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®
R&S
NGE100B
●
Braces { }
Parameters in curly brackets are optional and can be inserted once or several
times, or omitted.
Example
–
Numeric Suffix
If a device features several functions or features of the same kind, e.g. inputs, the
desired function can be selected by a suffix added to the command. Entries without
suffix are interpreted like entries with the suffix 1. Optional keywords must be specified
if they select a function with the suffix.
Suffix counting
In case of remote control, suffix counting may differ from the numbers of the corre-
sponding selection used in manual operation. SCPI prescribes that suffix counting
starts with 1. Suffix 1 is the default state and used when no specific suffix is specified.
Some standards define a fixed numbering, starting with 0. With GSM, for instance,
slots are counted from 0 to 7. In the case of remote control, the slots are selected with
the suffixes 1 to 8. If the numbering differs in manual operation and remote control, it is
indicated with the respective command.
6.3.1.3
Overview of Syntax Elements
The following table offers an overview of the syntax elements.
Syntax Element
:
;
,
?
*
"
User Manual 5601.1343.02 ─ 04
Parameters in square brackets can be incorporated optionally in the command
or omitted as well
APPly {<voltage> | MIN | MAX} [, {<current> | MIN | MAX}]
The following are valid commands:
APPly
APPly 6
APPly 6,2
SCPI Command Structure and Syntax
Description
The colon separates the key words of a command.
In a program message, the separating semicolon
marks the uppermost command level.
The semicolon separates two commands within a
program message. It does not alter the path.
The comma separates several parameters of a com-
mand.
The question mark forms a query.
The asterisk marks a common command.
Quotation marks introduce a string and terminate it.
Remote Control
70
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