Re: [foxboro] One more question...

Everyone,
I greatly appreciate the prompt and friendly responses. The GDEV is indeed
analogous to Siemens TXP/SPA3000T DCM (drive control module). I would
assume, maybe wrongly, that the GDEV has a symbol related with it? The DCM
is just a block with configurable inputs for a myriad of things; I am
assuming the GDEV is probably the same.

Again, I appreciate all of your help and thanks for the welcome Anton!

Regards,
Steve

On 12/27/06, Prinsloo, Anton <Anton.Prinsloo@xxxxxxxxxxx> wrote:
>
> Welcome to the fold Steve,=20
>
> You'll see that you'll be working with a magnificent animal - which has
> it's own quirks no doubt about that. I've been working on and with it
> since the pre-release software days, oh 1986 if I recall rightly. It can
> best be regarded as a humongous toolbox with every toy you can possibly
> wish for. HOWEVER, as for the question regarding standards - naaaaah -
> that's one thing it never had.=20
>
> For a lot of it - you make it up as you go or nurture/dump what somebody
> left you and use this site well - a decent bunch of people...
>
> And yes, the block used to be called the generic device block but had a
> bit of a name change somewhere along the way.
>
> Kind regards
> Anton Prinsloo
> Control System Superintendent
> Zinifex Century Mine
>
> -----Original Message-----
> From: foxboro-bounce@xxxxxxxxxxxxx [mailto:foxboro-bounce@xxxxxxxxxxxxx]
> On Behalf Of Jones, Charles R. (Chuck)
> Sent: Thursday, 28 December 2006 11:08 AM
> To: foxboro@xxxxxxxxxxxxx
> Subject: Re: [foxboro] One more question...
>
>
> On 12/27/06, Stephen Ziegler <stephen.m.ziegler@xxxxxxxxx> wrote:
> > Sorry all, I meant to include this in my last post.  What exactly is a
>
> > "GDEV"?  From reading the posts, it sounds like a DCM from =
> Siemens=3D20=20
> > TXP. What is the standard symbol for this?
>
> And Jeremy Milum wrote:
> > It is a General DEVice block. It can be used for valves, motors,
> pumps, etc.
>
> To which Chuck Jones adds (humbly):
> Previous to this block (and still in existence) are more blocks for
> specific digital devices:
> MOVLV for motor driven valves
> MTR for motors
> VLV for pneumatic valves
>
> The GDEV (I've often wondered if "Generic" DEVice block might be more
> descriptive) block combines these different blocks into one generic
> block.  This combined functionality is an asset when sequence blocks
> have been written for years when a digital device of one type is
> replaced by another.  (We recently changed one very large pneumatically
> operated digital valve with a motor driven valve without having to
> change the sequence code because the controlling block, a GDEV, did not
> change.)  Another advantage--especially for beginners--is that you can
> get by with learning one block instead of several.
> =3D20
> =3D20
> I hope you like the your new system.  The rest of us here really like it
> (pretty much all of the time!).
>
> Cheers,
> Chuck Jones
> Automation Technologist
> Tate & Lyle -- Lafayette Plant
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