SCPI commands can be sent to the VNA Master though any Virtual Instrument Software Architecture (VISA) controller. VISA is a commonly‑used API in the Test and Measurement industry for communicating with instruments from a PC. The physical connection between the PC and the VNA Master can be USB or Ethernet.
NI‑VISA is the National Instruments implementation of the VISA I/O standard. Information and downloads are available at the following link:
The following example describes the verification that a VISA controller can detect the VNA Master.
Note
The images shown and the instructions for your instrument and software may differ from the examples in this manual.
1. On the PC, run VISA Interactive Control and double click on the VNA Master.
VISA Interactive Control
2. Select the viWrite tab and execute the default *IDN? write by clicking the Execute button.
VISA Interactive Control viWrite Tab
3. Select the viRead tab and click the Execute button. If the PC is connected to the VNA Master, then the command returns the following information from the Buffer: manufacturer name (“Anritsu”), model number/options, serial number, and firmware package number.
