LS ELECTRIC SV-iS7 Series, User Manual

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Basic Functions
188
overvoltage fault trip may occur.
• Note that if a free run stop is used, the actual deceleration time may be longer than the preset
deceleration time.
7.18 Frequency Limit
The operation frequency can be limited by setting a maximum frequency, start frequency,
upper limit frequency, and lower limit frequency.
7.18.1 Frequency Limit Using Maximum Frequency and Start
Frequency
Group Code Name LCD Display Parameter Setting Setting Range Unit
DRV
19 Start frequency Start Freq 0.50 0.01 – 10.00 Hz
20 Maximum frequency Max Freq 60.00 40.00 – 400.00 Hz
Frequency Limit Using Maximum Frequency and Start Frequency - Setting Details
Code Description
DRV-19 Start Freq
Sets the lower limit value for all speed unit parameters that are expressed in
Hz or rpm. Any operation frequency input that is lower than the start
frequency is treated as a 0 Hz input.
DRV-20 Max Freq
Sets an upper limit frequency to all speed unit parameters that are expressed
in Hz or rpm, except for the base frequency (DRV-18). An operation frequency
cannot be set higher than the maximum frequency.
7.18.2 Frequency Limit Using Upper and Lower Limit Frequency
Values
Group Code Name LCD Display Parameter Setting Setting Range Unit
ADV 24 Frequency limit Freq Limit 0 --- No ---- No/Yes -