Re: [foxboro] Historize I/A Workstation Status?
- From: "Johnson, Alex P (IOM)" <Alex.Johnson@xxxxxxxxxxxx>
- To: "foxboro@xxxxxxxxxxxxx" <foxboro@xxxxxxxxxxxxx>
- Date: Tue, 6 Dec 2011 12:36:27 -0600
Re: It is possible to write the values using omset to a
Compound:Block.parameter.
That is possible and I recommend the following variation:
1) Use omsetimp to eliminate multicasts.
2) Store the data in Shared Variables in the AW/WP
Shared variables are OM data stores with a flat names space. Names can be up to
14 characters long, e.g.,
<wpLbug>HD
The use of SVs means that the data does not have to travel across the control
network for storage and it is MUCH faster to store locally than in a CP.
The Historian, FoxView, and other OM applications can read these values and
manipulate them.
The are created by using /opt/fox/bin/omcrt. Type it without arguments to get a
syntax summary.
You want to create a "go_" script in /usr/fox/apps to create them and run that
script from /usr/fox/apps/foxapps.dat.
(I think I got the directory names wrong. I can't get to a system at the
moment, but it's the directory with all the "go_" scripts.)
Regards,
Alex Johnson
Invensys Operations Management
10900 Equity Drive
Houston, TX 77041
+1 713 329 8472 (desk)
+1 713 329 1600 (operator)
+1 713 329 1700 (Central Fax)
alex.johnson@xxxxxxxxxxxx
-----Original Message-----
From: foxboro-bounce@xxxxxxxxxxxxx [mailto:foxboro-bounce@xxxxxxxxxxxxx] On
Behalf Of andreas.weiss@xxxxxxxxx
Sent: Tuesday, December 06, 2011 8:59 AM
To: foxboro@xxxxxxxxxxxxx
Subject: Re: [foxboro] Historize I/A Workstation Status?
Hi Todd,
you may decide if you want to use scripts or to buy a management solution e.g.
from MS.
An installation with more than 5 machines cries at a out of the box solution.
Scripting guys prefer the shell or powershell. It is possible to write the
values using omset to a Compound:Block.parameter.
1. % hard drive space remaining
-> http://powershell.com/cs/media/p/1617.aspx
2. % CPU load
-> http://powershell.com/cs/media/p/12254.aspx
3. Networking load
-> Buy the NetSight offer from Invensys.
Regards,
Andreas
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