AnsweredAssumed Answered

vrf After upgrade to VEE7 issues with VXI calls

Question asked by VRFuser on Apr 6, 2005
Latest reply on Apr 6, 2005 by VRFuser
A lot depends on the type of GPIB controller you are using. Do you have an
embedded controller or E8491B for the VXI? Are you using a 82357A or an
E5810 for GPIB? If you are using the panel drivers then you cannot use suite
14, you must load IO libraries version L and update to M for VEE 7. This
allows the ISCPI driver to exist for register based instrument support.
Version L is the last ISCPI supported library released by Agilent and you
need M for VEE 7 support. This may not be your problem but it works for us.

-----Original Message-----
From: gf durin [mailto:durin@ien.it]
Sent: Wednesday, April 06, 2005 5:08 AM
To: VRF
Cc: VRF
Subject: Re: [vrf] After upgrade to VEE7 issues with VXI calls


Dale Hauck wrote:
> After any VXI call, GPIB is locked and cannot communicate to any
instrument.
> Only invocation of a new instrument find allows nominal operation. Saving
> after instrument find makes no difference. Program still faults after
first
> VXI call.
> Short of running an instrument find at program initialization, or
replacing
> all VXI calls, any ideas???....
>

Today I made the error to update the I/O libraries from M.01.01 to 14
and vee from 6 to 7.03. Now I cannot longer comunicate with VXI
instruments unless I use the P&P driver (I'll check again not sure).
Unfortunately I have instruments not using P&P.
I guess the problem is similar.

How do you comunicate with VXI? I mean, do you use gpib and a number
similar to 709xx? This does not longer seem to work, getting a timeout
error.
Note that using VISA, I can send standard *RTS, IDN? etc. with no
problems. Did you try this?

I also had problems to find the instruments. I had to manually add them
as a GPIB0 devices and only AFTER THAT the GPIB0:VXI has been recognized
as a valid interface. This is a mistery to me.

Back to fight a little bit with this...

Gianfranco
--
Istituto Elettrotecnico Nazionale Galileo Ferraris
Strada delle Cacce, 91 - 10135 Torino Italy
tel: ++39 011 3919839    fax: ++39 011 3919834
Personal home page: http://www.ien.it/~durin/
IEN home pag: http://www.ien.it/
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