Re: [foxboro] FCP's vs. ZCP selection on new projects
- From: "Johnson, Alex P \(IPS\)" <alex.johnson@xxxxxxxxxxxxxxxx>
- To: <foxboro@xxxxxxxxxxxxx>
- Date: Wed, 15 Aug 2007 18:55:56 -0400
Re: I'm sure Foxboro must be working on correcting this glaring omission
concerning fieldbus switch health monitoring. =
The switch is viewed as a cable from the CP's point of view. This is
identical to the situation with the CP60s.
Getting the diagnostic data from the switch to the CP is a bit
difficult.
Regards,
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 Richard A. Bakke
Sent: Wednesday, August 15, 2007 2:01 PM
To: foxboro@xxxxxxxxxxxxx
Subject: Re: [foxboro] FCP's vs. ZCP selection on new projects
Russ,
I'm sure Foxboro must be working on correcting this glaring omission
concerning fieldbus switch health monitoring. It would seem to me that
the switches do indeed have a connection to an SMON AW--the same
connection that the FCM's and FBM's do. So if the latter can be
monitored, I would think the switches can be as well. If nothing else,
I would think the switch health data could be allowed to pass through
the CP to get to the switch monitoring software on the AW.
Rich Bakke
Longview Fibre
=
-----Original Message-----
From: foxboro-bounce@xxxxxxxxxxxxx [mailto:foxboro-bounce@xxxxxxxxxxxxx]
On Behalf Of Boulay, Russ
Sent: Wednesday, August 15, 2007 11:24 AM
To: foxboro@xxxxxxxxxxxxx
Subject: Re: [foxboro] FCP's vs. ZCP selection on new projects
As Alex has stated, it is a supported configuration.
Several users have decided to have "nodebus" "fieldbus" separation.
Some points though:
The fieldbus switches get configured in SysDef.
They do not get connected to the Mesh.
They just standalone outside of the Mesh This causes an error when
performing check config in SysDef Ignore the error.
They do not get System Monitored as they have no connection to a SMON
AW.
So health of those switches are unknown.
Only know there is an issue if your FCM's report a fieldbus error.
Best to have two switches out at that location.
Each side of FCM to each switch.
The two switches would be tied together to facilitate the internal FCM
probe test between it's two ports.
russb
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