Operator`s manual

Signametrics 108
Description Set the ACV source output level and frequency.
#include "SM206032.h"
"DM
m, double ldVolts, double ldFreq)
marks This function sets the AC voltage source to RMS amplitude of ldVolts, and the frequency
must be in VAC_SRC operation for this function to execute
he DMM (DMMRead, DMMReadStr) will return the measurement
he output voltage. This function acts on the main 12 bit source DAC. Two ranges are
the 0.9 V and the 7 V.
Parame
#include MUser.h"
int DMMSetACVSource(int nDm
Re
to ldFreq. The DMM
roperly. Reading t
p
of t
available in VAC_SRC mode,
ter
Type/Description
nDmm
ies the DMM. DMMs are numbered starting with zero.
to 7.25 V RMS
ldFreq
Return Value
Value
int Identif
ldVolts
double AC RMS voltage to be set. Range: 0.05
double DC voltage to be set. Range: 1 Hz to 200 kHz
Integer error code.
Meaning
DMM_OKAY
alue
Erro
Example
double reading; int I;
SetACVSo
SetSourc
for(I=0;I<100;I++) DMMRead(0,&reading); // update 100 times
SM2060 ; SM
Description me
" "
int DMMSetAperture(int nDmm, int iAperture)
Rem sets the measurement Aperture. This is the the integration time of the A/D
or the timer during which the A/D makes a measurement. The allowed values are defined
in the DMMUser.h file. Depending on DMM model and mode of operation, the highest
066s) and the lowest 2.5µs (APR_2p5us).
ee sections
2.11 and 4.4 for details.
Operation successfully completed.
Negative V
r code
DMM
DMM
urce(0, 7.0, 1000.0); // source 7V and 1kHz
eMode(0, CLOSED_LOOP); // Closed loop mode
DMMSetAperture
2064 ;
Set the asurement Aperture.
#include
#include "DMMUser.h"
SMX2060.h
arks This function
Aperture can be set as high as 5.066s (APR_5p
S