L3447
Emax DC
79/108
Model
Scale
Page No.
Doc. No.
Apparatus
1SDH000635R0002
L3728
14.1.4.3
Measurements Menu table
For the sake of simplicity the table refers to the Measurements menu .
Parameter / Function
Values
Notes
Historicals
Trips
List of trips
Events
Events log
Measurements
Maximum current
Maximum active power
Mean active power
Maximum voltage
Minimum voltage
Reset measurements
Mean power
Energy
Energy meters
Reset meters
Contact wear
Percentage of contact wear
1/7
Trip, measures, log
Energy
Contact wear
Historicals
Measures
14.1.4.4
Measurements Menu
14.1.4.4.1 Historicals
A whole range of measurements is accessible from the "Measurements/Historicals" menu.
14.1.4.4.2 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).
14.1.4.4.3 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.
14.1.4.4.4 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
U Min
- Min line voltage
Reset
- Reset measurements
n. 02
L Protection
I1:
625 A
Jan 06, 2007
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, 2007
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)
14.1.4.4.5 Energy
The unit also provides meter readings of the total active energy of the system. The minimum value that can be displayed is 0.001 MWh .
The energy meters' end of scale is approximately 2.15 billion kWh.
The meter can also be reset by pressing the "Reset meters" key on the menu.
For the ranges and precisions see par.13.2.9.14.
Energy counters
Reset counters
Energy counters
Energy
2
1/2
Energy counters
0 kWh
2/2
Reset counters
Reset counters
Energy counters
Energy
Enter
↵
ESC +
↓
+ Enter
↵
14.1.4.4.6 Contact wear
This submenu shows the percentage of wear on the CB contacts.