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SCPI Introduction

follows: PROTection:CLEAr;:STATus:OPERation:CONDition?

The following message shows how to combine commands from different

subsystems as well as within the same subsystem:

POWer:LEVel

200;PROTection 28; :CURRent:LEVel 3;PROTection:STATe ON

Note the use of the optional header LEVel to maintain the correct path within

the voltage and current subsystems, and the use of the root specifier to move

between subsystems.

2.2.3 Including Common Commands

You can combine common commands with subsystem commands in the same

message. Treat the common command as a message unit by separating it with

a semicolon (the message unit separator). Common commands do not affect

the header path; you may insert them anywhere in the message.

VOLTage:TRIGgered 17.5;:INITialize;*TRG

OUTPut OFF;*RCL 2;OUTPut ON

2.2.4 Case sensitivity

Common commands and SCPI commands are not case sensitive. You can use

upper or lower case and any case combination. Examples:

 *RST = *rst

 :DATA? = :data?

 :SYSTem:PRESet = :system:preset

2.2.5 Long-form and short-form versions

A SCPI command word can be sent in its long-form or short-form version. The

command subsystem tables in Section 5 provide the in the long-form version.

However, the short-form

version is indicated by upper case characters. Examples:

 :SYSTem:PRESet long-form

 :SYST:PRES short form

 :SYSTem:PRES long-form and short-form combination

Note that each command word must be in long-form or short-form, and not

something in between.

For example, :SYSTe:PRESe is illegal and will generate an error. The

command will not be executed

ITech IT8702 Programming Guide

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