AnsweredAssumed Answered

vrf Serial port communication

Question asked by fukui.yutaka on Aug 3, 2004
Hi,


I feel glad to know this problem has been solved.

This is just for your information.


VEE automatically detects a serial port by "Find Instruments" in

the Instrument Manager. However, VEE does not automatically

detect a instrument connected to the serial port.


Regards,
FUKUI Yutaka


> Dwayne Rowland wrote:
>
> Yes I can talk to the scope with visa but not Vee. Will Vee normally
> automatically detect a serial instrument? Because if I try to "Find
>  Instruments" in the Instrument Manager, Vee finds all of the GPIB
> instruments but does not find the serial instrument.
>
> Just to clarify, the error I get says " Serial Interface, at 1, is not
> configured for this system. Error number 801.
>
> ----------------------------------------------------------------------
> From: Rufus Warren [mailto:rwarren@amti.net]
> Sent: Tuesday, August 03, 2004 8:12 AM
> To: Dwayne Rowland; 'VRF'
> Subject: RE: [vrf] RE: Serial port communication
>
> What's happening here?  I suggest look at the basic needs.
>
> Assuming all plugged correctly and power on ok.
>
> 1st the com port is active in windows.
> 2nd it is active(same settings) in IO config
> 3rd it is active(same settings) within VEE  IO | Instrument manager
> 4th the instrument is talking same protocol as above
> 5th the instrument is set to use the com port
>
> Then you send and identify *idn? and this works at visa but not at
> vee?
>
> Is this what you are saying?
>
>
> Whoa, we got hebejeebees.
>
> ----------------------------------------------------------------------
> From: Dwayne Rowland [mailto:drowland@rfmd.com]
> Sent: Tuesday, August 03, 2004 7:58 AM
> To: VRF
> Subject: [vrf] RE: Serial port communication
>
> The *idn? command works fine when sent to the instrument using VISA
> assistant but when I try it from VEE I am now getting an error that
> says "Instrument is not configured properly", all of the settings on
> the scope match the settings in VEE.
>
> ----------------------------------------------------------------------
> From: Ron Pratt [mailto:RPratt@symmetricom.com]
> Sent: Monday, August 02, 2004 7:37 PM
> To: VRF
> Subject: [vrf] RE: Serial port communication
>
> One quick test is to try a terminal emulator to verify communications
> between computer and scope.  This would 1/2 split the problem.  The
> *idn? command should yield a response on the terminal screen.
>
>      -----Original Message-----
>      From: Dwayne Rowland [mailto:drowland@rfmd.com]
>      Sent: Monday, August 02, 2004 12:29 PM
>      To: VRF
>      Subject: [vrf] RE: Serial port communication
>
>      I have defined the IO as RS232. When I send the *idn?
>      command, or any other command for that matter, nothing
>      happens. It's like the command is not getting sent to the
>      instrument.
>
>      ------------------------------------------------------------
>      From: Ron Pratt [mailto:RPratt@symmetricom.com]
>      Sent: Monday, August 02, 2004 3:17 PM
>      To: VRF
>      Subject: [vrf] RE: Serial port communication
>
>      Have you defined the IO for the scope to be RS232 ?  If you
>      send a query like *idn? do you get a timeout msg?  A timeout
>      suggests either the scope is not configured for serial comm
>      or the Tx Rx lines are swapped.
>
>           -----Original Message-----
>           From: Dwayne Rowland [mailto:drowland@rfmd.com]
>           Sent: Monday, August 02, 2004 12:10 PM
>           To: VRF
>           Subject: [vrf] Serial port communication
>
>           Greetings,
>
>           I need to control an Agilent 54621D oscilloscope
>           via RS232. Can anyone give me any insight to how
>           this is accomplished. I thought it was as simple
>           as adding a serial instrument in the I/O config,
>           making sure the Baud Rate and handshake are the
>           same on the instrument and in Vee, and then off
>           you go. However, it seems I am missing something
>           because Vee will not send any commands to the
>           instrument. It's like it doesn't even know the
>           instrument is there. I am using the correct cable.
>
>           Any help will be greatly appreciated,
>
>           Dwayne
>
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