Operator`s manual

53 Signametrics
s.
Value
Return Value The return value is one of the following constant
Meaning
DMM_OKAY
Operation successfully terminated
Error code.
DMMArmTrigger(0,64);
0));
(0, &Buffer[i]);
BurstBu
SM2040 ; SM2042 ; SM2044 ;
Description Setup the DMM for Triggered operation.
#include "sm204032.h"
int DMMBurstBuffRead(int nDmm, int iSettle, int iSamples)
Remarks ng recep mand the DMM enters a burst read mode, where it takes
iSettle + 1 readings at the set measurement function, range, and reading rate; and saves
eading n-board buffer. This process repeats for iSamples. No other DMM
command should be issued until the process is complete, and the contents of the buffer
es the
C, VAC,
ettle + 1)
e DMMReady to monitor if the has completed the operation, and is ready. When
to iSamples, using DMMReadBuffer or DMMReadBufferStr functions.
eady returns TRUE, it should not be used again until the buffer is read,
for buffer reading when it detects a ready
Parame
Negative Value
Example double Buffer[64];
while( ! DMMReady(
for(i=0; i < 64 ; i++)
j = DMMReadBuffer
DMM ffRead
#include "UserDMM.h"
Followi tion of this com
the last r to the o
are read. One exception is the DMMDisarmTrigger command, which terminat
process. No autoranging is allowed in this mode. This function is usable for VD
Ohms, IAC, IDC and RTD measurements. Measurement rate should be set to 10rps or
higher. The total time it takes to complete this process is equal to iSamples * ( iS
/ (measurement rate).
Use th
ready, read up
Once DMMR
since it clears some flags in preparation
condition.
ter
Type/Description
iDmm
int Identifies the DMM. DMMs are num
bered starting with zero.
iSettle
iSamples
ses. This number must be between 1 and 64,
Return Value The return valu
int The number of setteling measurements, prior to read value. Must
be set between 0 and 250. Recommanded value is 4.
int The number of samples the DMM takes following the same
number of trigger pul
inclusive.
e is one of the following constants.
Value Meaning
DMM_OKAY
Negative Value
Error code.
Operation successfully terminated