Re: [foxboro] (no subject)

A note on configuring your system using System Definition: 
you cannot configure classic FBMS sitting behind a FCM10E.
Regards,
Frits Schouten.

-----Original Message-----
From: gop@xxxxxxxx [mailto:gop@xxxxxxxx]
Sent: Tuesday, 17 June 2003 20:36
To: foxboro@xxxxxxxxxxxxx
Cc: spersico@xxxxxxxxxxxxx
Subject: Re: [foxboro] (no subject)


DCM10E converts a 10Mbps ethernet fieldbus to a 268.75 Kbps HDLC fieldbus.
DCM10Ef is the Fiber Optic counterpart .

I think the minimum Software requirement to support a CP60 is 6.2.1 and that
should support a DCM10E as well.
The DCM requires a letterbug and it should have a configured ECB in ICC .
This is represented as a FCM in SMDH . It needs a power source ,which could
be external or it could source the power from a I/A series mounting
structure . Ethernet interface uses standard 10Base2 connections.

Depending on the kind of I/O's, you may require necessary IOM files 
for EEPROM update your modules . I think if you have Cluster I/O's or
Spectrum I/O's, you may need I/A ver 6.3.2 or 6.5 before connecting them to
CP60 through DCM10E.

Regards,
GOPAN.G.NAIR

spersico@xxxxxxxxxxxxx wrote
in order to understand better.....
i found on foxdoc for 6.4 (B0400FB-C) the DCM10E converter - P0926DJ 

> Depending on the amount of traffic on the fieldbus, it is sometimes a good
> idea to split the existing fieldbus into two or more pieces, i.e., use
> multiple FCMs with the single CP-60.

so it would be better to use more of these DCM ?
I've classic FBM, Coriolis & HIU ....
At the moment of the migration the value of fieldbus scan on CP station 
display, was near 80 but i checked that half of the value came from HIU
(Putting them off-line the value become circa 40). 

Other questions on DCM
Have i to use a minimun I/A release or my 6.2 is sufficient ??
Does DCM must be configured via Sys Def ??
If i use as you suggest, a splitted solution, which cable i must use for 
DMCs connection ( a Foxboro p/n or also a commercial way) ?? 

Thanks much all for your help 

 

Johnson, Alex (Foxboro) scrive: 

> Depending on the amount of traffic on the fieldbus, it is sometimes a good
> idea to split the existing fieldbus into two or more pieces, i.e., use
> multiple FCMs with the single CP-60. 
> 
> Why? 
> 
> Well, it's complicated, but the CP60 architecture depends on processing
FBMs
> in parallel in order achieve its best I/O performance. So, when moving
from
> a CP40 to a CP60, the I/O processing time on the CP60 can be longer than a
> CP40 if a single string of FBMs is in use. 
> 
> 
> Alex Johnson
> Invensys Systems, Inc.
> 10707 Haddington
> Houston, TX 77043
> 713.722.2859 (office)
> 713.722.2700 (switchboard)
> 713.932.0222 (fax)
> ajohnson@xxxxxxxxxxx
> For the latest information on ArchestrA, go to
> www.invensys.com/Archestra.html. 
> 
>  -----Original Message-----
> From:         Neil Martin [mailto:neil_martin@xxxxxxxxxxxx] 
> Sent: Monday, June 16, 2003 7:58 AM
> To:   foxboro@xxxxxxxxxxxxx
> Subject:      Re: [foxboro] (no subject) 
> 
> 
> Yes, you can continue to use the older FBMs, but you will have to either
> replace the Fieldbus Isolators (FBI) with FBI10E (or 10F, or something
> similar) to convert the old Fieldbus communication protocol to the
ethernet
> communications that the CP60 talks.  If desired, you can continue to keep
> the older fieldbus communications for all of the field I/O communications,
> but the communications will have to be converted to the CP60's ethernet
> communications before it is connected to the CP60.  Foxboro now offers an
> FBI10E type of device, I think it is called a DCI10E,  that is not
> installed in an enclosure slot like the FBI10E is, thus if can be mounted
> anywhere that it can connect to the proper power connections. 
> 
> Depending on the series 100 FBM number and communication load, it is also
> possible to possible to put an FBI and an FBI10E module in the same rack.
> The
> FBI can communicate with series 100 FBMs and the FBI10E can be used to
make
> the final connection to the CP60. 
> 
> Neil Martin
> Huntsman Polymers Corporation
> 2505 South Grandview
> Odessa, TX.  79766
> ph) 432-640-8436
> pager)432-742-4289
> email page)9157424289@xxxxxxxxxxxxxxxxxx 
> 
> 
>   
> 
>                       "spersico" 
> 
>                       <spersico@xxxxxxx        To:       "DCS LIST"
> <foxboro@xxxxxxxxxxxxx>                                            
>                       net.it>                  cc: 
> 
>                       Sent by:                 Subject:  (no subject) 
> 
>                       foxboro-bounce@fr 
> 
>                       eelists.org 
> 
>   
> 
>   
> 
>                       06/16/03 02:02 AM 
> 
>                       Please respond to 
> 
>                       foxboro 
> 
>   
> 
>   
> 
>  
> 
>  
> 
> hi all
> i've to migrate an old CP40A to CP60
> The problem is that i've 3 IE32 and many fieldbus devices (HTG & Coriolis)
> Can i use with CP60 the old fieldbus cable or i've necessary to change it
> ??
> Fox Doc is not very clear about it
> I hope the old cable can coexist with new hardware because cables are many
> many meters..... 
> 
> 
> _______________________________________________________________________
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