A Brief Introduction to the SCPI Language
SCPI Language Basics
command. These are examples of valid commands for a given command syntax:
Command Syntax | Sample Valid Commands | |
|
| |
[SENSe:]BANDwidth[:RESolution] <freq> | The following sample commands are all identical. They | |
| all cause the same result. | |
| • | Sense:Band:Res 1700 |
| • | BANDWIDTH:RESOLUTION 1.7e3 |
| • | sens:band 1.7KHZ |
| • | SENS:band 1.7E3Hz |
| • | band 1.7kHz |
| • | bandwidth:RES 1.7e3Hz |
|
|
|
MEASure:SPECtrum[n]? | • | MEAS:SPEC? |
| • | Meas:spec? |
| • | meas:spec3? |
| The number 3 in the last meas example causes it to | |
| return different results then the commands above it. | |
| See the command description for more information. | |
|
|
|
[:SENSe]:DETector[:FUNCtion] | • | DET:FUNC neg |
NEGativePOSitiveSAMPle | • | Detector:Func Pos |
| ||
|
| |
INITiate:CONTinuous ONOFF10 | The sample commands below are identical. | |
| • | INIT:CONT ON |
| • | init:continuous 1 |
|
|
|
Special Characters in Commands
Special | Meaning | Example |
Character |
|
|
|
|
|
A vertical stroke between | Command: | |
| parameters indicates | TRIGger:SOURce |
| alternative choices. The effect of | EXTernalINTernalLINE |
| the command is different | The choices are external, internal, |
| depending on which parameter | |
| and line. | |
| is selected. | |
| Ex: TRIG:SOURCE INT | |
|
| |
|
| is one possible command choice. |
|
|
|
357
