Operator`s manual

Signametrics 50
Example double reading; int I;
for(i=0; i<40;i++) SCANSetScanList(0, i-1, i); // Set
locations // 0 to 39 to channels 1 through 40
SCANAutoScan(0,40); // execute a 40 point auto scan
sequence of // Ch1, Ch2, Ch3…Ch40
SCANSetStepTime
H/W access Command ; Polled Command 
Description Set auto scan step time
#include “SM4040.H”
int SCANSetStepTime(int iScan, double dStep)
Remarks This function sets the scanner’s Step time value. The Step time effects the various auto-
scanning operations. It is the dwell time at each channel in a scan sequence. For proper
operation the Step time must be greater than the actuation time. The default value is
100mS. The allowed range is from 1ms to 850ms. The resolution is 0.25ms.
Parameter Type/Description
iScan
int Identifies the Scanner being addressed.
dStep
double Sets the step time. Allowed value is between 1ms to 850ms.
Return Value The return value is one of the following constants.
Value Meaning
SCAN_OKAY
Function succeeded.
Negative Value
Error code
Example status = SCANSetStepTime(0, 0.200); // Set step time
// to 200ms
SCANSetTriggerOut
H/W access Command ; Polled Command 
Description Set the Scanner Trigger output signal level.
#include “SM4040.H”
#include “ScanUser.H”
int SCANSetTriggerOut(int iScan, int iLevel)
Remarks This function forces the Scanner’s trigger output line to a high or a low level. With iLevel
set to one (1), the level is set high. Zero (0) forces it low. This setting is independent of
the trigger enable line, and may be used as a control line.
Parameter Type/Description
iScan
int Identifies the Scanner being addressed.