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3. Setting
3.6 Setting Menu 5:
Alarm Settings (Setting Upper/Lower Limit Alarm, Motor Starting Current
Mask Function.)
Set the alarm cancel method at generation of alarm. (screen, relay)
Reset method
(Setting value)
Description
(Refer to pages 42 and 43)
Automatic
(Auto)
When there is no alarm generation
condition, alarm is automatically reset.
Manual
(HoLd)
The alarm will continue even when the
alarm generated conditions no longer exist.
It is necessary to execute button operation
to cancel the alarm.
⑥
Alarm cancel method
Note: When all settings for
①
Alarm item 1
and
③
Alarm item 2 to 4
are set to "non," this setting will be skipped.
Set the alarm mask time for when you want to prevent a
momentary overload or noise alarm.
When this is set, an alarm is generated only when the alarm value
over the upper/lower limit alarm value for a longer time than the
delay time. On the setting screen, seconds are indicated by “s”
and minutes are indicated by “min”.
⑤
Alarm delay time
0s
5s
10s
20s
30s
40s
50s
1min
2min
3min
4min
5min
Note
：
When all settings for
①
Alarm item 1
and
③
Alarm item 2 to 4 are set to “non”,
this setting will be
skipped.
Set the alarm value for the upper/lower limit alarm items 2 to 4.
The setting method is the same as
②
Alarm value 1 .
④
Alarm value 2 to 4
Set the measurement element assigned to the upper/lower limit alarm items 2 to 4.
Elements that are set elsewhere cannot be set.
The setting method is the same as
①
Alarm item 1 .
③
Alarm item 2 to 4
Set the alarm value for upper/lower limit alarm element 1. The following table shows
the setting range
.
Measuring element
Setting range
Setting
step(Note)
A, AN upper limit
5 to 100 to 120
（％）
1
％
A lower limit
3 to 10 to 95
（％）
1
％
V (L-N), V (L-L) upper limit
25 to 110 to 135
（％）
1
％
V (L-N), V (L-L) lower limit
20 to 70 to 95
（％）
1
％
W upper limit
-95 to 100 to 120
（％）
1
％
W lower limit
-120 to 3 to 95
（％）
1
％
PF upper limit
-0.05 to 1 to 0.05
0.05
PF lower limit
-0.05 to -0.5 to 0.05
0.05
Hz upper limit
45 to 65
（
Hz
）
1Hz
Hz lower limit
45 to 65
（
Hz
）
1Hz
Note:W show the percentage for the maximum scale value (±0 step).
A, AN shows the percentage for the CT primary current.
"V" shows the percentage for the VT primary voltage (or direct voltage).
(The "V" for 1-phase 3-wire is the percentage for phase to neutral voltage. Alarm
monitoring is executed using twice the value which set upper/lower limit alarm for
the 12-phase and 13-phase.)
②
Alarm value 1
SET
DISPLAY
SET
DISPLAY
SET
DISPLAY
SET
DISPLAY
SET
DISPLAY
