degdrive DGI900, Руководство пользователя

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warning is performed before motor overload. The larger the value is, the less advanced the
pre-warning will be.
When the accumulative output current of the AC drive is greater
than the value of the overload inverse time-lag curve multiplied by
PA.02, the DO terminal on the AC drive allocated with function 6
(Motor overload pre-warning) becomes ON.
PA.03 Over voltage stall gain Setting Range
：
0~100 0
PA.04 Over voltage stall protective
voltage
Setting Range
：
120%~150%
130%
When the DC bus voltage exceeds the value of PA.04 (Overvoltage stall protective voltage)
during deceleration of the AC drive, the AC drive stops deceleration and keeps the present
running frequency. After the bus voltage declines, the AC drive continues to decelerate.
PA.03 (Overvoltage stall gain) is used to adjust the overvoltage suppression capacity of the
AC drive. The larger the value is, the greater the overvoltage suppression capacity will be.
In the prerequisite of no overvoltage occurrence, set PA.03 to a small value.
For small-inertia load, the value should be small. Otherwise, the system dynamic response
will be slow. For large-inertia load, the value should be large. Otherwise, the suppression
result will be poor and an overvoltage fault may occur.