Re: [foxboro] Foxboro and Allen Bradley
- From: "Robert Driscoll" <rdrisco@xxxxxxxxxxx>
- To: foxboro@xxxxxxxxxxxxx
- Date: Wed, 09 Jan 2002 18:32:48 -0500
Chad,
I guess you will have to either buy more Integrators or extend your existing
modbus network to accomodate the new data you wish to integrate - anybody
out there been through that recently (I have that problem now)?
When I look at my existing MG30s and AB30s I count FOUR ports on top (on the
"elevator"). Why are some of you saying ther are TWO ports?
We think this limitation is dumb, since a COMM processor can talk to
different printers or terminals on its four different ports, but an
Integrator cannot do the same thing with multiple PLCs using its different
ports.
As I said, I like the idea of the AW51-I best, with all the A-B PLCs, and
the AW, plugged into one ethernet hub.
Bob Driscoll
Bravo Northwest Power Systems
>From: "Gary M. Jones" <gjones@xxxxxxxxxxxxx>
>Reply-To: foxboro@xxxxxxxxxxxxx
>To: "'foxboro@xxxxxxxxxxxxx'" <foxboro@xxxxxxxxxxxxx>
>Subject: Re: [foxboro] Foxboro and Allen Bradley
>Date: Wed, 9 Jan 2002 13:13:11 -0600
>
>
>It is true according to the Foxboro hardware documentation. See PSS
>21H-7G4 B3 for Modbus devices and PSS 21H-7G5 B3 for Modbus Plus devices.
> The additional ports are only used for redundant connections in port 2.
>
>Gary M. Jones
>James-Mangan Automation
>Phone: 979-265-5556 Ext. 102
>Fax: 979-265-5502
>Cell: 979-480-4072
>e-mail: gjones@xxxxxxxxxxxxx
>
>
>-----Original Message-----
>From: Airhart, Chad M. [SMTP:Chad.Airhart@xxxxxxxxxxxxxxxx]
>Sent: Wednesday, January 09, 2002 12:59 PM
>To: 'foxboro@xxxxxxxxxxxxx'
>Subject: Re: [foxboro] Foxboro and Allen Bradley
>
>
>Is that true for the Modicon PLC Gateways. I thought each of the four
>ports
>on top of the integrator could be connected to different devices? Is that
>not true? We have not done it yet but are planning on using another port
>on
>a Gateway already in use communicating with our GC's for communicating with
>some billing power meters and a third port for communicating with some
>networked coriolis meters. I had not planned on having to buy additional
>gateways for those projects.
>
>Chad Airhart
>Senior Instrument, Electrical & Control Systems Engineer
>Equistar Chemicals, LP.
>Victoria, TX
>Wk. (361) 572-2568
>Pgr. (361) 270-2214 alpha messaging at 3612702214@xxxxxxxxxxxxxxxx
>Fx. (361) 572-2541
>
>
> > -----Original Message-----
> > From: Robert Driscoll [SMTP:rdrisco@xxxxxxxxxxx]
> > Sent: Wednesday, January 09, 2002 9:55 AM
> > To: foxboro@xxxxxxxxxxxxx
> > Subject: Re: [foxboro] Foxboro and Allen Bradley
> >
> >
> > To all,
> >
> > One thing I seem to have learned is that, with either the Allen-Bradley
>or
> >
> > Modicon Integrator modules, the only way to connect multiple devices
>into
> > the Foxboro is to do it through a connection to a PLC network such as
>DH,
> > ethernet, or modbus multidrop. Even though there may be more than one
> > port
> > on the integrator, you cannot direct connect two or more separated PLCs
>to
> >
> > the integrator, the integrator must connect to either one PLC directly,
>or
> >
> > to one multi-PLC network. The only use of additional ports is for
> > redundancy. Its not one PLC (or network) per port. Also you cannot
> > connect
> > two separate networks to an integrator. Please confirm this
> > understanding.
