Pinchas Flau wrote in message news:... > I had the same problem with an old GPIB controlled device. > The device manufacturer didn't know to solve the problem. > National Instruments Israel advised us to use an older GPIB board for ISA > bus instead of a PCI-GPIB board that is suspected to work too much speedly > for old GPIB controlled device. > I have not tried the solution because I had another newer device that works > correctly with the PCI-GPIB board. > It's also preferable to work with GPIB boards of National Instruments that > are fully compatible with Labview. (We encountered troubles with PCI-GPIB > boards of ComputerBoards that were able to be fully compatible with Labview > according to Computer Board) > > Good Luck > Pinchas > > Ken wrote in message > news:iosS3.3203$Hc.7406479@news.optonline.net... > > Having a problem with using an old instrument and labview gpib. The card > is > > the national instruments gpib card but the "instrument" is an old 5600 > > switching main frame. Just a bunch of relays that are addressed via the > gpib > > card. the problem is that labview sees it but tells me that it isn't > 488.2 > > compatable. I can transmit to it, not sure if it sees me though. I have > to > > put in some wires and find out if the relays are latching or not. the > labview > > gpib programs will not acknowledge any transmissions from the mainframe, > if > > there are any. if anyone has any ideas, i would appreciate it. I have > > contacted the vendor of the mainframe but they don't answer my queries. > > > > ken > >