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Standard Commands for Programmable Instruments (SCPI)
87
LANGUAGE DICTIONARY
This section gives the syntax and parameters for all the IEEE 488.2 common commands and SCPI commands used by the
Agilent Series 603xA power supplies. It is assumed that you are familiar with the introductory reference material (see
"Related Documents" in Section I), which explains the terms, symbols, and syntactical structures used here and gives an
introduction to programming. Original language (ARPS) commands are covered in Section III of this manual.
The programming examples are simple applications of the commands. A SCPI command functions the same way in all
Agilent Series 603xA power supplies. Since SCPI syntax remains the same for all programming languages, the examples are
generic.
Keywords
Syntax definitions use the long form, but both long and short form keywords appear in the examples. If you have any
concern that the meaning of a keyword in your program listing will not be obvious at some later time, then use the long form
to help make your program self-documenting.
Parameters
Most commands require a parameter and all queries will return a parameter. The range for a parameter may vary according
to the model of power supply. For consistency, the examples use parameters for the Agilent 6033A. Parameters for all
current models are listed in Table 3-7 of Section III.
Order of Presentation
The dictionary is organized as follows:
•
IEEE 488.2 common commands, in alphabetical order
•
Subsystem commands
COMMON Commands
Common
commands are defined by the IEEE 488.2 standard to perform some common interface functions. Agilent Series
603xA power supplies respond to the 13 required common commands that control status reporting, synchronization, and
internal operations. The supplies also respond to five optional common commands controlling triggers, power-on
conditions, and stored operating parameters. The description for each common command or query specifies any status
registers affected. In order to make use of this information, you must refer to "Status Reporting", which explains how to
read specific register bits and use the information that they return.
Figure C-2 shows the common commands and queries, which are presented in alphabetical order. If a command has a
corresponding query that simply returns the data or status specified by the command, then both command and query are
included under the explanation for the command. If a query does not have a corresponding command or is functionally
different from the command, then the query is listed separately.
Subsystem Commands
Subsystem commands are those that are specific to Agilent Series 603xA power supply functions. They consist of single
commands and subsystems. Single commands and subsystems are listed together in alphabetical order. Individual
commands within a subsystem are listed in alphabetical order under the subsystem.