National Instruments NI-488.2 - Manual (Page 21)

Chapter 2 Measurement & Automation Explorer (Windows)
© National Instruments Corporation 2-7 NI-488.2 User Manual
The NI-488.2 Communicator dialog box appears, as shown
in Figure 2-3.
Figure 2-3. NI-488.2 Communicator
6. Type a command in the Send String field and do one of the following:
• To write a command to the instrument then read a response back,
click the Query button.
• To write a command to the instrument, click the Write button.
• To read a response from the instrument, click the Read button.
To view sample C/C++ code that performs a simple query of a GPIB
instrument, click the Show Sample button.
Advanced Communication
For advanced interactive communication with GPIB instruments, use the
Interactive Control utility, as follows:
1. Start Measurement & Automation Explorer as described in the
Starting Measurement & Automation Explorer section.
2. Expand the Devices and Interfaces directory by clicking the + next
to the folder.
3. Right-click on your GPIB interface and select Interactive Control
from the drop-down menu that appears. Interactive Control
automatically opens a session to the selected GPIB interface.
4. At the command prompt, type NI-488.2 API calls to communicate
interactively with the your instrument. For example, you might use
ibdev , ibclr , ibwrt , ibrd , and ibonl .