National Instruments NI-488.2 - Manual (Page 115)

Appendix D Common Questions
NI-488.2 User Manual 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, Debugging
Your Application .
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:
<InstallDir>/natinst/ni4882/bin/gpibtsw
where <InstallDir> 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.