Chapter 4 Parameters
4-127
search will start from the speed that is detected by the encoder and accelerate quickly
to the commanded frequency. The output current is set by the Pr.07-09.
In PG control mode, the AC motor drive will execute the speed search function
automatically by the PG speed when this setting isn’t set to 0.
07-13 Decel. Time Selection for Momentary Power Loss (DEB function)
Control
mode
VF VFPG SVC FOCPG TQCPG
Factory Setting: 0
Settings 0 Disable
1 1st decel. time
2 2nd decel. time
3 3rd decel. time
4 4th decel. time
5 Current decel. time
6 Auto decel. time
This parameter is used for the decel. time selection for momentary power loss.
07-14 DEB Return Time Unit: 0.1
Control
mode
VF VFPG SVC FOCPG
Factory Setting: 0.0
Settings 0.0 to 25.0 sec
The DEB (Deceleration Energy Backup) function is the AC motor drive decelerates to
stop after momentary power loss. When the momentary power loss occurs, this
function can be used for the motor to decelerate to 0 speed with deceleration stop
method. When the power is on again, motor will run again after DEB return time.
Status 1: Insufficient power supply due to momentary power-loss/unstable power (due
to low voltage)/sudden heavy-load
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