L2234
Emax
117/158
Model
Scale
Page No.
Doc. No.
Apparatus
1SDH000460R0002
L2778
Peak
Peak value/rms value
factor
available in self-supply mode
Mains
50-60Hz
Measured value
frequency
available in self-supply mode
Contact wear
Percentage of contact wear
Waveforms
Current I1/I2/I3/Ne
Refresh
Harmonics
Voltage 12/23/31
Refresh
Harmonics
1/7
Trip, measures, log
Power factor
Energy
Historicals
Measures
15.1.5.4 Measurements Menu
15.1.5.4.1
Historicals
A whole range of measurements is accessible from the "Measurements/Historicals" menu.
15.1.5.4.2 Trips
The following is an example of a page showing the latest trip. You can access said page by selecting Trips via the path Measurements / Historicals
/ Trips. The page shows the values for the type of protection that has been tripped (L in the example).
15.1.5.4.3 Events
The following table shows a typical page concerning the latest events Log. You can access said page by selecting Events via the path Measurements
/ Historicals / Events.
15.1.5.4.4 Measurements
This menu is for showing the following measurements:
I Max
-
Maximum current
P Max
- Maximum active power
P Mean
- Mean active power
U Max
- Max line voltage (phase-to-phase)
U Min
- Min line voltage (phase-to-phase)
Reset
- Reset measurements
n. 02
L Protection
I1:
625 A
I3:
623 A
I2:
617 A
Ne: > 10.0 kA
Jan 06, 2004
08:52:11:733
Last Trip
Time (in hours and minutes) when CB opened
Meter: counts progressively (0 … 65,535) as of the date
of the latest trips reset. It shows the latest 20 trips which
can still be selected.
n. 01
Vaux On
1
Jan 10, 2004
08:52:11:733
Events Log
Meter: indicates "Last" and measures the previous ones
according to a -1, -2 up to -80 progression (e.g. second-
last -1)
15.1.5.4.5 Power factor
The unit provides the measurement of the global power factor. For phase power under 2% (0.02xPn
phase
)
the value is not displayed, but is replaced by ‘…..’.
Measured Cos
j
- - -
Power factor