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25.3. Command syntax
The commands described in this chapter can be issued through both buses (IEEE-488 and RS232).
All commands listed in this chapter are explained in two columns:
KEYWORD and PARAMETERS.
KEYWORD column includes the name of the command. If a keyword is in brackets ( [ ] ), it is not mandatory.
Non-mandatory commands are used only to achieve compatibility with language standard SCPI.
Capitals designate the abbreviated form of the commands; extended form is written in lowercase.
Command parameters are in brackets (<>); each parameter is separated using a comma. Parameters in
brackets ( [ ] ) are not mandatory. Line ( | ) means “or” and is used to separate several alternative
parameters.
Semicolon ‘;’ is used to separate more commands written on one line.
E.g. VOLT 2.5; OUTP ON
Note:
Each command must end in <cr> or <lf>. Both codes <crlf> can be used at the same time. The calibrator
performs all commands written on one line of the program after it receives <cr>, <lf> or <crlf> code. Without
this code, the program line is ignored.
25.3.1. Description of abbreviations
<DNPD> = Decimal Numeric Program Data, this format is used to express decimal number with or without
the exponent.
<CPD> = Character Program Data. Usually, it represents a group of alternative character parameters. E.g.
{ON | OFF | 0 | 1}.
? = A flag indicating a request for the value of the parameter specified by the command. No other
parameter than the question mark can be used.
(?) = A flag indicating a request for the parameter specified by the command. This command permits
a value to be set as well as requested.
<cr> = carriage return. ASCII code 13. This code executes the program line.
<lf> = line feed. ASCII code 10. This code executes the program line.
25.3.2. OUTPut subsystem
This subsystem allows to control the output terminals of CX 1651 calibrator, to activate the four-wire output
or to switch the calibrator to x50 current coil (option 130-50).
Keyword Parameters
OUTPut
[:STATe] (?) <CPD> { ON | OFF | 0 | 1 }
: ISELection (?) <CPD> { HIGHi | HI50turn }
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