I think I misunderstood what you were looking for Gerhard.
Thanks for the update.
Gus


> On Jun 3, 2009, at 7:34 AM, Gerhard Fiedler wrote:
>
> Gerhard Fiedler wrote:
>
>> I'm looking for something that provides something like LabVIEW with
>> some IO card provides, but a lot less expensive. Something that has a
>> few general purpose digital and analog IOs and can be easily
>> programmed to do simple tasks. Something like repetitively switching
>> a relay on and off (as input to a device) and checking whether an
>> output (of the device) follows, within a defined time window, logging
>> the reaction time and any failures, counting the failures and
>> aborting when they reach a threshold.
>
> Thanks for all the replies.
>
> The LabJack series, the B&B products and the Measurement Computing
> devices are pretty close to what I'm looking for. I'll have to see
> whether programming in something like VB, C# or Just/Liberty BASIC is
> viable for this purpose, but after an initial project that shows how  =

> to
> set it all up and get it going, this is probably ok. The devices are  =

> in
> the $100 range. I don't think that it's possible to create something  =

> as
> useful in the time that corresponds to this value :)
>
> The LabJack U3 looks a bit nicer than the B&B modules, is a bit more
> expensive than the cheapest ones and is USB, with drivers that should
> work for most programming languages. The MC devices look a bit more
> solid (not necessarily mechanically, but from the overall product
> presentation), but seem to be less flexible and more expensive.
>
> The =B5Chameleon looks also quite nice. A bit more expensive, but can  =

> work
> as a stand-alone device with the built-in BASIC interpreter. This  =

> may be
> useful.
>
> Xiaofan, can you please point me to a line of cheap PLCs? I've  =

> searched
> a bit, but it seems to need some market knowledge to get there...  =

> Google
> hasn't yet a price range in its advanced search :) I seem to remember
> that there are some viable options in the sub-$300 price range, but I
> didn't find any.
>
> Gus, I didn't quite understand how you would use ExtendSim in this
> application. It seems to be a general-purpose simulator, and priced in
> about the same range as LabVIEW. The virtutech products (your other
> link) also seem to be around simulation.
>
> Again, thank you all for your input.
>
> Gerhard
>
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