Re: [foxboro] ZCP-FBM connection options

 Your only option for the ZCP270 to avoid switches in their fieldbus is:

ZCP270 IOC connections on top of ZCP270 cabled directly to the ports of
one pair of FCM100e's or FCM100eT's
Without a switch involved, this can be done with a restriction of only
one pair that can be tied directly to the ZCP ports. Obviously this then
leads to a restriction of total FBM's to 32


-----Original Message-----
From: foxboro-bounce@xxxxxxxxxxxxx [mailto:foxboro-bounce@xxxxxxxxxxxxx]
On Behalf Of Fink Nottle
Sent: Wednesday, July 22, 2009 6:15 PM
To: foxboro@xxxxxxxxxxxxx
Subject: [foxboro] ZCP-FBM connection options

All,

 

With the FCP270, the documented options to interface with FBM100s/200s
appear to be the following:


[AW]<-->[Mesh Control
Network]<-->[FCP270]<-->[FBI-100]<-->[FBM-100]<-->[Process]
&
[AW]<-->[Mesh Control Network ]<-->[FCP270]<-->[FBM-200]<-->[Process]

 

The primary benefit of the above approaches, in my mind, is that the
interface between the FCPs and the FBMs is closed, proprietary,
point-to-point & unmanaged.

 

With the ZCP, however, the documented interfaces between the CP and the
FBMs always appear to be through some type of  Mesh network (either a
combined Mesh
Control+Fieldbus network, or standalone Mesh Fieldbus Network).


The drawback, in my mind, is that there are TCP/IP based managed "open"
network devices between the Controller and I/O. The impact of
planned/unplanned outages of this mesh-control/fieldbus-network when
using conventional 4-20A based field-devices (as opposed to FF) is
essentially loss of Level 1 control. 

 

Is there a supported option to connect a ZCP to FBM 200/100s without
using the mesh-network (as possible with the FCPs)?

 

Thanks,
Daniel

 

_________________________________________________________________
Windows Live(tm) Hotmail(r): Search, add, and share the web's latest
sports videos. Check it out.
http://www.windowslive.com/Online/Hotmail/Campaign/QuickAdd?ocid=TXT_TAG
LM_WL_QA_HM_sports_videos_072009&cat=sports
 
 
_______________________________________________________________________
This mailing list is neither sponsored nor endorsed by Invensys Process
Systems (formerly The Foxboro Company). Use the info you obtain here at
your own risks. Read http://www.thecassandraproject.org/disclaimer.html
 
foxboro mailing list:             http://www.freelists.org/list/foxboro
to subscribe:         mailto:foxboro-request@xxxxxxxxxxxxx?subject=join
to unsubscribe:      mailto:foxboro-request@xxxxxxxxxxxxx?subject=leave
 


** Confidentiality Notice:
This e-mail, including any associated or attached files, is intended solely for 
the individual or entity to which it is addressed. This e-mail is confidential 
and may well also be legally privileged. If you have received it in error, you 
are on notice of its status. Please notify the sender immediately by reply 
e-mail and then delete this message from your system. Please do not copy it or 
use it for any purposes, or disclose its contents to any other person.

This email is from the Invensys Process Systems business unit of the Invensys 
Group, a group of companies owned by Invensys plc, which is a company 
registered in England and Wales with its registered office at Portland House, 
Bressenden Place, London, SW1E 5BF (Registered number 166023).  For a list of 
European legal entities within the Invensys Group, please go to 
http://www.invensys.com/legal/default.asp?top_nav_id=77&nav_id=80&prev_id=77.  

You may contact Invensys plc on +44 (0)20 7821 3848 or e-mail 
inet.hqhelpdesk@xxxxxxxxxxxxx This e-mail and any attachments thereto may be 
subject to the terms of any agreements between Invensys (and/or its 
subsidiaries and affiliates) and the recipient (and/or its subsidiaries and 
affiliates).


 
 
_______________________________________________________________________
This mailing list is neither sponsored nor endorsed by Invensys Process
Systems (formerly The Foxboro Company). Use the info you obtain here at
your own risks. Read http://www.thecassandraproject.org/disclaimer.html
 
foxboro mailing list:             http://www.freelists.org/list/foxboro
to subscribe:         mailto:foxboro-request@xxxxxxxxxxxxx?subject=join
to unsubscribe:      mailto:foxboro-request@xxxxxxxxxxxxx?subject=leave

Other related posts: