TG8000 syntax
IEEE 488.2 common commands
Description
ANSI/IEEE Standard 488.2 defines the codes, formats, protocols, and usage of
common commands and queries used on the interface between the controller and
the instruments. The TG8000 complies with this standard.
Command and query
structure
The syntax for an IEEE 488.2 c ommon command is an asterisk (*) followed
by a command and, optionally, a space and parameter value. The syntax for an
IEEE 488.2 common query is an asterisk (*) followed by a query and a question
mark. All of the common commands and queries are listed in the last part of the
Syntax an
d Commands section.
*ESE 16
*CLS
Thefollowingareexamplesofcommonqueries:
*ESR
*IDN
Backus-Naur form
defini
tion
This manual may describe commands and queries using the Backus-Naur Form
(BNF)
notation. Table 2-2 defines the standard BNF symbols:
Table 2: BNF symbols and meanings
Symbol
Mean
ing
<>
Defined element
::
=
Is de fined as
| Exclusive OR
{ } Group; one element is required
[
]
Optional; can be omitted
.. .
Previous element(s) m ay be repeated
( ) Comment
Message terminators
This manual uses<EOM> (End of message) to represent a message terminator.
Symbol Meaning
<EOM>
Message terminator
The end-of-message terminator may be the ASCII code for line feed (LF) sent as
the last data byte. The TG8000 always terminates messages with LF. It allows
white space before the terminator.
Draft
TG8000 Multiformat Test Signal Generator Programmer Manual 11
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