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Appendix C Error Codes and Solutions
NI-488.2 User Manual C-6 ni.com
Solutions
Possible solutions for this error are as follows:
• Use the correct byte count in input functions or have the Talker use the
END message to signify the end of the transfer.
• Lengthen the timeout period for the I/O operation using
ibtmo.
• Make sure that you have configured your device to send data before
you request data.
ENEB (7)
ENEB occurs when a GPIB interface is configured for use by the system,
but the driver cannot find the interface. This problem happens when the
interface is not physically plugged into the system, the I/O address
specified during configuration does not match the actual interface setting,
or there is a system conflict with the base I/O address.
Solutions
Make sure there is a GPIB interface in your computer that is properly
configured both in hardware and software using a valid base I/O address
by running the NI-488.2 Troubleshooting Utility, as follows:
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.