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Examples
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_viSetTimeout.au3
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2005-02-06
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;- This assumes that you have instrument set to GPIB address 3.
; If you have an instrument in a different address change "GPIB::3::0" to the
; corresponding descriptor. Do the same for the call to _viOpen
; It shows how to use the _viExecCommand function with a timeout or how to
; call _viSetTimeout instead.
#include <Visa.au3>
Dim $h_session = 0
; Query the ID of the instrument in GPIB address 3
MsgBox(0,"Step 1","Simple GPIB query with explicit TIMEOUT set")
Dim $s_answer = _viExecCommand("GPIB::3::0","*IDN?",10000) ; 10 secs timeout
MsgBox(0,"GPIB QUERY result",$s_answer) ; Show the answer
; This is the same as using the _viSetTimeout function first:
MsgBox(0,"Step 2","_vOpen + timeout using _viSetTimeout + GPIB query")
Dim $h_instr = _viOpen(3)
_viSetTimeout($h_instr, 10000) ; 10000 ms = 10 secs
$s_answer = _viExecCommand($h_instr,"*IDN?") ; No need to set the timeout now
MsgBox(0,"GPIB QUERY result",$s_answer) ; Show the answer
MsgBox(0,"Step 3","Close the Instrument connection using _viClose")
_viClose($h_instr) ; Close the instrument connection