National Instruments NI-488.2 - Manual (Page 125)

Glossary
© National Instruments Corporation G-5 NI-488.2 User Manual
Iberr A global function that contains the specific error code associated with a
function call that failed. For accessing the newer NI4882 API, this function
is recommended instead of the global variable,
iberr .
ibsta At the end of each function call, this global variable (status word) contains
status information. For accessing the newer NI4882 API, use the global
function,
Ibsta , instead.
Ibsta At the end of each function call, this global function contains status
information. For accessing the newer NI4882 API, this function is
recommended instead of the global variable,
ibsta .
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.
ISA Industry Standard Architecture.
ist An Individual Status bit of the status byte used in the Parallel Poll
Configure function.
L
LAD Listen Address. See also MLA .
Listener A GPIB device that receives data messages from a Talker.
LLO Local Lockout—The GPIB command used to tell all devices that they
may or should ignore remote (GPIB) data messages or local (front panel)
controls, depending on whether the device is in local or remote
program mode.
low-level function A rudimentary board or device function that performs a single operation.
M
m Meters.
MAV The Message Available bit is part of the IEEE 488.2-defined status byte
which is received from a device responding to a serial poll.