EXFO IQS-600 Integrated Qualification System User Manual
Page 194
Using IQS Products in an Automated Test Environment
186
IQS-600
SCPI Command Structure
There are also several conventions regarding command syntax:
Spelling errors will cancel the command or query.
Commands and queries are not case-sensitive. You can type your
program messages using either lower-case or upper-case letters.
The command or query can be written using only the three- or
four-letter shortcuts, only full words, or a combination of both.
The example below shows the long and the short forms of a same
query.
For readability reasons, you can use extra spaces in your program
messages but they will not be taken into account. For more
information, see Message Management on page 176.
;
Mandatory to separate the different commands of a program
message when more than one command is sent at a time. In this
case, it is called
Also used to separate responses when multiple queries were sent in
a single program message. In this case, it is called
,
Mandatory to separate parameters in a command or a query. In this
case, it is called
Also used to separate the various responses from a query. In this
case, it is called
Item
Meaning
:SYSTem:ERRor?
:SYST:ERR?
:syst:err?
Long form
Short form (small words
represented by the capital letters
of the long form)