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Agilent 33500 Series
Waveform Generators:
Using the Built-in Web Interface
Technical Overview
The Agilent 33500 Series waveform generators include a instrument's built-in Web interface. The Web interface also
front panel that allows you to configure and control the provides a convenient way to learn the SCPI programming
instrument quickly and easily. When you are not physically language.
near the instrument, you may control the instrument via
the Standard Commands for Programmable Instruments To begin using the Web interface, simply connect your
(SCPI) programming language. waveform generator to the LAN and enter the instrument's
IP address into your computer's Web browser. To find the
But what if you are not near the instrument and you are instrument's IP address, look at the lower left corner of the
not a SCPI expert? Or suppose you are a SCPI expert, screen during boot-up, or press [System] > [I/O Config]
but you want to take advantage of your computer's large > [LAN Settings] on the front panel.
screen to control the instrument and view its configura-
tion. Perhaps you are on a business trip or working from After you enter the IP address into your browser, you will
home and you want to control and monitor your instru- see the Web interface's main screen, as shown in Figure 1.
ment. For these situations and more, the answer is the
Figure 1. Main screen for
a Web-enabled 33522B
waveform generator
In some network configurations, a proxy server may Configuring and Controlling Your Instrument via
prevent access to the instrument ("Page cannot be the LAN
displayed"). In this situation, the proxy must be configured
from the browser such that the proxy is not used for IP Use the control tab on the Web interface to configure and
addresses within the range of those that can be assigned control your waveform generator.
to the instrument.
The typical use model for this page is described below. The
When your waveform generator is connected to the LAN, numbers correspond to the numbers shown in Figure 3.
you will see four small tabs on the upper left side of the
screen, as shown in Figure 2. 1. Select a radio button to indicate whether you want to
configure Channel 1 or Channel 2.
Home Displays basic information about the
2. Press a button to indicate whether you want to config-
instrument and its LAN connection
ure parameters relating to the waveform, modulation,
Control Allows you to configure and operate the sweep, burst, or output.
instrument
LAN Allows you to configure the instrument 3. Configure the parameters relevant to the channel and
for the LAN the button selected in steps 1 and 2, above.
Help Displays help on using the Web interface 4. Press Apply to apply the saved parameters to the instru-
ment, or press Undo Changes to undo the changes that
Figure 2. The four tabs on a Web-enabled waveform generator you made to the parameters on the screen.
and their functions
If you attempt to choose a different button in area 1 or 2
before you have applied your changes to the instrument,
the Web interface will issue the reminder shown in
Figure 4.
Figure 4. The Web interface will remind
you to apply your changes if you neglect to
do so before you choose a different button.
Figure 3. Pressing the control tab brings you to a screen where you can configure your
waveform generator.
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Figure 5. The Command Monitor button is in the upper right corner of the Control window.
Learn SCPI Commands Using Command Monitor Figure 6. The
Command tab lists the
SCPI commands that
The Web interface includes a command monitor that have been sent to the
helps you learn the instrument's SCPI language. To use instrument based on
this feature, simply press the Command Monitor button in your selections in the
the upper right corner of the Control window, as shown in Control tab.
Figure 5.
The command monitor opens with the Command History
tab selected. This tab lists the commands that have been
sent to the instrument from the Control tab, as shown in
Figure 6. As the Web interface logs the SCPI commands
related to changes made to the instrument's configuration,
you can learn the SCPI language and copy commands into
your programming environment as desired.
The second tab in the Command Monitor window is
Current Configuration. This tab shows all of the commands
that put the instrument in its current state, as shown in
Figure 7. Note that this list includes the commands for the
instrument's default power-on configuration, so this list
may be substantially longer than the list in the Command
History tab.
Figure 7. The Current
Configuration tab
shows the entire
list of commands
Summary that put the instru-
ment in its current
The 33500 Series Web interface is a powerful and easy-to- state, including the
use tool that allows you to easily control the instrument commands for the
remotely. You can use the Web interface to configure the power-on sequence.
instrument and monitor its operation. As you interact
with your instrument via the interface, you can use
the Command Monitor to learn the SCPI programming
language.
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