126 ADV200 • Functions description and parameters list
Example 4) Restart and mains supply restored
The drive controls a deceleration with the ramp set in Powerlossdeceltime.
The drive automatically controls the DC link voltage and prevents the Overvoltage alarm.
If the mains supply is restored and the MainsvoltageOK signal is applied, the drive immediately stops the decel-
eration ramp and executes the acceleration ramp set in Powerlossacceltime to pass to the set reference.
Power supply
The mains supply is restored while the function is enabled
Speed ref
Speed
Speed
Speed ref
Drv enable
Vdc
Powerloss
Next active
Powerloss
Ramp down
Powerloss
Next ratio
PowerLoss_05.vsd
Restart and mains supply restored
The drive switches itself off
if the power supply is not restored
Detection possible when the external sensor detects
that the mains supply has been restored
Menu PAR Description UM Type FB BIT Def Min Max Acc Mod
22.9.8 3440Powerlossmainssrc LINK 16 6000 0 16384 ERWZ F__
This parameter is used to select the origin (source) of the MainsvoltageOK signal. The signal to be associ-
ated with this function can be selected from the “L_DIGSEL2” selection list.