MI 2792 PowerQ4 Plus
Operating the instrument
75
Figure 3.56: Alarms setup screen.
Table 3.82: Description of Alarms setup
1
st
column
(f, P+ on figure above)
Select alarm from measurement group and then
measurement itself.
2
nd
column
(Tot on figure above)
Select phases for alarms capturing
L1 – alarms on phase L
1
;
L2 – alarms on phase L
2
;
L3 – alarms on phase L
3
;
LN – alarms on phase N;
L12 – alarms on line L
12
;
L23 – alarms on line L
23
;
L31 – alarm on line L
31
;
ALL – alarms on any phase;
Tot – alarms on power totals or non phase
measurements (frequency, unbalance).
3
rd
column
( “>” on figure above)
Select triggering method:
< – trigger when measured quantity is lower than threshold
(FALL);
> – trigger when measured quantity is higher than threshold
(RISE);
4
th
column
Threshold value.
5
th
column
Minimal alarm duration. Trigger only if threshold is crossed for
a defined period of time.
Note:
It is recommended that for flicker measurement,
recorder is set to 10 min.
Table 3.83: Keys functions
Clear selected alarm.
Clear all alarms.
Disable or enable alarms.
Note:
Enable alarms only if you want to capture alarms
without recording. In case you want observe alarms only
during recording use option Include active alarms: On
in
RECORDER menu.