How can I release the HP8510C ?

[jli]

I am using LAbview to control Network Analyzer HP8510C.So if I run the program I built in my computer, the front panel of the HP8510C is useless and only the computer can sontrol it. I want control it after I finishing the Labview program, so that means I still can use the front panel to control it. But now if I finish running the Labview program, only after I restart the HP8510C, can I control it. Is there any way that I do not need to restart the HP8510C and when I close the Labview program, the HP8510C can be released from the computer automatically? Thanks.

[Dennis_Knutson]

Check your manual but most instruments support the GTL (Go To Local) command. You can use the VISA GPIB Command function to send it or if you're using the 488.2 functions instead of VISA, use the EnableLocal function. You might also want to check the instrument manual for a key or key combination to take it out of remote mode.

[jli]

Thanks for you help. I used a VISA GPIB Command to send a GTL command to HP8510C. But there are always broken lines in my Labview program. And it seems that there are class conflication in it. I am confused what is the VISA class? How can I fix it. The attachment is my Labview program. A big thanks.

[Michael_Munroe]

The function you need is already provided in the advanced VISA functions. Just search for "VISA GPIB control REN". Under the mode input, wire in a 6. Click for more help on the function, and all of the Mode choices will be explained. Mode 6 is GTL.

Michael

[Dennis_Knutson]

I gave you the wrong function. The one Michael gave is the correct one, The one I mentioned is for the GPIB bus and not for instruments. sorry about that.