User's Manual

Glossary

END or END message A message that signals the end of a data string. END is sent

by asserting the GPIB End or Identify (EOI) line with the last

data byte.

EOI A GPIB line that is used to signal either the last byte of a data

message (END) or the parallel poll Identify (IDY) message.

EOS or EOS byte A 7- or 8-bit end-of-string character that is sent as the last byte

of a data message.

EOT End of transmission.

ESB The Event Status bit is part of the IEEE 488.2-defined status

byte which is received from a device responding to a serial

poll.

GET Group Execute Trigger is the GPIB command used to trigger a

device or internal function of an addressed Listener.

Go To Local See GTL.

GPIB General Purpose Interface Bus is the common name for the

communications interface system defined in ANSI/IEEE

Standard 488.1-1987 and ANSI/IEEE Standard 488.2-1987.

GPIB address The address of a device on the GPIB, composed of a primary

address (MLA and MTA) and an optional secondary address

(MSA). The GPIB board has both a GPIB address and an I/O

address.

GPIB board Refers to the National Instruments family of GPIB interface

boards.

Group Executed Trigger See GET .

GTL Go To Local is the GPIB command used to place an addressed

Listener in local (front panel) control mode.