Re: [foxboro] OPC problem and Operator Action Journal
- From: "Johnson, Alex P (IOM)" <Alex.Johnson@xxxxxxxxxxxx>
- To: "foxboro@xxxxxxxxxxxxx" <foxboro@xxxxxxxxxxxxx>
- Date: Sat, 22 Oct 2011 07:20:07 -0500
Re: OPC browsing issue
Are the tags that you want to browse, CBPs or are they Application Objects,
e.g., objects with the type DMCMV, DMCFF, DMCOP, etc.? If the latter, you will
not find the attribute names. The OPC tag browser is linked to CSA's database.
CSA does not support the registration of parameter/attribute level names so
Application Object Attributes cannot be found using the OPC tag browser. To
access those tags, you must type their names into the OPC DA Client directly.
Re: OPC Status Issue
Some versions of AIM*API have problems with Application Objects. Make sure that
you have the latest version of AIM*API installed. You can check if this is the
problem by using the AIM*API test program (aimapi) to put an AOA in a data set
and try to read it. AIM*API will allow you to add the tag, but the read will
fail with a -211 error (IIRC).
Re: OAJ
The OAJ mechanism works only with FoxView/Display Manager. Other programs that
change values are not journalled. In theory, one could write an OPC DA Server
that journalled the changes, but that is not the case with ours.
All you can do is put the point in the historian and use it to record changes.
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 1944 (SSC Fax)
+1 713 329 1700 (Central Fax)
alex.johnson@xxxxxxxxxxxx
________________________________________
From: foxboro-bounce@xxxxxxxxxxxxx [foxboro-bounce@xxxxxxxxxxxxx] On Behalf Of
Imran Waheed Butt [butt.imran@xxxxxxxxx]
Sent: Saturday, October 22, 2011 3:48 AM
To: Foxboro Free List (E-mail)
Subject: [foxboro] OPC problem and Operator Action Journal
Dear All,
*OPC Problem:*
We problem with our OPC, OPC is reading all the points in Matrikon Explorer
using configured aliases, but other client (PI) is not reading the same
points; also when are adding the alias and brows for item path then we can
browse till the block name but the block parameters are not showing.
When we add a healthy alias in Matrikon using the item path name its reading
bad.
I added 11AW70/@status point in Matrikon and its value is,
"AIM*AT server status is [ICC error encountered see errno]."
*Site configuration;*
Host station AW51B V4.3
OPC AW70 V7.1.5
AIMAPI V5.5
OPCDAO License for unlimited points.
OPC Version 3.2.0.15
"Restrict Items to preconfigured aliases only" is unchecked in OPC
Configurator.
*Operator Action Journal:*
We have operator action journal enabled on all the stations (AW and WP) and
its recording the operator actions.
Our requirements are to also record the changes done using OPC aliases
either using Matrikon Explorer or any other 3rd party client using OPC
Aliases to change the values of setpoints etc.
Kindly suggest the solution for these issues.
Regards,
Imran
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