Operator`s manual

49 Signametrics
multiple channel relays can be closed. With iState set to OPEN, open the iChan relay.
Close it if iState is set to CLOSE. See ScanUser.H for definitions. See also
SCANSetConfigRelay function.
Parameter
Type/Description
IScan
int Identifies the Scanner. Numbered starting with zero.
IState
int Closes a channel relay if equal to CLOSE, opens it if OPEN.
(OPEN = ‘O’ or 0X4F and CLOSE = ‘C’ or 0X43)
IChan
int Channel number Range: 1 to 35 depending on selected
configuration. If iState = OPEN and iChan = 0, open all channel
relays.
Return Value Integer error code.
Value
Meaning
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 “SMX4032.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, ColdJunction or Disabled configurations. All
configuration constants are defined in the ScanUser.H file. It consumes t-Actuation to set
the configuration.
Parameter
Type/Description
iScan
int Identifies the Scanner. Numbered starting with zero.
iConfiguration
int Configuration to set
Return Value Integer error code.
Value
Meaning