Hi All
It seems that Les may have got the answer. We have all the patches installed
for the libraries but ......a 2 seconds time out default on the Agilent GPIB
controller seems a "little silly" particularly in applications such as this
where you are using the timeout to gate the test program's operation.
Maybe someone at Agilent can offer some guidance on this. In the meantime I
will have to buy the National Instruments GPIB-USB-B controller for my
future applications.
Thanks to all who helped.
Chris
-----Original Message-----
From: LesHammer [mailto:Les.Hammer@completetest.com]
Sent: 04 July 2004 04:55
To: VRF
Subject: [vrf] Re: Agilent USB GPIB interface!!
> Agilent Technologies has made three Patches(Patch1, Patch2, Patch3)
> for Agilent IO Libraries M.01.01.04.
In addition, the Agilent USB-GPIB converter has a time-out "floor"
of 2 seconds - so if you set 0.5 seconds it will still be 2.
Les Hammer
Complete Test
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It seems that Les may have got the answer. We have all the patches installed
for the libraries but ......a 2 seconds time out default on the Agilent GPIB
controller seems a "little silly" particularly in applications such as this
where you are using the timeout to gate the test program's operation.
Maybe someone at Agilent can offer some guidance on this. In the meantime I
will have to buy the National Instruments GPIB-USB-B controller for my
future applications.
Thanks to all who helped.
Chris
-----Original Message-----
From: LesHammer [mailto:Les.Hammer@completetest.com]
Sent: 04 July 2004 04:55
To: VRF
Subject: [vrf] Re: Agilent USB GPIB interface!!
> Agilent Technologies has made three Patches(Patch1, Patch2, Patch3)
> for Agilent IO Libraries M.01.01.04.
In addition, the Agilent USB-GPIB converter has a time-out "floor"
of 2 seconds - so if you set 0.5 seconds it will still be 2.
Les Hammer
Complete Test
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converter, where the something is a port supported by IO libraries
(example: GPIB, RS232, LAN). Otherwise VEE would talk to the device
directly, using a dll/ActiveX?
-Vinod
--- "STREET,ANDY (A-England,ex2)" <andy_street@agilent.com> wrote:
> Hi Simon et al,
>
> I might be missing something here, but VEE/Agilent IO Libraries are
> happy talking via serial to a USB-RS232 converter. I have a cheap
> LINDY USB-RS232 - I plugged it in and Windows handled the
> installation of the USB hardware. Lo and behold, another COM port
> was spawned. I could then use this COM port as if it were a COM port
> residing on the PC. It was a painless experience.
>
> Now, VEE to 'generic USB' is a different story. I think any
> peripherals such as memory sticks, LAN cards, IO converters on USB
> should be straightforward - Windows will handle them and present them
> to VEE/IO Libs as resources to be used e.g. memory stick will be
> handled by Windows file management so VEE simply asks OS to write
> file XXX to location YYY etc. But a generic USB device/using the USB
> as an IO port is a different story altogether....
>
> Andy
>
> -----Original Message-----
> From: Simon Parfitt [mailto:Simon.Parfitt@renesas.com]
> Sent: 02 July 2004 08:39
> To: VRF
> Subject: [vrf] RE: Can the M series of libraries communicate with a
> generic USB device?
>
>
> Hi there,
>
> I am looking into this as well! I need Vee to be able to communicate
> with
> via USB to RS23 converter. I require this for the speed. I have been
> looking
> for a while but cannot find any USB to RS232 converters with active x
> control etc etc...
>
> Anyone got ideas
>
> Simon
>
> -----Original Message-----
> From: landocalrissian@att.net [mailto:landocalrissian@att.net]
> Sent: 01 July 2004 16:24
> To: VRF
> Subject: [vrf] Can the M series of libraries communicate with a
> generic USB
> device?
>
>
> Hello from Gregg C Levine
> (Pardon the format! I am at a customer so I am away from my normal
> accounts!
>
> Can the current series of libraries communicate with a generic USB
> device?
> Not the USB to HPIB device, or any of the instruments, but one of
> those FTDI
> devices, such as "DLP Design has PC boards with a PIC and FTDI's USB
> chip."
> (Quoted from the USB pages at www.lvr.com )
>
> I remember an ealier discussion which revolved around a family of
> BASIC
> enabled devices, and I was urged to use the gizmos from FTDI, as
> opposed to
> a serial solution using the RS232 standard.
>
> My ultimate goal is to have VEE talking to breadboarded hardware via
> USB
> either 1.1 or 2.0, via those parts. Gregg C Levine
> landocalrissian@att.net
>
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