> >
> > Thanks everyone for your advice on this one.
> >
> > Regards,
> >
> > Bob Driscoll
> > Bravo Northwest Power Systems
> >
> >
> > >From: "Robert Driscoll" <rdrisco@xxxxxxxxxxx>
> > >Reply-To: foxboro@xxxxxxxxxxxxx
> > >To: foxboro@xxxxxxxxxxxxx
> > >Subject: Re: [foxboro] Foxboro and Allen Bradley
> > >Date: Fri, 04 Jan 2002 12:47:24 -0500
> > >
> > >
> > >We will be installing six ethernet CL PLCs each with approximately 500
> > I/O.
> > >I think its a good fit for the AW51-I.
> > >
> > >I checked the list prices of the Foxboro items on their website. About
> > how
> > >much is the A-B Interchange package?
> > >
> > >Bob Driscoll
> > >Bravo Northwest Power Systems
> > >
> > >
> > > >From: "Stephen T. Woodworth" <swoodworth@xxxxxxxxxxxxxxx>
> > > >Reply-To: foxboro@xxxxxxxxxxxxx
> > > >To: <foxboro@xxxxxxxxxxxxx>
> > > >Subject: Re: [foxboro] Foxboro and Allen Bradley
> > > >Date: Fri, 4 Jan 2002 10:31:08 -0600
> > > >
> > > >
> > > >Mr. Driscoll,
> > > >
> > > >You will need a second ethernet port for the AW51-I. The first port
>is
> > > >tied
> > > >to the node, and the second is tied to the PLC network hub or router.
> > >Only
> > > >the Interchange software, which you purchase from your A-B rep, is
> > >required
> > > >in addition to the workstation software from Invensys (Foxboro). We
> > have
> > > >tied ControlLogix to integrators via although not to the ethernet
> > > >integrator, but the mechanics are the same. There is no economic
> > > >justification to using the ethernet gateway if you are not going to
>tie
> >
> > >it
> > > >to more than one PLC. The installations I have seen, or for which we
> > >have
> > > >prescribed an ethernet gateway, all tie into multiple ethernet PLC
> > hubs,
> > >or
> > > >were tied to Pyramid Integrators which have subsequently migrated to
> > > >ethernet PLC's.
> > > >
> > > >Stephen T. Woodworth
> > > >FeedForward, Inc.
> > > >1341 Canton Road, Suite H1
> > > >Marietta, GA 30066
> > > >770.426.4422
> > > >mailto:swoodworth@xxxxxxxxxxxxxxx
> > > >
> > > >-----Original Message-----
> > > >From: foxboro-bounce@xxxxxxxxxxxxx
> > > >[mailto:foxboro-bounce@xxxxxxxxxxxxx]On Behalf Of Robert Driscoll
> > > >Sent: Thursday, January 03, 2002 3:11 PM
> > > >To: foxboro@xxxxxxxxxxxxx; john.metsker@xxxxxxxxxxxx
> > > >Subject: Re: [foxboro] Foxboro and Allen Bradley
> > > >
> > > >
> > > >
> > > >John,
> > > >
> > > >Good info.
> > > >
> > > >Did you buy the INTERCHANGE software straight from Foxboro or from
>A-B?
> > > >Any
> > > >other software packages needed (other than the AW license itself)?
> > > >
> > > >Have you personally done a job integrating A-B Control Logix PLCs
> > > >(emulating
> > > >PLC5s) to AW51-I?
> > > >
> > > >Did you connect the AW51-I into a hub to network it to multiple PLCs?
> > >Did
> > > >that connection resemble Figure 1-2 in B0400BN ending up with
>"Ethernet
> > > >Device with AUI Connector" plugged into hub? Was any other adapter
> > >needed?
> > > >
> > > >
> > > >Bob Driscoll
> > > >Bravo Northwest Power Systems
> > > >
> > > >
> > > >
> > > >
> > > >
> > > >
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