Re: Connecting to Spectrum Analyzer via AT-GPIB?

2004-06-10 Thread TommyTestBoy
In order to do a Read, you most likely need to do a Write first. Some instruments continually output data over the bus, but that is rare. Try using a Query and Parse block and use "*idn?" or whatever identification query your instrument supports, and see if that works.

Re: Connecting to Spectrum Analyzer via AT-GPIB?

2004-06-10 Thread T. Martin
I tried connecting to the instrument via MAX, and it works. The instrument is listed and I can run a basic query and get a response. Using the I/O Assistant, though, running either the Select Instrument or Read and Parse steps results in a timeout. It seems that it doesn't want to receive data fro

Re: Connecting to Spectrum Analyzer via AT-GPIB?

2004-06-09 Thread TommyTestBoy
Travis, Can you see the instrument in MAX and communicate with it there? You should be able to find your GPIB card under Devices and Interfaces, and then select Scan For Instruments on the card. Then you can try to communicate with the instrument from there to test your setup. If you are not ab

Connecting to Spectrum Analyzer via AT-GPIB?

2004-06-08 Thread T. Martin
I have installed an AT-GPIB following the exact steps in the installation guide (including the compatibility release), and the software/hardware diagnostics say that the device is working. The device is not listed in the Device Manager though, for some reason, and Add New Hardware does not list the