GPIB BUS "reset": Use this function when the GPIB BUS gets stuck for some reason. You might be lucky and resolve the problem by calling this function
#include <Visa.au3>
_viGpibBusReset ( )
| Success: | 0. |
| Failure: | -1 if the VISA DLL could not be open or a NON ZERO value representing the VISA error code (see the VISA programmer's guide) |
As for all the VISA functions the VISA libraries must be installed (you can check whether visa32.dll is in {WINDOWS}\system32) and a GPIB card (such as a National Instruments NI PCI-GPIB card or an Agilent 82350B PCI High-Performance GPIB card) must be installed
_viClose, _viExecCommand, _viFindGpib, _viGTL, _viOpen
; This example tries to "reset" the GPIB bus after a BUS "lock". This is rare,
; but it might happen if one of the instruments connected to the BUS has crashed
#include <Visa.au3>
_viGpibBusReset()