S.Hariharan,
Does the Matrikon OPC Tunneler have any configuration settings or attributes
that can be set to enable / disable writing to tags. We use AIM* OPC Server to
provide I/A tags to a Wonderware Historian. There are several items in the OPC
Server that can be configured that affect the capability to write to tags
including enabling / disabling secured or unsecured writes and a Read Only
attribute that can be set for each individual tag. I am not familiar with the
tunneler but would guess there may be somethings that are similar. However, I
don't know why this would affect the quality of the read data of these same
tags.
Tom Badura
Plastics Engineering Company
-----Original Message-----
From: foxboro-bounce@xxxxxxxxxxxxx [mailto:foxboro-bounce@xxxxxxxxxxxxx] On ;
Behalf Of Hariharan Srinivasan
Sent: Wednesday, September 21, 2016 5:32 AM
To: <foxboro@xxxxxxxxxxxxx> (foxboro@xxxxxxxxxxxxx) <foxboro@xxxxxxxxxxxxx>
Subject: [foxboro] AIM Historian - OPC Tunneller - Honeywell server - Data
Write Access problem
Dear Sir,
We are using matrikon OPC tunneller to transfer data from Foxboro Historian
server to Honeywell PIMS server.
We are facing issue in some tags. The value of these tags are healthy in
Foxboro historian and also in OPC tunneller but not in Honeywell server.
M/s Honeywell has reported that the confidence level of these tags are < 100%
and from their side the system is ok.
M/s Matrikon has reported that there is no restriction is Tunneller and it has
to be checked in Foxboro Historian.
While monitoring these tags in Matrikon OPC explorer, we observed these
problematic tags are having only Read Access and No write Access and further we
noticed that these tags are from one particular control Processor (CP).
Kindly suggest us how to enable the write option for these tags.
Thanks in advance.
With regards,
S.Hariharan
Senior Manager- Operation & Maintenace(C&I) Adani Power Ltd. Village: Tunda &
Siracha, Taluka: Mundra, Mundra, Kutch 370 435, Gujarat, India
Ph: +91 2838 266576, M: +91 9687 660238,
hariharan.srinivasan@xxxxxxxxx<mailto:hariharan.srinivasan@xxxxxxxxx>,
www.adani.com<http://www.adani.com>
[Adani Email signature 9]
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