55
Signametrics
Description
Set the RTD parameters.
#include “SM4040.H”
#include “ScanUser.H”
int
SCANTestConfigRelay(int
iScan
, int
iConf,
double
* lpdBounce
)
Remarks
This function tests a single configuration or tree relay. Its diagnostics include excessive
bounce and open and short failures. If no failure, the Actuation time of the relay,
including bounce time, is stored at a location pointed to by dt
Actuate
. This value can be
used to fine-tune the Scanner for maximum switching performance by setting the highest
Actuation time using
SCANSetActuationTime
. The
iConf
parameter can be set to one
of; AtoA, BtoA, BtoB, CtoA, CtoC, DtoA, DtoC or DtoD for the SM4040 and SM4042.
For the SM4020 and SM4022, the
iConf
parameter is limited to AtoA, BtoA, or BtoB.
See the
ScanUser.h
file for definitions. The test connector is required to execute this
procedure. Following the completion of this test, the Scanner is set to the
Disabled
configuration.
Parameter
Type/Description
iScan
int
Identifies the Scanner being addressed.
lpdBounce
Doulbe *
Pointer where the bounce time value is to be saved.
iConf
int
Identifies the configuration/tree relay to be tested.
Return Value
Integer error code.
Value
Meaning
SCAN_OKAY
Operation successfully completed.
Negative Value
Error code
Example
SCANTestConfigRelay(0, BtoA, &t); // test the BtoA relay
SCANTrigAutoScan
H/W access Command
;
Polled Command
;
Description
Set Scanner for Triggered Auto Scan operation.
#include “SM4040.H”
int
SCANTrigAutoScan
(
int
iScan,
int
iPoints
)
Remarks
This is the externally triggered version of
SCANAutoScan
operation. Following
acceptance of this command, the Scanner enters a wait state, whereby it waits for a
trigger edge to start an Auto Scan operation. Trigger edge is whatever was previously
selected using the
SCANTriggerOutState
. Being a polled operation, it requires
SCANReady
to return TRUE as indication of completion. Do not issue new command
util
SCANReady
returns TRUE. An exception is the
SCANAbort,
which terminates this
operation. Keep in mind that the last channel selected is left closed. See
SCANAutoScan
for details.
Parameter
Type/Description
iScan
int
Identifies the Scanner being addressed.
Summary of Contents for SM4020
Page 61: ...Signametrics 60...
