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Ecowatt
®
Drive K120 series
Function
Name
code
Multi-step
P10.37
time unit
selection
P11 group Protection parameters
Function
Name
code
Phase loss
P11.00
protection
Frequency
drop at
P11.01
transient
power-off
Frequency
drop ratio
P11.02
at
transient
power-off
0: Second; the running time of each step is
counted in seconds;
1: Minute; the running time of each step is
counted in minutes.
0x00–0x11
Ones place:
0: Disable input phase loss protection
1: Enable input phase loss protection
Tens place:
0: Disable output phase loss protection
1: Enable output phase loss protection
0: Enable
1: Disable
Setting range: 0.00Hz/s–P00.03 (max. output
frequency)
After the grid powers off, the bus voltage
drops to the frequency drop point at transient
power-off, the VFD begins to decrease the
running frequency based on P11.02, to make
the
motor
generate
returning power can maintain the bus
voltage to ensure a rated running of the VFD
until the VFD is powered on again.
Voltage degree
Frequency drop
point at transient
power-off
Note:
Adjust the parameter properly to avoid
the stopping caused by VFD protection
during the switching of the grid.
Disable the input phase loss protection
before enabling this function.
Description
Description
power
again.
220V
380V
260V
460V
-100-
Function parameter list
Default
0
Default
11
0
The
10.00Hz/s
660V
800V
Modify
◎
Modify
○
○
○
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