OPC Distribution
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OPC Distribution Notes
ActiveX and VCL Users
- The Iocomp Components Product Installer will install several required DLLs and
EXEs on your computer for support of our OPC features.
- If you intend to utilize the OPC features of our components, a distribution
license will need to be obtained from Iocomp Software or your Iocomp Authorized
Reseller.
- Additional files that were installed on your development computer will need to
be distributed to your end-users for the OPC client features to function
correctly. We have provided a copy of all of the necessary OPC files and dependency
files in a directory named "OPC Distributables" located in our installation
directory. The required OPC files necessary for our components are as follows...
OPC Support Files
opcenum.exe
OPCProxy.dll
opccomn_ps.dll
aprxdist.exe {only needed if IE 3.x or higher not installed}
Installation on End-User Computer
The two DLL files will need to be registered on your end-users computer using
regsvr32 or with your installation program's automatic registration option. The
opcenum.exe program will need to be registered by executing "opcenum
/regserver" on the command line or through your installation program's shell command.
All three files should be placed in the Window's System or System32 directory.
Manual Installation From Command Line
Run the following commands from your Windows System directory (Windows
95/98/ME) or your Windows System32 directory (WinNT/2000/XP)...
Windows 95/98/ME
C:\Windows\system>ocpenum /regserver
C:\Windows\system>regsvr32 OPCProxy.dll
C:\Windows\system>regsvr32 opccomn_ps.dll
Windows NT/2000/XP
C:\WINNT\system32>ocpenum /regserver
C:\WINNT\system32>regsvr32 OPCProxy.dll
C:\WINNT\system32>regsvr32 opccomn_ps.dll
If the End-User's computer does not have Internet Explorer 3.x or higher
installed, you will need to distribute aprxdist.exe from Microsoft's Technical
Support or from our OPC Distributables directory that was installed when you
installed our software. This will installed critical OLE support files that come with
IE 3.x and higher. This installation of aprxdist.exe is only required on
Windows 95 or Windows NT 4.0 as higher versions of Windows already have Internet
Explorer 4.x or higher installed by default.
NOTE: other OPC client or OPC Server vendors may have already installed these
support files on your system. It is critical that you do version checking on these
files and that you increment the installation counter for these files in the
Windows registry using your Install Program's Shared File features. Also, these
three files are the minimum number of OPC support files needed by our
components. Other OPC clients or OPC servers may require other OPC files that are not
supplied by Iocomp Software. For more information or updates, refer to the OPC
Foundation's Website at http://www.opcfoundation.org
DCOM Configuration on Development and End-User Computer
Configuration of DCOM on your computer varies depending on your the security
model of the Windows installation at your company's site. DCOM is generally
already setup by default to work correctly with our OPC clients. However, each
company's security settings and security policies are different, so we cannot
completely cover DCOM configuration here. Please contact Iocomp Support for
assistance or refer to Microsoft Technical Support documentation for more information.
CLX Users
Due to varied support for OLE and DCOM under operating systems supported by
Borland CLX, our OPC features will not function in CLX projects running under
Windows (Delphi 6 CLX) or Linux (Kylix 1 CLX). Our OPC features are fully
supported under Delphi 6 VCL projects.
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