Specifications

107 Signametrics
Value Meaning
OKAY
Operation successfully completed.
e Value
Error code
DMMSetFunction(0, RTD); // RTD measurement function
DMM_
Negativ
Example
DMMSetRange(0, 1 _pt385); // Select RTD
SetRTD(0 00.0); // Set Ro = 1k Ohms
DMMSet oreParam
SMX2040 ; SMX2042 ; SMX2044
emperature sensor equation parameters.
#include "sm204032.h"
int DMMSetSensorParams(int nDmm, double lda, double ldm, double ldb)
Remarks d junction temperature sensor’s equation parameters. Where the temperature of
u (Vcjs - lda) / ldm + ldb, where Vcjs is the cold junction
DMMReadCJTemp().
DMM , RTD_4_W, 10
Sens s
;
Description Set the cold junction t
Set the col
the cold j
nction equals to
sensor output. This function is used to calculate the cold junction temperature by
converting the sensor voltage to temperature. For more information read about
Parameter
Type/Description
entifies the DMM. DMMs are numbered starting with zero.
lda
ldm
’ parameter.
Value
nDmm
int Id
double the ‘a’ parameter.
double the ‘m
ldb
double the ‘b’ parameter.
Return Value Integer error code.
Meaning
OKAY
Operation successfully completed.
DMM_
lue
Error
Example
DMMSetSensorParams(0, 0.558, -0.002, 22.0);// set parameters
DMMSetSourceMode
SMX2040  SMX2042  SMX2044
Description Set the DCV and ACV sources to ClosedLoop, or OpenLoop mode.
#include "sm204032.h"
#include "User
int DMMSetSourceMode(int nDmm, int iMode)
Negative Va
code
;
DMM.h"
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