National Instruments NI-488.2 User Manual
Page 115

Appendix D
Common Questions
D-2
ni.com
How do I check for errors in my NI-488.2 application?
Examine the value of
ibsta
after each NI-488.2 call. If a call fails, the
ERR bit of
ibsta
is set and an error code is stored in
iberr
. For more
information about global status variables, refer to Chapter 5,
How do I troubleshoot problems?
Run the NI-488.2 Troubleshooting Utility.
Windows
1.
Select Start»Programs»National Instruments»
Measurement & Automation.
2.
Select Help»Troubleshooting»NI-488.2 Troubleshooting Utility.
Mac OS X
Run Applications»National Instruments»NI-488.2»Troubleshoot.
Linux
Enter the following command:
where
is the directory where you chose to install the
NI-488.2 software. The default is
/usr/local
.
What information should I have before I call National Instruments?
Before you call National Instruments, record the results of the NI-488.2
Troubleshooting Utility.
How can I determine if my GPIB hardware and the NI-488.2 software
are installed properly?
Run the NI-488.2 Troubleshooting Utility as described previously on this
page. The Troubleshooting Utility tests your GPIB interface and displays
the results.
How many GPIB interfaces can I configure for use with the
NI-488.2 software?
You can configure the NI-488.2 software to communicate with up to
100 GPIB interfaces.