Re: [foxboro] AW: AW: Foxboro and Allen Bradley, multiple PLCs
- From: "Johnson, Alex (Foxboro)" <ajohnson@xxxxxxxxxxx>
- To: foxboro@xxxxxxxxxxxxx
- Date: Thu, 3 Jan 2002 08:52:22 -0500
What kind of PLC are you using and how do you make it look like a PROFIbus
device?
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: Maurer, Heinz [SMTP:hmaurer@xxxxxxxxxxx]
Sent: Thursday, January 03, 2002 2:15 AM
To: 'foxboro@xxxxxxxxxxxxx'
Subject: [foxboro] AW: AW: Foxboro and Allen Bradley,
multiple PLCs
Yes, up to 3 DP master in the micro are running well.
Heinz Maurer
Invensys Systems GmbH
Vertriebsb=FCro D=FCsseldorf
Heerdter Lohweg 53-55
40549 D=FCsseldorf
Deutschland
Tel.: +49 (0) 211 5966 -333
Fax.: +49 (0) 211 5966 -300
Mob.: +49 (0) 173 25 32 515
Email: heinz.maurer@xxxxxxxxxxxx
http://www.invensys-process-systems.de
> -----Urspr=FCngliche Nachricht-----
> Von: Johnson, Alex (Foxboro) [SMTP:ajohnson@xxxxxxxxxxx]
> Gesendet am: Mittwoch, 2. Januar 2002 21:13
> An: foxboro@xxxxxxxxxxxxx
> Betreff: Re: [foxboro] AW: Foxboro and Allen Bradley,
multiple PLCs
>=20
>=20
> Let's see if I understand what you are saying:
>=20
> * Install one or more PROFIbus DP interface cards in the
Micro-I/A.
> * Connect the PLC as a PROFIbus slave device to the PROFIbus
network
> * Configure the Micro-I/A to read the PLC data as if it were
PROFIbus
> data
>=20
> Is this correct?
>=20
>=20
> Regards,
>=20
>=20
> 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>=20
>=20
>=20
>=20
> -----Original Message-----
> From: Maurer, Heinz [SMTP:hmaurer@xxxxxxxxxxx]
> Sent: Wednesday, January 02, 2002 3:49 AM
> To: 'foxboro@xxxxxxxxxxxxx'
> Subject: [foxboro] AW: Foxboro and Allen Bradley,
multiple
> PLCs
>=20
>=20
>=20
> Hi,
>=20
>=20
> if you want to connect multiple PLCs to one Micro for
monitoring
> and
> operating, you can use up to 3 profibus DP masters, each
with more
> than =3D
> one
> client (PLC).
> We have experiences.
>=20
>=20
> Heinz Maurer
>=20
> Invensys Systems GmbH
> Vertriebsb=3DFCro D=3DFCsseldorf
> Heerdter Lohweg 53-55
> 40549 D=3DFCsseldorf
> Deutschland
>=20
> Tel.: +49 (0) 211 5966 -333
> Fax.: +49 (0) 211 5966 -300
> Mob.: +49 (0) 173 25 32 515
> Email: heinz.maurer@xxxxxxxxxxxx
> http://www.invensys-process-systems.de
>=20
> > -----Urspr=3DFCngliche Nachricht-----
> > Von: Johnson, Alex (Foxboro) [SMTP:ajohnson@xxxxxxxxxxx]
> > Gesendet am: Freitag, 28. Dezember 2001 19:11
> > An: foxboro@xxxxxxxxxxxxx
> > Betreff: Re: [foxboro] Foxboro and Allen Bradley
> >=3D20
> >=3D20
> > The micro-I/A approach supports:
> >=3D20
> > * One and only one PLC
> > * Dual Nodebus interface
> > * Single electronics
> >=3D20
> > If it were not for the limitation of support for one PLC
it would
> be =3D
> a
> > very
> > nice solution.
> >=3D20
> >=3D20
> > Regards,
> >=3D20
> >=3D20
> > 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>=3D20
> >=3D20
> >=3D20
> > -----Original Message-----
> > From: Chris Browder [SMTP:chris_browder@xxxxxxxxx]
> > Sent: Friday, December 28, 2001 11:53 AM
> > To: foxboro@xxxxxxxxxxxxx
> > Subject: Re: [foxboro] Foxboro and Allen
Bradley
> >=3D20
> >=3D20
> > Not much to add, but aren't there MicroIA solutions
> > available that will connect via ethernet/ip to
PLC's?=3D20
> > No one has mentioned them yet. There was also some
> > talk a while back about there being a redundant
option
> > (in addition to fault tolerant) available in the
> > future.
