Operator`s manual

113 Signametrics
removing the requirement to make multiple frequency measurements in order to allow
the counter to r
fRange Symbo ency Range
ange. All ranges are defind in DMMUser.h file.
l fRange Value Frequ
COUNTR_20HZ 7 1.9 Hz to 19.9
COUNTR 6 19.9 Hz to 128.8 Hz _130HZ
COUNTR Hz to 640 Hz _640HZ 5 128.8
COUNTR 4 640 Hz to 2.56 kHz _2500HZ
COUNTR_10kHZ 3 2.56 kHz to 10.24 kHz
COUNTR_40kHZ 2 10.24 kHz to 40.96 kHz
COUNTR_200kHZ 1 40.96 kHz to 200 kHz
COUNTR_500kHZ 0 200 kHz to 500 kHz
Parameter
Type/Description
nDmm
int Identifies the DMM. DMMs are numbered starting with zero.
fRange
Return Value Integer error code.
Value
int The range to be set is a value between 0 and 7. See DMMUser.h
Meaning
DMM_OKAY
Operation successfully completed.
Negative Value
Error
// Set counter to measure a
frequency between 65Hz to 320Hz
DMMSetDCISource
SM2060  SM
n
SM206032.h"
clude "DMMUser.h"
Remarks urrent source to ldAmps. The DMM must be in IDC_SRC,
selected for this function to execute properly. Reading the
DMM (DMMRead or DMMReadStr) will return the voltage measurement at the
etter resolution is
required it can be accomplished by setting the Trim DAC by using the
code
Example
DMMSetCounterRng(0, COUNTR_320HZ);
2064 ;
Descriptio Set the DCI source output level.
#include "
#in
int DMMSetDCISource(int nDmm, double ldAmps)
This function sets the DC c
and an valid range must be
terminals. This function acts on the main 12 bit source DAC. If b
DMMSetTrimDAC function. There are five current source ranges. The DMM reads the
output (load) voltage using the 24 V range.