Appendix A
Status Word Conditions
© National Instruments Corp.
A-5
NI-488.2M UM for Windows NT
DTAS (brd)
DTAS indicates whether the GPIB board has detected a device trigger command. DTAS
is set whenever the GPIB board, as a Listener, detects that the Group Execute Trigger
(GET) command has been sent by another Controller. DTAS is cleared on any call
immediately following an
ibwait
call, if the DTAS bit is set in the
ibwait
mask
parameter.
DCAS (brd)
DCAS indicates whether the GPIB board has detected a device clear command. DCAS is
set whenever the GPIB board detects that the Device Clear (DCL) command has been
sent by another Controller, or whenever the GPIB board as a Listener detects that the
Selected Device Clear (SDC) command has been sent by another Controller. DCAS is
cleared on any call immediately following an
ibwait
call, if the DCAS bit was set in
the
ibwait
mask parameter. It also clears on any call immediately following a read or
write.
