Re: [foxboro] hlbl msglin
- From: "Grumelart, Alain" <alain.grumelart@xxxxxxxxxxxxxxxx>
- To: <foxboro@xxxxxxxxxxxxx>
- Date: Tue, 23 Oct 2007 10:05:18 -0400
RE: "Is there a way to kick off a script from a sequence block so that
no message gets recorded to the OAJ?"
Alex Johnson has this "cpShell" utility which allows just that.
It runs on an AW and waits for commands from sequence blocks.
You send it a shell command via either SENDCONF or SENDMSG. =
This mechanism does not depend on any DM or Foxview instance. =
Alain Grumelart Ing.
Systems Integration & IT
Invensys Systems Canada Inc.
-----Original Message-----
From: foxboro-bounce@xxxxxxxxxxxxx [mailto:foxboro-bounce@xxxxxxxxxxxxx]
On Behalf Of Lowell, Timothy
Sent: Friday, October 19, 2007 10:40 PM
To: foxboro@xxxxxxxxxxxxx
Subject: Re: [foxboro] hlbl msglin
I have a follow-up question on this. We have a sequence block that
kicks off a script file every 30 seconds which records the value of some
important totalizers into a text file. The idea is, if the CP should
fail and set the totalizers to zero, this sequence block will run upon
the initialization of the CP and read the text file it has been writing
to every 30 seconds and omset the totalizer values back to what they
should be.
This works well, but the problem is, the sequence code uses the
:AW0101DMCMD call to kick off the script, and every time it does, this
gets recorded to the OAJ. This means there are 2880 useless messages
per day in the OAJ.
Is there a way to kick off a script from a sequence block so that no
message gets recorded to the OAJ? This script uses wp_applic to invoke
the script, and I was wondering if using just applic would work better.
Does anyone know?
Tim
----- Original Message -----
From: foxboro-bounce@xxxxxxxxxxxxx <foxboro-bounce@xxxxxxxxxxxxx>
To: foxboro@xxxxxxxxxxxxx <foxboro@xxxxxxxxxxxxx>
Sent: Fri Oct 19 21:29:42 2007
Subject: Re: [foxboro] hlbl msglin
If memory serves, the object is to have the Sequence block
set the DM/FV variable "DMCMD" with the text of a display
manager command.
That variable can be accessed from outside the DM/FV by using
a name which is the DM/FV name followed by the variable name
"DMCMD". So, for FoxView name 05WP01, the variable is named
05WP01DMCMD. =
In Sequence code an OM name is preceded by ":", so the statement
to set it is:
: 05WP01DMCMD :=3D "dmcmd msglin Hola"
Be careful to remember that if the DM/FV instance isn't running,
the Sequence block gets a -1 error (because the variable doesn't
exist), also that it will fail the same way if the DM/FV station
is dead or is rebooting, etc. There are also some nodebus conditions =
which can also make the command fail, at least temporarily, so it
is a good idea to have an error handler.
William C Ricker
FeedForward, Inc.
-----Original Message-----
From: foxboro-bounce@xxxxxxxxxxxxx [mailto:foxboro-bounce@xxxxxxxxxxxxx]
On
Behalf Of Ron Schafer
Sent: Friday, October 19, 2007 12:17 PM
To: foxboro@xxxxxxxxxxxxx
Subject: [foxboro] hlbl msglin
=
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Does anyone know the command for hlbl (ind block) to send text to the
message line?
=
Ronald G. Schafer
Distrubuted Controls System Administrator
White Birch Paper
Bear Island L.L.C. Division
10026 Old Ridge Rd.
Ashland Va. 23005
804-227-4034
Email: rschafer@xxxxxxxxxxxxxxxxxxxxxx
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