Variable Attenuator/Variable Reflector
61
6
IQ-3100 and IQ-3300 Remote
Control
GPIB Command Structure
GPIB commands follow the guidelines determined by the Standard
Commands for Programmable Instruments (SCPI) consortium.
For example, the command syntax
FORM(0..26):READ[:DATA]<space><digit>
is used to change the measurement display resolution (number of digits
after the decimal point) of a given module.
In this particular example,
➤
FORM identifies that the command is part of the SCPI FORMat subset
of commands.
➤
(0..26) is a whole number between 0 and 26 that identifies a module in
the test station.
➤
READ and DATA are keywords that define the function of the
command.
➤
[ ] indicates that a keyword or parameter is optional.
➤
<space> indicates that a space is required.
➤
<digit> is the command parameter.
All keywords are separated by a colon. A typical command would be
FORM4:READ:DATA 1
This command instructs the module to display a power measurement with
one digit after the decimal point.
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