Deb Function; Deb Return Time - Delta Electronics AC Motor Drive VFD-E User Manual

Chapter 4 Parameters|
to lower the freqeuency command by PLC or the host controller. On the other hand, it can be
high-speed operation.

DEB Function

08.24
Settings

DEB Return Time

08.25
Settings
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. (for high-speed axis application)
Status 1: Insufficient power supply due to momentary power-loss/unstable power (due to low
voltage)/sudden heavy-load
DC BUS voltage
The level for DEB return time
(Lv=+30V+58V)
The level for soft start relay to be ON
(Lv+30)
Soft start relay at
power side
DEB function is activated
Output frequency
Pr.07-13 Decel. time selection for
momentary power loss
DEB return time
NOTE
When Pr.07-14 is set to 0, the AC motor drive will be stopped and won't re-start
at the power-on again.
Status 2: unexpected power off, such as momentary power loss
4-110
0 Disable
1 Enable
0~250 sec
Lv level
it doesn't need
multi-function terminals
07-14
Revision June 2008, 04EE, SW--PW V1.11/CTL V2.11
Factory Setting: 0
Unit: 1
Factory Setting: 0