MI 2892 Power Master
Operating the instrument
81
Table 3.72: Instrument screen symbols and abbreviations
Date
Date when selected alarm has occurred
Start
Selected alarm start time (when first U
Rms
value cross threshold)
L
Indicate phase or phase-to-phase voltage where event has occurred:
1 – alarm on phase L
1
2 – alarm on phase L
2
3 – alarm on phase L
3
12 – alarm on line L
12
23 – alarm on line L
23
31 – alarm on line L
31
Slope
Indicates alarms transition:
Rise – parameter has over-crossed threshold
Fall – parameter has under-crossed threshold
Min/Max
Minimal or maximal parameter value during alarm occurrence
Duration
Alarm duration.
Table 3.73: Keys in Alarms table screens
Filters alarms according to the following parameters:
UIF C. Pwr F. Pwr NF. Pwr
Flick Sym H iH Sig Temp
All alarms.
UIF
C. Pwr F. Pwr NF. Pwr
Flick Sym H iH Sig Temp
Voltage alarms.
UIF
C. Pwr
F. Pwr NF. Pwr
Flick Sym H iH Sig Temp
Combined power alarms.
UIF C. Pwr
F. Pwr
NF. Pwr
Flick Sym H iH Sig Temp
Fundamental power alarms.
UIF C. Pwr F. Pwr
NF. Pwr
Flick Sym H iH Sig Temp
Nonfundamental power alarms.
UIF C. Pwr F. Pwr NF. Pwr
Flick
Sym H iH Sig Temp
Flicker alarms.
UIF C. Pwr F. Pwr NF. Pwr
Flick
Sym
H iH Sig Temp
Unbalance alarms.
UIF C. Pwr F. Pwr NF. Pwr
Flick Sym
H
iH Sig Temp
Harmonics alarms.
UIF C. Pwr F. Pwr NF. Pwr
Flick Sym H
iH
Sig Temp
Interharmonics alarms.
UIF C. Pwr F. Pwr NF. Pwr
Flick Sym H iH
Sig
Temp
Signalling alarms.
UIF C. Pwr F. Pwr NF. Pwr
Flick Sym H iH Sig
Temp
Temperature alarms.
Filters alarms according to phase on which they
occurred:
1
2 3 N 12 23 31 T
Shows only alarms on phase L1.
1
2
3 N 12 23 31 T
Shows only alarms on phase L2.
F2
F3
