7 Advanced Settings
7 - 66
High-function General-purpose Inverter RX2 Series User’s Manual
Parameter
Precautions for Correct Use
For the retry function, see 8-2 Tripless Functions on page 8-40 as well.
(Ex.1) Power recovery within Allowable instantaneous power failure time [bb-25]
t0: Instantaneous power failure time
t1: Allowable instantaneous power failure time [bb-25]
t2: Retry wait time [bb-26]
(Ex.2) Power recovery after Allowable instantaneous power failure time [bb-25]
Item Parameter Data Description
Default
data
Restart frequency
threshold
[bb-42]
0.00 to
590.00(Hz)
When the detected value is equal to or lower
than the set value, the inverter restarts with 0
Hz.
0.00
When Instantaneous Power Failure/Under-voltage Occurs
[bb-24]=01
Item Parameter Data Description
Default
data
Selection of restart
mode @Instanta-
neous power fail-
ure/ under-voltage
trip
[bb-24] 01 Performs frequency matching restart. 01
Allowable
under-voltage
power failure time
[bb-25] 0.3 to 25.0(s)
Restarts the motor if it is within the allowable
time.
1.0
Retry wait time
before motor
restart
[bb-26] 0.3 to 100.0(s) Sets the wait time after the power recovery. 0.3
t0
t2
t1
[bb-42]
Free-running
Restarting with frequency matching
Power supply
Inverter output
Motor speed
t1
T0
[bb-42]
Free-running
Power supply
Inverter output
Motor speed