From: slos <new.stephane.los@gmail.com>
Subject: Re: Simple Components 4.12 with MQTT implementation released
Date: Thu, 14 Apr 2016 14:30:54 -0700 (PDT)
Date: 2016-04-14T14:30:54-07:00 [thread overview]
Message-ID: <c0a6c1c9-ac45-4e16-84f8-129134287764@googlegroups.com> (raw)
In-Reply-To: <nep0d9$vnc$1@dont-email.me>
Le jeudi 14 avril 2016 23:03:47 UTC+2, björn lundin a écrit :
> On 2016-04-14 18:47, Dmitry A. Kazakov wrote:
> > On 2016-04-14 15:01, slos wrote:
> >
> >> Anyone for OPC ? ;-)
> >
> > Well, which of?
> >
> > OPC DA is, truth to tell, garbage.
>
> Yes.
>
>
> > OPC UA is under permanent development. It is impossible to say when it
> > will reach even a semi-standard stage.
>
> Iteresting. Never heard of it.
> But we left the OPC-world 10 years ago,
> when we realized it is much better with direct socket
> with some protocol we PLC-guys and we could agree upon.
>
> >
> > Regarding architecture, OPC is barely usable in automation because of
> > its heavy client/server architecture. Part of our business is to replace
> > OPC with better middleware architectures. Replacement works smoothly
> > because in most cases you can throw out the OPC server and communicate
> > with the hardware directly. E.g. most SPS' support either ITOT or
> > ModBus, each far superior to OPC.
> >
>
> The only real advantage I can see is the OPC-scout - a way of
> browsing raw data in the plc.
> But that is for manual use, and troubleshooting,
> so for 'office' use I can see OPC as something not too bad -
> hence why I wrote down the opcda code in another answer.
> For automation - other protocols are better
>
>
> --
> --
> Björn
Be prepared to ear about it soon.
Just google for "industry 4.0 opc ua"
next prev parent reply other threads:[~2016-04-14 21:30 UTC|newest]
Thread overview: 37+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-04-12 18:48 Simple Components 4.12 with MQTT implementation released Dmitry A. Kazakov
2016-04-14 8:54 ` slos
2016-04-14 10:07 ` Dmitry A. Kazakov
2016-04-14 13:01 ` slos
2016-04-14 16:19 ` Björn Lundin
2016-04-14 16:49 ` Dmitry A. Kazakov
2016-04-14 20:57 ` Björn Lundin
2016-04-14 21:29 ` slos
2016-04-14 21:20 ` slos
2016-04-15 11:29 ` Björn Lundin
2016-04-15 12:13 ` slos
2016-04-14 16:47 ` Dmitry A. Kazakov
2016-04-14 21:03 ` Björn Lundin
2016-04-14 21:30 ` slos [this message]
2016-04-15 8:01 ` Dmitry A. Kazakov
2016-04-15 10:06 ` slos
2016-04-15 11:12 ` Björn Lundin
2016-04-15 15:05 ` Dmitry A. Kazakov
2016-04-15 15:17 ` slos
2016-04-15 15:34 ` Dmitry A. Kazakov
2016-04-15 16:00 ` slos
2016-04-15 16:39 ` Dmitry A. Kazakov
2016-04-15 22:39 ` slos
2016-04-15 15:47 ` slos
2016-04-15 16:30 ` Dmitry A. Kazakov
2016-04-15 22:18 ` slos
2016-04-16 8:12 ` Dmitry A. Kazakov
2016-04-16 17:48 ` slos
2016-04-18 16:33 ` Dmitry A. Kazakov
2016-04-19 11:51 ` hanslad
2016-04-19 12:43 ` Dmitry A. Kazakov
2016-04-19 12:59 ` high frequency time stamping (Was: Simple Components 4.12 with MQTT implementation released) G.B.
2016-04-19 13:35 ` Dmitry A. Kazakov
2016-04-20 7:55 ` Georg Bauhaus
2016-04-20 8:48 ` Dmitry A. Kazakov
2016-04-19 13:43 ` Simple Components 4.12 with MQTT implementation released hanslad
2016-04-19 16:39 ` Dmitry A. Kazakov
replies disabled
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox