Re: [foxboro] Foxboro and Allen Bradley
- From: "Robert Driscoll" <rdrisco@xxxxxxxxxxx>
- To: ajohnson@xxxxxxxxxxx, foxboro@xxxxxxxxxxxxx
- Date: Thu, 03 Jan 2002 12:21:30 -0500
Are these configuration steps (putting the IP address in the ECB, etc.)in a
document I can review online before buying the package?
Bob Driscoll
Bravo Northwest Power Systems
>From: "Johnson, Alex (Foxboro)" <ajohnson@xxxxxxxxxxx>
>To: Robert Driscoll <rdrisco@xxxxxxxxxxx>
>Subject: RE: Foxboro and Allen Bradley
>Date: Thu, 3 Jan 2002 09:04:29 -0500
>
>Re: Will the AW be able to talk to each PLC individually?
>
>It should though I've never actually configured one.
>
>
>Re: How will the AW51-I "know" which PLC is PLC001, PLC002, PLC003, etc.?
>
>My understanding is that you will place entries in the /etc/hosts file
>which
>will associate a name with the IP address of the PLC. Alternatively, you
>will put the IP address in the ECB. I've never looked to see how it is
>done.
>
>John Metzger of General Mills monitors the Cassandra list and he does this
>a
>lot.
>
>
>
>Regards,
>
>
>Alex Johnson
>System Products - Invensys Systems, Inc.
>10707 Haddington
>Houston, TX 77043
>713.722.2859 (office)
>713.722.2700 (switchboard)
>713.932.0222 (fax)
>ajohnson@xxxxxxxxxxx <mailto:ajohnson@xxxxxxxxxxx>
>
>
>
> -----Original Message-----
> From: Robert Driscoll [SMTP:rdrisco@xxxxxxxxxxx]
> Sent: Wednesday, January 02, 2002 6:43 PM
> To: ajohnson@xxxxxxxxxxx
> Subject: Re: Foxboro and Allen Bradley
>
> Alex,
>
> Thanks again, just one more thing to clarify.
>
> I am leaning toward the AW51-I for this job since it can handle up
>to 15,000
> I/O and we could use another engineering workstation. I looked at
>the edoc
> B0400BN and it shows in Figure 1-2 the Ethernet connections from an
>AW.
> Coming out of the workstation, there is an MII-to-AUI converter, an
>AUI
> cable, Ethernet Transceiver (with terminators), thinnet cable,
>Ethernet
> Transceiver again, AUI cable, and then connect to Ethernet Device
>with AUI
> Connector (seems kind of complicated
> - I guess you can't just simply connect an Ethernet cable out of the
>AW
> straight to another Ethernet device, but
> I guess that's OK).
>
> The question is, I want the device to be a multi-port ethernet
>switch (hub)
> that several PLCs are connected to (ControlLogixs emulating PLC5s)
>along
> with the AW. Will the AW be able to talk to each PLC
> individually? I mean if we build the "ECBs" for several different
>PLCs
> which are connected into the hub, will it see and read each one's
>data
> tables? How will the AW51-I "know" which PLC is PLC001, PLC002,
>PLC003,
> etc.?
>
> Regards,
>
> Bob Driscoll
> Bravo Northwest Power Systems
>
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