Learning Advanced Features
Load tuning is not available while the inverter is operating.
• If the frequencies for AP2-02 (Low Freq) and AP2-08 (High Freq) are set too close to each
other, the resulting load curve may not reflect the actual (ideal) load curve. Therefore, it is
recommended that you keep the AP2-02 and AP2-08 frequencies as close to the factory
defaults as possible.
• If a secondary motor is in use, note that the existing load curve for the main motor will be
applied to the secondary motor unless a load tuning has been performed for the secondary
motor.
5.18 Level Detection
When the inverter is operating at or above the frequency set at PRT-74 (LDT Level), this
function is used to triggers a fault trip or sets a relay output if the source value is out of the
range of the user-defined values. If the reset restart feature is turned on, the inverter
continues to operate based on the run command after the LDT fault trip is released.
Level detection
delay time
Level detection
reference value
Level detection
bandwidth