Specifications

Chapter 15 247
Controlling Peripherals
Programming with VISA
1. Chapter Title
2. Chapter Title 3. Chapter Title
4. Chapter Title
15. Controlling Peripherals
Programming with VISA
Figure 15-1 shows the flow of controlling the instrument with VISA. When developing a
VISA program in the Visual Basic language, a special programing notice (in the readme
text file listed below) must be reviewed.
For details on the use of the VISA library and the programing notice for using the VISA
library with the E4991A macro (E4991A VBA), refer to the following files contained on
the CD-ROM (Agilent part number: E4991-905x0).
• visa.hlp (on-line help for the VISA library)
• vbreadme.txt (notes on using the VISA library with VB)
Figure 15-1 Flow of instrument control with VISA