Instrument did not respond to the *idn? query

[Datti]

I cant't communicate with one of my instruments. It's desription is "Instrument did not respond to the *idn? query". This is a digital oscilloscope fppm3350. The other - a multimeter - works good.

[JoeGatewood]

If this is an older instrument (HPIB communication
protocol) there may not be a programmed response to
"*idn?" Is the failure to communicate a new development or are you trying to establish a new communication link? Do you have the instrument API?

[Bill Choy]

Hi Datti

You should use this command in capital letter, *IDN?

Bill.

[saikey]

Actually the capitalization is optional on most, if not all, eqiupment.
so "*idn?" is equivalent to "*IDN?"

"ctbiu" wrote in message
news:506500000005000000517C0000-1021771306000@exchange.ni.com...
> Hi Datti
>
> You should use this command in capital letter, *IDN?
>
> Bill.

[saikey]

I have many instruments which do not respond to _any_ of the "*" commands.
Try some sending some commands to the thing.

"Datti" wrote in message
news:5065000000080000007A4A0000-1021771306000@exchange.ni.com...
> I cant't communicate with one of my instruments. It's desription is
> "Instrument did not respond to the *idn? query". This is a digital
> oscilloscope fppm3350. The other - a multimeter - works good.