Brian,
This has occurred at our site after an upgrade of the CPs. Numerous PLB
blocks quit functioning.
Our fix was to Delete/Undelete the PLB block. Never had an issue afterwards.
Not sure what you can do with the process running.
On Fri, Dec 30, 2016 at 10:24 AM Brian Long <blong@xxxxxxx> wrote:
Been working fine until a few days ago, operators noticed the issue.Michael Jaudon Sent from iPhone
Luckily they could operate in manual.
Brian
-----Original Message-----
From: foxboro-bounce@xxxxxxxxxxxxx [mailto:foxboro-bounce@xxxxxxxxxxxxx]
On Behalf Of Richard Targosky
Sent: Friday, December 30, 2016 10:15 AM
To: foxboro@xxxxxxxxxxxxx
Subject: Re: [foxboro] Ladder Logic Timer
Wow, maybe this is a new feature? (LOL)
Did the logic NEVER WORK after migration? Or did it stop after some time?
It could be a flakey FBM?
rst
Sent from my Verizon 4G LTE smartphone
-------- Original message --------
From: Brian Long <blong@xxxxxxx>
Date: 12/29/16 7:48 PM (GMT-05:00)
To: foxboro@xxxxxxxxxxxxx
Subject: Re: [foxboro] Ladder Logic Timer
No, this is logic that's been running for 10 years with no changes.
Just simple stuff that just runs.
Sent from my iPhone
On Dec 29, 2016, at 4:14 PM, Marchal, André L. <AMarchal@xxxxxxxxxxxx>
wrote:
Brian,
Have you recently added/modified another PLB block in that FBM? If you
exceed the limit (all PLB blocks together), some ladder blocks will not
satisfactorily resolve the logic.
André Marchal
-----Original Message-----
From: foxboro-bounce@xxxxxxxxxxxxx
[mailto:foxboro-bounce@xxxxxxxxxxxxx] On Behalf Of Brian Long
Sent: Thursday, December 29, 2016 2:35 PM
To: foxboro@xxxxxxxxxxxxx
Subject: [foxboro] Ladder Logic Timer
We have a TON, (TC03_S) that has stopped functioning, has anyone ever
seen this occur before? Logic has been running in CP40B for years, in
September
moved logic to a CP270 V920023, IA 9.1.576, FoxView 10.4.3. Luckily
had a
spare timer and put it in its place, left âbadâ timer in logic so we can
monitor. From the PLB Monitor timer accumulates time but never goes true.
Have Forced ON/OFF, compiled, doneâd, etc. Am not really in a position
to do delete/undelete or force FBM to download.
Thoughts?
Brian
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