10-12 Remote Operations
Model 6220/6221 Reference Manual
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Programming syntax
The following paragraphs cover syntax for both common commands and SCPI
commands. For more information, see the IEEE-488.2 and SCPI standards.
Command words
Program messages are made up of one or more command words.
Commands and command parameters
Common commands and SCPI commands may or may not use a parameter. The
following are some examples:
*SAV <NRf>
Parameter (NRf) required.
*RST
No parameter used.
:DISPlay:ENABle <b>
Parameter <b> required.
:SYSTem:PRESet
No parameter used.
Put at least one space between the command word and the parameter.
•
Brackets
[ ]
— Some command words are enclosed in brackets ([ ]). These
brackets are used to denote an optional command word that does not need
to be included in the program message. For example:
:INITiate[:IMMediate]
These brackets indicate that :IMMediate is implied (optional) and does not
need to be used. Thus, the above command can be sent in one of two
ways:
:INITiate or :INITiate:IMMediate
Notice that the optional command is used without the brackets. When using
optional command words in your program, do not include the brackets.
•
Parameter types
— The following are some of the common parameter
types:
<b>
Boolean
— Used to enable or disable an instrument opera-
tion. 0 or OFF disables the operation and 1 or ON enables the
operation.
:DISPlay:ENABle ON
Enable the display
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