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Chapter 12. Protective functions
Current
Freq.
During
acceleration
During
constant run
F60
t1 t2
Multi-functi
on output
or relay
DC
voltage
Freq.
During
deceleration
Multi-function
output or relay
12.4 Output phase loss protection
Group
LED
display
Parameter Name
Set
value
Min/Max
setting
Factory
default
Unit
Function
group 2
H19
[Output phase loss
protection select]
1
0/1 0
Set H19 value to 1.
This function turns off the inverter output in the event of more than one phase loss among U, V and
W output.
CAUTION :
Set H33- [Motor rated current] correctly. If the actual motor rated current and the value of H33
are different, this function could not be activated.
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