
8 Agilent N516xA, N518xA, E8663B, E44x8C, and E82x7D Signal Generators Programming Guide
Getting Started with Remote Operation
IO Libraries and Programming Languages
VISA Assistant
VISA is an industry standard IO library API. It allows the user to send SCPI commands to
instruments and to read instrument data in a variety of formats. You can use the VISA Assistant,
available with the Agilent IO Libraries versions M and earlier, to send commands to the signal
generator. If the interface you want to use does not appear in the VISA Assistant then you must
manually configure the interface. See the Manual VISA Configuration section below. Refer to the VISA
Assistant Help menu and the Agilent VISA User’s Manual (available on Agilent’s website) for more
information.
VISA Configuration (Automatic)
1. Run the VISA Assistant program.
2. Click on the interface you want to use for sending commands to the signal generator.
3. Click the Formatted I/O tab.
4. Select SCPI in the Instr. Lang. section.
You can enter SCPI commands in the text box and send the command using the viPrintf button.
VISA Configuration (Manual)
Perform the following steps to use IO Config and VISA to manually configure an interface.
1. Run the IO Config Program.
2. Click on GPIB in the Available Interface Types text box.
3. Click the Configure button. Set the Default Protocol to AUTO and then click OK to use the default
settings.
4. Click on GPIB0 in the Configured Interfaces text box.
5. Click Edit...
6. Click the Edit VISA Config... button.
7. Click the Add device button.
8. Enter the GPIB address of the signal generator.
9. Click the OK button in this form and all other forms to exit the IO Config program.
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