MEASurement
Function
In addition to the subsystems of the in
-
strument model, which control the instru
-
ment functions, SCPI has signal-oriented
functions to obtain measurement results.
This group of MEASure functions has a
different level of compatibility and flexi
-
bility. The parameters used with com
-
mands from the MEASure group describe
the signal you are going to measure. This
means that the MEASure functions give
compatibility between instruments, since
you don’t need to know anything about
the instrument you are using. See Figure
5-3.
n
MEASure?
This is the most simple command to use,
but it does not offer much flexibility. The
MEASure? query lets the counter config
-
ure itself for an optimal measurement,
start the data acquisition, and return the
result.
n
CONFigure; READ?
The CONFigure command makes the
counter choose an optimal setting for the
specified measurement. CONFigure
may cause any device setting to change.
Instrument Model
MEASurement Function 5-5
10MHz
clock
A
B
C
E
÷2
1
2
3
4
5
6
7
GPIB
INPut1
INPut2
INPut4
SENSe
CALCulate
MEMory
OUTPut
FORMat
DISPlay
TRIGger
READ?
CONFigure
MEASure?
FETch?
Figure 5-3 Model '9X' measurement function.
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