home *** CD-ROM | disk | FTP | other *** search
- ;- 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 _viGTL function with a VISA descriptor and with a
- ; VISA device handler. We use _viExecCommand first to force the instrument to go
- ; into "Remote mode"
-
- #include <Visa.au3>
-
- Dim $h_session = 0
-
- ; Query the ID of the instrument in GPIB address 3
- MsgBox(0,"Step 1","Simple GPIB query using a VISA Descriptor")
- Dim $s_answer = _viExecCommand("GPIB::3::0","*IDN?",10)
- MsgBox(0,"GPIB QUERY result",$s_answer) ; Show the answer
-
- MsgBox(0,"Step 2","Go to LOCAL using VISA Descriptor")
- _viGTL("GPIB::1::0") ; Go to local (exit remote control mode)
-
- MsgBox(0,"Step 4","Open the instrument connection with _viOpen")
- Dim $h_instr = _viOpen(3)
- MsgBox(0,"Instrument Handle obtained", "$h_instr = " & $h_instr) ; Show the Session Handle
- ; Query the instrument
-
- MsgBox(0,"Step 5","Query the instrument using the VISA instrument handle")
- $s_answer = _viExecCommand($h_instr,"*IDN?") ; $h_instr is NOT A STRING now!
- MsgBox(0,"GPIB QUERY result",$s_answer) ; Show the answer
- ; Query again. There is no need to OPEN the link again
-
- MsgBox(0,"Step 6","Query again. There is no need to OPEN the link again")
- $s_answer = _viExecCommand($h_instr,"*IDN?")
- MsgBox(0,"GPIB QUERY result",$s_answer) ; Show the answer
-
- MsgBox(0,"Step 7","Go to LOCAL using VISA instrument handle")
- _viGTL($h_instr); Go to local (this is optional)
-
- MsgBox(0,"Step 8","Close the Instrument connection using _viClose")
- _viClose($h_instr) ; Close the instrument connection
-