48
Power Quality Analyzer Model 8335
4.3.9 Alarm Mode Configuration
The
screen defines the alarms used by the
Alarm Mode
function (see § 8).
You can configure 40 different alarms.
Figure 4-14
•
There are five user-defined parameters. At first, they will be listed as a
question mark “
?
” Select the line you want to modify using the
▲ and ▼
buttons, then press the
button to confirm.
•
Use the
▲ and ▼
buttons to browse and select the value, then press the
button to confirm the choice.
•
To navigate horizontally, use the
◄ and ► buttons, then confirm with
. Select
the values with the
▲ and ▼ buttons, then confirm with
.
For each alarm to define, select:
• The type of alarm (Vah, Ah, Uh, Vh, Tan, PF, DPF, VA, VAR, W, Athd,
Uthd, Vthd, KF, Hz, Aunb, Vunb, Vrms, Acf, Ucf, Vcf, PST, Arms, Urms
and Vrms).
• The harmonics range (between 0 and 50 for Vah, Ah, Uh and Vh).
• The alarm filter (3L: 3 individually monitored phases or N: monitoring
neutral or Sigma/2 or Sigma/3 or Sigma).
• The meaning of the alarm (> or < for Arms, Urms, Vrms, Hz only,
otherwise the direction is unique).
• The threshold for triggering the alarm (10 possible settings of the alarm
in the following cases: W, VAR and VA).
• The minimum duration for exceeding alarm validation threshold (in
minutes, seconds, or for Vrms, Urms and Arms, in hundredths of
seconds).
• The hysteresis value (corresponds to the percentage added or taken
away from the alarm threshold chosen that will stop the alarm in the
event of overrun - Value 1, 2, 5 or 10%).
• Activating the alarm (read item) or deactivating it.
Shop for AEMC products online at:
1.877.766.5412
www.
PowerMeterStore
.ca
