 2Hz, and should be kept less than 5Hz. Overcurrent can

be avoided by keeping the frequency less than the motor rated slip amount

During start-up ... The |

F

-

S f c

frequency setting is instantaneously output

During stopping ... The output frequency is instantaneously changed to OHz when the |

F - E n I

frequency

setting is reached.

Start-up frequency |

F

-

5 E~1

> End frequency |

F

-

E n

Start-up frequency |

F

-

5 E l

< End frequency |

F

-

E n

* Avoid this setting as chattering will occur.

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