Xantrex Watt Series Programmable DC Power Supply XG 850, Operating Manual

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SCPI Conformance Information
M370078-01 A-3
A
SCPI Command Hierarchy
SCPI is an ASCII-based command language designed for use in test and
measurement equipment. The command structure is organized around
common roots, or nodes, which are the building blocks of SCPI
subsystems. An example of a common root is CALibration, and some of
the commands that reside in the CALibration subsystem are:
[:]CALibration
[:OUTPut]
[:VOLTage]
[:DATA] <NR1>
:CURRent
[:DATA] <NR1>
CALibration is the root keyword of the command. OUTPut is a second-
level keyword, and VOLTage and DATA are third-level keywords. A
colon (:) is used to separate a command keyword from a lower-level
keyword.