Operator`s manual

Signametrics 110
Remarks Setup the SM2060 for external hardware trigger operation. Following reception of this
mand the DMM enters a wait state. After reception of an external trigger edge of
iEdge polarity, the DMM takes iSettle + 1 readings at the set measurement function,
range, Aperture ffer.
This process is repeated for iSamples. This function is particularly useful in conjunction
with a triggerin
autoranging, function or ranges changes allowed while the DMM is waiting for triggers.
The number of trigger edges must be equal or greater than iSamples to properly terminate
this mode. Any trigger received following iSamples is ignored. Between the time this
command i nd the time the buffer is read, no other command should be sent to
the DMM with the exception of DMMDisarmTrigger command, which terminates this
nd ness. This function is usable for VDC,
VAC, Ohms, IAC, IDC and RTD measurements.
Use the DMMReady to monitor when the DMM is ready (following trigger(s) and the
DMMReadBuffer or DMMReadBufferStr functions. Once DMMReady re
TRUE, it should not be used again prior to reading the buffer, since it prepares the buffer
hen it detects a ready condition.
r
com
and Read Interval; and stores the last reading in the in an internal bu
g instruments such as the SM4042 or SMX4032 relay scanner. No
s issued a
mode, a DMMReady which monitors ready
reading of iSamples). When ready, you can read up to iSamples, using
turns
for reading w
Paramete Type/Description
nDmm
DMM. DMMs are numbered starting with zero.
iSettle
mber of setteling measurements, prior to read value. Must
een 0 and 250.
iSamples
int The number of samples the DMM takes following the same
r
iEdge
Return Value
Value
int Identifies the
int The nu
be set betw
number of trigger pulses. This number must be between 1 and 80 o
120 depending on aperture.
Int The edge polarity of the trigger signal. 1 for Positive, or leading
edge, and 0 for negative or trailing edge trigger.
The return value is one of the following constants.
Meaning
DMM_
alue
Example double Buff
DMMSetBuffT
//setteling
while( ! DM ion
// read buffer
MReadBuffer(0, &Buffer[i]);
DMMSet AveSa
SM2060  SM
Description e measurement function parameters for higher measurement speed.
OKAY
Operation successfully terminated
Negative V
Error code.
er[120];
rigRead(0, 4, 50, 0); // Negative edge, 4
readings, and 50 samples/trigger
MReady(0) ); // wait for complet
for(i=0; i < 50 ; i++)
j = DM
Caps mp
2064 ;
Tunes th capacitance
#include "SM206032.h"
Int DMMSetCapsAveSamp(int nDmm, int iAverage, int iSamples)