Signametrics Corporation SM4020, Operator'S Manual

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Signametrics 48
SCAN_OKAY
Operation successfully completed.
Negative Value Error code
Example
SCANSetChannelRelay(0,OPEN,10); // Open channel 10 relay
for(I=1; I<=9; I++) // Close 1,2..,9
SCANSetChannelRelay(0, CLOSE,i);
SCANSetConfig
H/W access Command
;
Polled Command
†
Description Set the Scanner configuration to one of the predefined modes.
#include “SM4040.H”
#include “ScanUser.H”
int
SCANSetConfig(int iScan , int iConfiguration)
Remarks This function sets the Scanner to one of the available configurations. It acts on both, the
configuration relays and tree relays to set the Scanner for
TwoWire, FourWire, SixWire,
TwoGroups, FourGroups, Universal or Disabled configurations. The SixWire and
FourGroups configuration are only available with the SM4040 and SM4042. All
configuration constants are defined in the ScanUser.H file. It consumes t-Actuation to set
the configuration. Setting configuration to
Universal or Disabled opens all relays.
Parameter Type/Description
iScan
int Identifies the Scanner. Numbered starting with zero.
iConfiguration int Configuration to set
Return Value Integer error code.
Value Meaning
SCAN_OKAY
Operation successfully completed.
Negative Value Error code
Example
SCANSetConfig(0, TwoWire ) // Set scanner to 2-Wire
//configuration
SCANSetConfigRelay
H/W access Command
;
Polled Command
†
Description Set one of the configuration relays.
#include “SM4040.H”
#include “ScanUser.H”
int
SCANSetConfigRelay(int iScan , int iState, int iRelay)
Remarks This function opens or closes the selected configuration and tree relays. It is only
available while the Scanner is set to the
Universal configuration. With iState set to
CLOSE the selected relay is closed, while OPEN opens it. The Configuration and Tree
relays are defined in the ScanUser.H file. They include AtoA, BtoA, BtoB, CtoA, DtoA,