Omega OMB-DAQ-54 User Manual page 157

DLL Function daqIOWriteBit(DaqHandleT handle, daqIODeviceType devType, daqIODevicePort devPort,
DWORD whichDevice, daqIOExpansionPort whichExpPort, DWORD bitNum, BOOL bitValue);
daqIOWriteBit(DaqHandleT handle, DaqIODeviceType devType, DaqIODevicePort devPort,
C
DWORD whichDevice, DaqIOExpansionPort whichExpPort, DWORD bitNum, BOOL bitValue);
Visual BASIC VBdaqIOWriteBit&(ByVal handle&, ByVal devType&, ByVal devPort&, ByVal whichDevice&,
ByVal whichExpPort&, ByVal bitNum&, ByVal bitValue&)
Delphi daqIOWriteBit(handle:DaqHandleT; devType:daqIODeviceType; dvPort:daqIODevicePort;
whichDevice:DWORD; whichExpPort:daqIOExpansionPort; bitNum:DWORD;
bitValue:longbool)
handle
Parameters
devType
devPort
whichDevice
whichExpPort
bitNum
bitValue
DerrNoError
Returns
See Also daqIOWrite, daqIORead, daqIOReadBit
DIGEX1.C, DAQEX.FRM (VB), DAQEX.PAS (Delphi)
Program References
All devices except Personal Daq/54
Used With
Description
daqIOWriteBit allows you to write a specified bit on the selected device and port. The write operation will write the specified bit value to
the bit selected. The selected bit, specified by the bitNum parameter, corresponds to the channel on the port for the IO to be driven. The
bitValue parameter should be set to TRUE to drive the channel to a high state or FALSE indicating a low state.
DLL Function daqOnline(DaqHandleT handle, PBOOL online);
C daqOnline(DaqHandleT handle, PBOOL online);
VBdaqOnline&(ByVal handle&, online&)
Visual BASIC
Delphi daqOnline(handle: DaqHandleT; var online: longbool)
Parameters handle
online
Returns DerrNoError
daqOpen, daqClose
See Also
None
Program References
Used With All devices
Description
daqOnline allows you to determine if a device is online. The device handle must be a valid device handle which has been opened using
the daqOpen function. The online parameter indicates the current online state of the device (TRUE - device online; FALSE - device not
online).
B-24 API Commands
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daqIOWriteBit
Handle of the device to perform an IO write to
IO device type
IO device port selection
IO device selection
IO device expansion port address
Bit number to write
Bit value to write (TRUE – high, FALSE - low)
No error
daqOnline
Handle of the device to test for online
Boolean indicating whether the device is currently online
No error
Appendix B,
887095
Personal Daq User's Manual