THE MENU SYSTEM
PM1000+ Power Analyzer User Manual © Voltech 2010 Page 33
The „scale‟ is the maximum amplitude that will be displayed. Set the scale to be
similar to the rms value to see an overview of the spectrum. To view smaller
harmonics in more detail a smaller „scale may be set.
If the harmonic exceeds the set scale it will be shown with a white cap on the top
of the bar.
The „scale‟ only applies when the harmonic format is absolute measurements. If
percentage measurements are used, then the scale is automatically set to 100%.
The fundamental harmonic (H1) will be displayed as 100%.
The right and left arrow keys may be used to select the harmonic whose
amplitude and phase are shown at the top of the screen. The selected harmonic
is shown in yellow.
Select Show and press to display the harmonic bar chart (voltage or
current).
Integration Graph
Select Integration graph using the keys, press to configure.
The Integration Graph menu allows the user to select what value to display on the
graph, the vertical scale of the graph (in units of the value selected), and the
horizontal scale (duration) of the graph.
The horizontal scale of the graph is only for display purposes. The integration will
continue until stopped by the user using the start/stop (/) button.
When the graph is configured, select Show to view the graph.
Note: The PM1000+ must be in Integrator mode for the graph to start.
4.8. INTERFACES.
This menu may be used to set up the interfaces of the PM1000+
To select set up an interface, use the keys and then press for detailed options.
RS232 Baud Rate
Select the desired baud rate and press to confirm.
9600, 19200 (default) and 38400 are available.
The PM1000+ uses hardware handshaking (RTS / CTS) with no parity, 8 data
bits and 1stop bit (N,8,1).
The RS232 baud rate is unchanged after a “*RST” or “:DVC” command.
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