LSIS 6731001500, User Manual

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Learning Basic Features
4.14.2 Auto Torque Boost
Set DRV-15 to ‘Auto 1’ or ‘Auto 2’ to select the type of torque boost. While manual torque boost
adjusts the inverter output based on the setting values regardless of the type of load used in the
operation, auto torque boost enables the inverter to automatically calculate the amount of output
voltage required for torque boost based on the entered motor parameters. Because auto torque
boost requires motor-related parameters such as stator resistance, inductance, and no-load
current, auto tuning (BAS-20) has to be performed before auto torque boost can be configured.
Similarly to manual torque boost, configure auto torque boost while running a load that requires
high starting torque, such as lift-type loads. Refer to
5.21 Auto Tuning
on page
219 .
4.14.3 Auto Torque Boost 2 (No Motor Parameter Tuning Required)
By adjusting the auto torque boost voltage gain set at DRV-15 (ATB Volt Gain), automatic torque
boost may be operated without tuning the motor-related parameter values. The DRV-15 (ATB Volt
Gain) value is used to adjust the amount of compensation required for each load. It prevents stalls
or overcurrent fault trips at start up.
Group Code Name LCD Display Parameter Setting Setting Range Unit
DRV 15 torque boost mode Torque Boost 1 Auto 1 0–2 -
BAS 20 auto tuning Auto Tuning 3 Rs+Lsigma 0–3 -
Group Code Name LCD Display Settings Setting Range Unit
DRV 15
Torque boost
mode
Torque Boost 2 Auto 2 0–2 -
CON 21
Auto torque boost
filter gain
ATB Filt Gain 10 1 - 9999 msec
CON 22
Auto torque boost
voltage gain
ATB Volt Gain 100.0 0 - 300.0 %