Re: [foxboro] Foxboro - AB Interface Questions

Alex,=20
=09You left out FBM223 Profibus for V6/7. We are using an FBM223
connected to a ProSoft slave in our control logix processor and it works
very well.

Chuck,
=09The answer to your problem is to pass an array as your one item. We
are communicating with a couple of control logix processors using I30s and
Emulated PLC 5 messaging this way. I would be happy to get you more
information off-list if you need it.

Bob Wingard

-----Original Message-----
From: Johnson, Alex P (IPS) [mailto:alex.johnson@xxxxxxxxxxxxxxxx]
Sent: Tuesday, January 24, 2006 6:18 AM
To: foxboro@xxxxxxxxxxxxx
Subject: Re: [foxboro] Foxboro - AB Interface Questions


For V8, we (will) offer:

0) OPC from an FBM232/233 (released) over Ethernet to a PC running an OPC
Server connected in turn to the PLC(s)
1) DH+ from an FBM230/231 (released)
2) CSP over Ethernet to PLC5s (to be released very shortly; beta sites
anyone?)
3) Ethernet/IP (CIP over Ethernet) to ControlLogix (under development)


For V6/7, the interfaces are:

1) AB-Integrator using DH+ (DF1) and the various adapters
2) AW-Integrator using Ethernet using=20
=20  a) Interchange (Solaris) or=20
=20  b) RS-Linx (Windows) or=20
=20  c) OPC (Windows) with the RSLINX OPC Server in the same box
3) FBM224 (Modbus RTU Master) over a serial link to a (3rd Party) card in
the PLC5

I think that pretty much covers it.

Clearly, the "best" approach will use V8, CP270s, FBM232/233, and CIP.


Hope this was useful.

Regards,
=20
Alex Johnson
Invensys Systems, Inc.
10900 Equity Drive
Houston, TX 77041
713.329.8472 (voice)
713.329.1700 (fax)
713.329.1600 (switchboard)
alex.johnson@xxxxxxxxxxxxxxxx

-----Original Message-----
From: foxboro-bounce@xxxxxxxxxxxxx [mailto:foxboro-bounce@xxxxxxxxxxxxx] On
Behalf Of Pablo Lioi
Sent: Tuesday, January 24, 2006 5:34 AM
To: foxboro@xxxxxxxxxxxxx
Subject: Re: [foxboro] Foxboro - AB Interface Questions

Chuck,
Here we have 3 ControlLogix PLC's talking to AB30B's and we haven't faced=20
the problem you describe.
Our AB30B is connected to a KF2 box and the DH+ that goes out of this box=20
connects to a port of a DHRIO module in each PLC. At the PLC we assigned=20
PLC5-type addresses to the data to be exchanged.
The ABSCAN block can read more than one address with no problems..... in our

case we are reading 16 registers (PCINPS =3D 32 in the ABSCAN BLOCK). Of=20
course, all the registers must belong to the same "data file" - you can read

N16:0 to N16:30 with one ABSCAN block, but if you want to read N16:0 and=20
N17:0 you will need 2 ABSCAN blocks.... anyway, this is not a problem, as=20
you can define your PLC5-type data tables the way you like.
If you are about to change your hardware, maybe you should wait a little=20
while..... Foxboro will have to offer a better communication method for=20
ControlLogix at some time in the near future.... current options like DH+,=20
modbus with Prosoft modules or Interchange software for Unix or RSLinx=20
software for NT all seem far-fetched. I think they will have to come out=20
with an Ethernet FBM that talks directly to the ControlLogix in its native=20
protocol.

Pablo Lioi
System Engineer
TOTAL AUSTRAL
ARGENTINA


>From: "Jones, Charles R. (Chuck)" <Chuck.Jones@xxxxxxxxxxxxxxx>
>Reply-To: foxboro@xxxxxxxxxxxxx
>To: <foxboro@xxxxxxxxxxxxx>
>Subject: [foxboro] Foxboro - AB Interface Questions
>Date: Mon, 23 Jan 2006 17:43:01 -0500
>
>We have several Allen Bradley PLCs that we communicate with in our
>plant.  We have a mix of ControLogix and PLC5s.  We have used ABGW30s in
>the past to talk with PLC5s.  Allen Bradley people told us ControLogix
>machines could emulate PLC tables, and thus use the same gateway.  They
>left out the line that said, "a PLC5 table emulated in ControLogix may
>only have one item in it".  I have set up an APGW30 that talks to one
>ControLogix 5550 PLC.  I have a handful of points in it, each in their
>own emulated PLC5 table.  The problem is that, in the gateway, each PLC
>table requires its own ABSCAN block and there is only one ABSCAN block
>per compound.  So, each of the points is imported into the Foxboro
>system in its own compound.  I hope I have something wrong here.  But,
>this method works.  I built it based on what I understood.  Surely, no
>one else is doing it like this.
>The problem is that we are facing "end of life" issues with a lot of our
>hardware now.  We would like to replace one of our AP51s with a newer,
>bigger model at a higher operating system level that can be used as an
>AW Integrator with Interchange software.  I would like to know that I do
>not have to transfer data between control systems with only one datum
>point per table.
>
>I've read through most of 48 archived entries to the mail list, but if
>the answer is there, I still haven't found it.  Does someone know if I
>can transfer data in and out of a ControLogix PLC from Foxboro with full
>tables in a manner similar to the way the operation was done
>transferring data in and out of a PLC5?  Can I do it with an ABGW30?
>Can I do it with an AW51 Integrator?
>
>
>Chuck Jones
>Automation Technologist
>Tate & Lyle -- Lafayette South Plant
>765.477.5324 - Office  | 765.586.5290 - Cell
>
>
>
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