Command Reference
Using This Chapter
This chapter describes the Standard Commands for Programmable
Instruments (SCPI)
commands and indicates the IEEE 488.2
common
(*)
commands that are applicable to the HP E1440A
Synthesizer. The chapter contains the following main sections:
rn
Command Types
.............................................................
5-1
rn
The SCPI Command Parser
..............................................
5-2
................................................
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SCPI Command Reference 5-8
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IEEE 488.2 Commands for the HP E1440A
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5-29
Command Types
Commands are separated into two types: IEEE 488.2 Common
Commands and SCPI Commands.
SCPl Command Format
The SCPI commands perform functions for making measurements
and setting output levels, or data retrieval.
A
command subsystem
structure is hierarchical, usually consisting of a top (root) level
command, with one or more low level commands and their
parameters. The following example shows a typical subsystem:
SOURce is the root command, VOLTage, POWer are secondary level
commands and LEVel, UNIT are third level commands. The precise
syntax for these commands and others, is given later in this chapter.
Command Separator
A
colon
(:)
always separates one command from the next lower level
command as shown below:
:SOURce:VOLTage:LEVel <CR/LF> (return)
Command
Reference
5-1
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