> >=3D20
> > If available the MicroIA would then be used instead
of
> > the AB30's...
> >=3D20
> > chris.
> >=3D20
> >=3D20
> > --- Rick de la Cierva <rcierva@xxxxxxxxxxxxxxxx>
> > wrote:
> > >=3D20
> > > Bob,=3D3D20
> > >=3D20
> > > I think you caught many on vacation since this
topic
> > > usually has many
> > > interested subscribers willing to dive in. While I
> > > was at lunch tough I
> > > did see Joe provided some feedback also.
> > >=3D20
> > > The AB30 is a standard Foxboro module that can be
> > > configured redundant.
> > > One of the ports is configured to communicate to
the
> > > CAM (see modules
> > > listed below) that converts it to DH+. The
> > > limitations are: "The Gateway
> > > supports a maximum of 16 I/A Series Allen-Bradley
> > > Scan Blocks (ABSCAN)
> > > to perform input/output functions with up to eight
> > > PLC controllers". I
> > > believe these are not hard limitations but mostly
> > > throughput limitations
> > > one should follow. This module is basically just a
> > > control processor 30
> > > that can interface to PLCs. It only performs
control
> > > functions.
> > >=3D20
> > > The Foxboro edocs indicate the interface modules
> > > that can be used with
> > > the the AB30 are " The Gateway interfaces to the
> > > Allen-Bradley Data
> > > Highway using 1771-KE/KF, 1770-KF2 Series B, or
> > > 1779-KFL (in 1771-KE/KF
> > > Emulation Mode) Communication Adapters". Note that
> > > they are all for data
> > > highway and not direct to ENET. I looked at the
> > > information on the
> > > 1761-NET-ENI and it seems like it should work also
> > > but Rockwell has the
> > > following note on their about this module: "Lets
you
> > > connect MicroLogix
> > > (or other products with an RS-232-C port and DF1
> > > protocol) to an
> > > EtherNet/IP network and initiate a single-hop
> > > message with any
> > > EtherNet/IP device via a connected CIP message.
> > > Supports the NetLinx
> > > services." - Note the single hop - I am not sure
how
> > > your network looks.
> > >=3D20
> > > As Joe indicated, the other options to go directly
> > > to the PLCs on
> > > Ethernet is using either a 51 series(Solaris) or
70
> > > series Integrator -
> > > though these are not redundant. Basically these
are
> > > either a Sun Box or
> > > a Windows NT PC that run the Foxboro blocks inside
> > > and connect to the
> > > PLC directly on Ethernet. I have not tried the 70
> > > series integrator but
> > > have used the 51 series. On these AB Interchange
> > > software is loaded and
> > > is used to communicate to the PLCs. These also
have
> > > a lot more
> > > horsepower for blocks and your limitation is not
the
> > > number of PLCs but
> > > the throughput on the communication network and
the
> > > ability of the PLC
> > > to respond in adequate time. Since you mention the
> > > AB30 module I am
> > > guessing you have a typical Foxboro nodebus system
> > > and not a standard
> > > Ethernet system. You can add a second Ethernet
card
> > > to these integrators
> > > to connect them to the PLC Ethernet network and
> > > connect the first
> > > Ethernet to a DNBT cart so that the integrator is
> > > also on your standard
> > > Foxboro nodebus network.
> > >=3D20
> > > Give me a call if you want to discuss further.
> > >=3D20
> > > Rick de la Cierva
> > > DLC SOLUTIONS CORP.
> > > 203-207-9917
> > >=3D20
> > >=3D20
> > > -----Original Message-----
> > > From: Marchal, Andre L.
> > > [mailto:AMarchal@xxxxxxxxxxxxxxx]=3D3D20
> > > Sent: Friday, December 28, 2001 10:36 AM
> > > To: 'foxboro@xxxxxxxxxxxxx'
> > > Subject: Re: [foxboro] Foxboro and Allen Bradley
> > >=3D20
> > >=3D20
> > > Bob,
> > >=3D20
> > > I also tried to connect an INT30 to Allen Bradley
> > > 5/40E's without =3D3D3D
> > > success.
> > > I used an 1761-NET-ENI to do the
DF1-RS232/Ethernet
> > > conversion.
> > > I do not know what the problem was (improper
wiring,
> > > protocol, etc...).
> > > Please let me know if you find a successful
method.
