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The PI OPC HDA Interface is an OPC HDA COM interface for bi-directional data transfer between an OPC HDA Server and an OSIsoft PI System.

Release Announcements

20-Dec-2012 PI API 1.6.8.22b Patch for PI API 1.6.8.17 and earlier is released
11-Jul-2012 PI OPC HDA (OPCHDAInt) Interface 1.4.3.30 is released
03-Aug-2011 PI OPC HDA (OPCHDAInt) Interface 1.4.2.35 is released
15-Nov-2010 PI OPC HDA (OPCHDAInt) Interface w/ICU Control 1.4.1.28 is released
13-Mar-2009 PI OPC HDA (OPCHDAInt) Interface 1.4.0.0 is released
07-Oct-2008 PI OPC HDA Interface w/ ICU Control v1.3.2.0 is released
29-Feb-2008 PI OPC HDA Interface w/ ICU Control v1.3.1.0 is released
29-Jan-2008 PI OPC HDA Interface APS Connector v1.0.2.0 is released
14-Nov-2006 White paper on DeltaV connectivity to the PI system is available
12-Jul-2006 PI OPC HDA Interface w/ ICU Control v1.2.0.0 is released
More...

Support Bulletins

14-Aug-2012 "Unknown Message" messages may appear in the PI Server Message Log on interface nodes
24-Mar-2011 Patches for the PI OPC HDA (OPCHDAInt) Interface APS Connector

KB Articles

19-Dec-2012 Potential point data corruption with PI Systems in latent and/or saturated networks
14-Jul-2011 PI OPC HDA Interface performance and when to use HDA vs DA
11-Apr-2011 How does the PI Server handle non-English characters or strings
25-Aug-2009 Unpack2 errors with the PI OPC Interface - Understanding and Troubleshooting
17-Oct-2006 PI OPC Interface 2.3.2.0 failover configuration issues
More...
Version 1.4.3.30
Release Date 11-Jul-2012
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