Measurement-computing Analyzer488 Instrukcja Użytkownika Pobierz pdf (Strona 248)

Section 6 Instrument Simulator

6.38

Query ?

Most of the Analyzer488 commands offer a Query (

) option which may be used to

determine the current configuration or mode of a command previously executed. To

use this option, the first letter of the command is used followed by a question mark (

Any number of these query commands may be combined into one string to allow the

user to construct a specialized status command requesting the Analyzer488 to return

only that information which is of interest for a given application. The Execute (

)

command is not needed when using the Query option.

SYNTAX:

command?

Return the current configuration or mode of the

command,

command

EXAMPLES:

PRINT#1,"CLEAR10"

reset the Analyzer488

PRINT#1,"OUTPUT10;W12X"

select waveform 12

PRINT#1,"OUTPUT10;W?"

request current waveform

selection

PRINT#1,"ENTER10"

read data from the Analyzer488

INPUT#2,A$

PRINT A$

display shows:

W12

PRINT#1,"OUTPUT10;U0X"

request the status of the

Analyzer488

PRINT#1,"ENTER10"

read data from the Analyzer488

INPUT#2,A$

PRINT A$ display shows

status message:

1.1C0000D0E0G0H2I000J1K0P000S000T00000U0W00Y2Z000

1 2 ... 243 244 245 246 247 248 249 250 251 252 253 ... 280 281

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Measurement-computing Analyzer488 Instrukcja Użytkownika Strona 248