> > >=3D20
> > > Bob, this is what I understand: the INT30 for
Allen
> > > Bradley can =3D3D3D
> > > communicate
> > > with up to 8 PLCs. It has 2 redundant RS232 ports
> > > (that is a powerful =3D3D
> > > =3D3D3D
> > > and
> > > easy to use feature). If you want to communicate
> > > with more PLCs, you =3D3D
> > > =3D3D3D
> > > would
> > > have to use one of the configured PLCs as a "mail
> > > box".
> > >=3D20
> > > Here is what I used for my test:
> > > INT30=3D3D3D20
> > > SCSI cable P0500UX
> > > Serial connector P0970VB
> > > Ethernet interface 1761-NET-ENI (Allen Bradley)
> > > Serial cable 1761-CBL-PM02 (Allen Bradley)
> > >=3D20
> > > Andr=3D3D3DE9 Marchal
> > > -----Original Message-----
> > > From: Robert Driscoll [mailto:rdrisco@xxxxxxxxxxx]
> > > Sent: Friday, December 28, 2001 7:55 AM
> > > To: foxboro@xxxxxxxxxxxxx
> > > Subject: [foxboro] Foxboro and Allen Bradley
> > >=3D20
> > >=3D20
> > >=3D20
> > > Hello List,
> > >=3D20
> > > I am installing several Allen Bradley PLCs and I
> > > want to connect them =3D3D
> > > =3D3D3D
> > > to a=3D3D3D20
> > > Foxboro system. I know a few things about the
> > > Foxboro hardware but I =3D3D
> > > =3D3D3D
> > > have a
> > >=3D20
> > > few questions.
> > >=3D20
> > > How many PLCs can a single AB30 module be directly
> > > connected to? The =3D3D
> > > =3D3D3D
> > > module
> > >=3D20
> > > has four ports, so I assume it can go to four
> > > different PLCs?
> > >=3D20
> > > I read the Foxboro on-line document and it
discussed
> > > the RS232 =3D3D
> > > direct=3D3D3D20
> > > connection to a PLC, or a connection through a
CAM.=3D20
> > > My PLCs will =3D3D
> > > be=3D3D3D20
> > > networked together through a hub. Is there a
> > > Foxboro way of =3D3D3D
> > > communicating=3D3D3D20
> > > to the PLCs via ETHERNET? I could not find that
in
> > > the
> > > documentation. Is it possible to connect the Fox
> > > module(s) into the =3D3D3D
> > > hub and
> > >=3D20
> > > have the devices talk that way?
> > >=3D20
> > > Any other pitfalls with the AB30 (or other modules
> > > that may apply =3D3D3D
> > > here)?
> > >=3D20
> > > Bob Driscoll
> > > Bravo Northwest Power Systems
> > >=3D20
> > >=3D20
> > >=3D20
> > >
> >
> _________________________________________________________________
> > > Join the world's largest e-mail service with MSN
> > > Hotmail.=3D3D3D20
> > > http://www.hotmail.com
> > >=3D20
> > > =3D3D3D20
> > > =3D3D3D20
> > >
> >
>
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> > > Foxboro Company.
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> > >
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For
> disclaimer,
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___________________________________________________________________
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> Company.
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> > see
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___________________________________________________________________
> This list is neither sponsored nor endorsed by The Foxboro
Company.
> Use the information obtained here at your own risk. For
disclaimer,
> see
http://www.thecassandraproject.org/disclaimer.html#maillist
>=20
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>
___________________________________________________________________
> This list is neither sponsored nor endorsed by The Foxboro
Company.
> Use the information obtained here at your own risk. For
disclaimer,
> see http://www.thecassandraproject.org/disclaimer.html#maillist
>=20
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> subscribe: mailto:foxboro-request@xxxxxxxxxxxxx?subject=3Djoin
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___________________________________________________________________
This list is neither sponsored nor endorsed by The Foxboro Company.
Use the information obtained here at your own risk. For disclaimer,
see http://www.thecassandraproject.org/disclaimer.html#maillist
list info: //www.freelists.org/list/foxboro
subscribe: mailto:foxboro-request@xxxxxxxxxxxxx?subject=join
unsubscribe: mailto:foxboro-request@xxxxxxxxxxxxx?subject=leave
___________________________________________________________________
This list is neither sponsored nor endorsed by The Foxboro Company.
Use the information obtained here at your own risk. For disclaimer,
see http://www.thecassandraproject.org/disclaimer.html#maillist
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