Hitachi L2002 Instruction Manual page 114

3–34
"B" Group: Fine Tuning Functions
Instantaneous Power Failure / Under-voltage Alarm
Use parameter B004 to disable or enable the instantaneous power failure / undervoltage
alarm. When the alarm is enabled, parameter settings B001 (Selection of Automatic
Restart Mode) and B002 (Allowable Under-voltage Power Failure Time) are not valid.
Func.
Code SRW Display
B001 Selection of automatic
restart mode
IPS POWR
B002 Allowable under-
voltage power failure
time
IPS Time 0001.0s
B003 Retry wait time before
motor restart
IPS Wait 0001.0s
B004 Instantaneous power
failure / under-voltage
trip alarm enable
IPS TRIP
B005 Number of restarts on
power failure / under-
voltage trip events
IPS RETRY
"B" Function
Name /
Select inverter restart method,
four option codes:
00... Alarm output after trip,
ALM
no automatic restart
01... Restart at 0Hz
02... Resume operation after
frequency matching
03... Resume previous freq.
after freq. matching, then
decelerate to stop and display
trip info.
The amount of time a power
input under-voltage can occur
without tripping the power
failure alarm. Range is 0.3 to
25 sec. If under-voltage exists
longer than this time, the
inverter trips, even if the restart
mode is selected.
Time delay after under-voltage
condition goes away, before
the inverter runs motor again.
Range is 0.3 to 100 seconds.
Two option codes:
00... Disable
01... Enable
OFF
Two option codes:
00... Restart 16 times
01... Always restart
16
Run
Mode
Edit
Description
Lo Hi
✘ ✔
✘ ✔
✘ ✔
✘ ✔
✘ ✔
Defaults
–FE(F) –FU
Units
(EU) (USA)
00 00 —
1.0 1.0 sec.
1.0 1.0 sec.
00 00 sec.
00 00 sec.