Configuration
28
Power Analyzer NORMA 4000, NORMA 5000
EO1111G REV G
The synchronisation source determines the frequency on which
the analysis is based. In factory configuration
1:W3
, the
synchronisation source is
U1
, as this signal tends to be reliable in
most cases.
The following options are available:
-
Input at device (channel 1 ... 6), current or voltage
respectively (U1 ... U6, I1 ... I6)
-
Ext
for external synchronisation signal (connection to port
for external synchronisation signal)
-
OFF
, if no synchronisation source is used (e.g. measuring
of direct current)
+
Note
To measure the start-up of a machine, you might opt for an external
synchronisation signal (0,2Hz to sample rate, max. 50V), as there is
otherwise no signal at the beginning of the measuring procedure,
and thus no measured values.
Value in column
Src
is highlighted.
Press
Enter
.
Select a source or
OFF
and confirm with
Enter
.
The selected source or
OFF
is shown in column
Src
.
Save the settings with
SAVE
in the desired configuration.
The trigger level is in percentages of the measuring range, and
measured from the end value of the range. In factory configuration
1:W3
, the trigger level is set to
0%
.
Note
By increasing the trigger level, the level of the average is also
increased. In other words: if there are several positive slopes in the
zero crossing, a higher modulated signal can be triggered.
Value in column
Level
is highlighted.
Press
Enter
.
Enter the desired power and confirm with
Enter
.
The value is displayed in column
Level
.
Save the settings with
SAVE
in the desired configuration.
The value entered here determines the zero crossing at which the
measurement begins, i.e. zero crossing with positive or with
negative slope. In factory configuration
1:W3,
a positive slope is
set. The arrow symbol "
↑
"
indicates to a positive slope; symbol "
↓
"
indicates a negative slope.
Value in column
Slope
is highlighted.
Press
Enter
.
Select the desired arrow symbol and confirm with
Enter
.
The selected arrow symbol is shown in column
Slope
.
Save the settings with
SAVE
in the desired configuration.
The low-pass filter enables you to modify signals with high
harmonic content (e.g. PWM) so that they are synchronised to the
resulting fundamental. This ensures that all measured values refer
Select
synchronisation
source
Set trigger level
Select slope
direction
Select low-pass
filter
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