Models 2510 and 2510-AT User’s Manual Remote Operations 6-13
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
:SOURce:CURRent:LCONstants <n> Parameter <n> required
:SYSTem:PRESet No parameter used
NOTE At least one space between the command word and the parameter is required.
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 pro-
gram message. For example:
:INITiate[:IMMediate]
These brackets indicate that :IMMediate is implied (optional) and does not have to be
used. Thus, the above command can be sent in one of two ways:
:INITiate
or
:INITiate:IMMediate
NOTE The optional command is used without the brackets. When using optional com-
mand words in your program, do not include the brackets.
Parameter types — The following are some of the more common parameter types:
<b> Boolean — Used to enable or disable an instrument operation. 0 or OFF dis-
ables the operation, and 1 or ON enables the operation. Example:
:SOUR:TEMP:PROT:STAT ON Enable temperature protection.
<name> Name parameter — Select a parameter name from a listed group.
<NRf> Numeric representation format — This parameter is a number that can be
expressed as an integer (e.g., 8), a real number (e.g., 23.6), or an exponent
(2.3E6).
<n> Numeric value — A numeric value parameter can consist of an NRf number or
one of the following name parameters: DEFault, MINimum, MAXimum.
When the DEFault parameter is used, the instrument is programmed to the
*RST default value. When the MINimum parameter is used, the instrument is
programmed to the lowest allowable value. When the MAXimum parameter is
used, the instrument is programmed to the largest allowable value. Example:
:SOURce:CURRent 2 Sets current to 2A.
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