User`s guide

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Agilent IO Libraries Suite
Agilent VISA User’s Guide
Agilent Technologies
access board
The GPIB interface to which a particular device is
connected.
Active Controller
See "Controller in Charge".
address
A string (or other language construct) that uniquely
locates and identifies a resource. VISA defines an
ASCII- based grammar that associates address strings with
particular physical devices or interfaces and VISA
resources.
Agilent 488
An I/O library provided in Agilent IO Libraries Suite for
compatibility with existing test & measurement programs
that were developed using National Instruments’ NI- 488
or other similar libraries. Agilent 488 supports
communication with GPIB devices and interfaces, but does
not support USB, LAN, RS- 232, or VXI communications.
alias
See VISA alias.
API
Application Programming Interface. The interface that a
programmer sees when creating an application. For
example, the VISA API consists of the sum of all of the
operations, attributes, and events of each of the VISA
ResourceClasses.