Parameter Types - Agilent Technologies 4349B Manual

Parameter Types

SCPI de nes di erent data formats for use in program messages and query responses. The
4349B accepts commands and parameters in various formats and responds to a particular
query in a prede ned and rigid format. Each command reference contains information about
available parameter types for the individual commands.
< numeric value > is used in both common commands and subsystem commands.
< numeric value > represents numeric parameter as followings:
no decimal point required
fractional digits optional
, leading signs allowed
t
space allowed after e in exponentials
use either E or e in exponentials
digits left of decimal point optional
4349B settings programmed with a numeric parameter can assume a nite number of values,
so the 4349B automatically rounds the parameter. For example, the 4349B has programmable
line frequencies of 50 or 60 Hz. If you speci ed
The subsystem commands can use extended numeric parameters. Extended numeric
parameters accept all numeric parameter values and other special values, for instance,
,
the each command's reference description.
Query response to < numeric value > is always a numeric value.
< Boolean > represents a single binary condition that is either ON or OFF. < Boolean > allows
the following parameters:
, In a program message
, In a program message and query response
< sensor function > and < data handle > are string parameters which contain ASCII
characters. A string must begin with a single quote(ASCII 39 decimal) or a double quote
(ASCII 34 decimal) and end with the same character. The quote to mark the beginning and
end of the string is called the delimiter. You can include the delimiter as part of the string by
typing it twice without any characters in between.
Example of < sensor function >
Query response is the string between the double quote delimiters.
5-6 GPIB Reference
or , . The special values available for a command are described in
,
, it would be rounded o to
using single quote
using double quote
4349B
.