Glossary
NI-488.2M UM for Windows NT
Glossary-4
© National Instruments Corp.
hex
Hexadecimal; a number represented in base 16. For example,
decimal 16 = hex 10.
high-level function
See device-level function.
Hz
Hertz.
I
ibcnt
After each NI-488 I/O function, this global variable contains
the actual number of bytes transmitted.
ibconf
The NI-488.2M driver configuration program.
iberr
A global variable that contains the specific error code
associated with a function call that failed.
ibic
The Interface Bus Interactive Control program is used to
communicate with GPIB devices, troubleshoot problems, and
develop your application.
ibsta
At the end of each function call, this global variable (status
word) contains status information.
IEEE
Institute of Electrical and Electronic Engineers.
interface message
A broadcast message sent from the Controller to all devices
and used to manage the GPIB.
I/O (Input/Output)
In the context of this manual, the transmission of commands
or messages between the computer via the GPIB board and
other devices on the GPIB.
I/O address
The address of the GPIB board from the point of view of the
CPU, as opposed to the GPIB address of the GPIB board.
Also called port address or board address.
ist
An Individual Status bit of the status byte used in the Parallel
Poll Configure function.
K
KB
Kilobytes.
