E8801A Instrument I/O Assistant Queries with SCPI commands not working sometimes

[Frostwing]

It shows up as a com port. 🙂

[billko]

If it shows up in MAX, you can communicate with it.  Have you tried communicating through MAX?  (Don't forget to terminate each cmmand with the \n like in the *IDN?\n example when you open up the VISA communicator.)

Were you successful with MAX?

Bill

[prologix]

Dear Frostwing, please contact Prologix support (support@prologix.biz) off list. Thanks.

[Mr.FF]

Hi,

my problems are just the same. I am using the Progolix GPIB-USB Controller 4.2. I can communicate with it in MAX. The write and read functions in the register "Basic I/O" work fine.

The problem is when i try to make the same with my own vi.

My programm starts with the vi open Visa -> write(serial) -> read (serial) -> close Visa. The write vi gets the same input like the Basic I/O in MAX: "id?\n" but i do not get an answer.

Does anybody has an idea how to solve the problem.

I hope someone can help and i know that most of you think i should by a "real" GPIB USB Controller, but i have this one already.

Best regards

[Dennis_Knutson]

You perhaps only think you are sending \n. Did you turn on '\' Codes Display? You should attach code when you are having problems. Is this also with the E8801A?

[Dennis_Knutson]

Also, id? is an invalid command.

[Mr.FF]

Hi,

first of all thank you for your answers. Secondly shame on me i was blind and got the wrong thread. To be honest i do not even know what E8801A means. Sorry for that.

But for the sake of completeness i think i should post the solution for my problem though it isn't a real solution. Blind as i am i could not find/search for the right example vi. By looking at the example "advanced_serial_write_and_read.vi" i could see how to do it with sending the "\n" in the right way.

Best regards