National Instruments NI-488.2 - 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»Na tional Instruments»
Measurement & Automation.
2. Select Help»Troubleshoot ing»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.