I
Jump
frequencies
(n56 to n59)
.]
This function
allows
the prohibition
or "jumping"
of critical
frequencies
so
that the motor
can operate
without
resonance
caused
by machine
systems.
This function
is also used for dead band control.
Setting the value to 0.0Hz
disables
this function.
Set prohibited
frequency
l, 2 or 3 as follows :
OUTPUT FREQUENCY
ns7 ' ' !
n56 _'n57 > n58
._
,
It this condition is not satisfied
/
y-_.,9
the inverter displays Et-t-
for
,,fl !.__ ns9
one minute and restores the
It/ _,t.t,_ n
data to original settings.
FREQUENCY
REFERENCE
Continuing
operation
by automatic
fault
reset
(n60)
Sets the inverter
to restart
and reset fault detection
after a fault occurs.
The number
of self-diagnosis
and retry attempts
can be set at n60 up to 10.
The inverter will automatically
restart after the following
faults occur :
• OC (overcurrent)
• OV (overvoltage)
The number
of retry attempts
are cleared
to 0 in the following
cases
:
( 1) If no other
fault occurs
within
10 minutes
after retry
(2) When the fault reset signal is ON after the fault is detected
(3) Power supply
is turned
OFF
38