Gw-instek AFG-3000 Series User Manual Page 188

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AFG-3000 Series User Manual
188
Command Syntax
Compatible
standard
IEEE488.2, 1992 (fully compatible)
SCPI, 1994 (partially compatible)
Command Tree
The SCPI standard is an ASCII based standard that
defines the command syntax and structure for
programmable instruments.
Commands are based on a hierarchical tree
structure. Each command keyword is a node on
the command tree with the first keyword as the
root node. Each sub node is separated with a
colon.
Shown below is a section of the SOURce[1] root
node and the :PWM and :PULSe sub nodes.
Command types
Commands can be separated in to three distinc
types, simple commands, compound commands
and queries.
Simple
A single command with/without
a parameter
Example *OPC
Compound
Two or more commands
separated by a colon (:)
with/without a parameter
Example SOURce:PULSe:WIDTh
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