PACiS GTW GTW/EN T/C40, Техническое руководство

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Installation GTW/EN IN/C40
PACiS Gateway Page 15/30
5. SCADA PROTOCOL OPC
This chapter is useful only if you have chosen the SCADA Protocol OPC.
OPC libraries use DCOM technology and need to be registered in order to be found by a
local or a remote system.
The PACiS GTW setup installs and registers these libraries (only for Data Access) but it is
possible you want install and register another version of these libraries.
5.1 Installing the OPC Proxy DLL’s
The first step in creating an OPC Server is to obtain and install the OPC Proxy/Stub DLL’s
from OPCFoundation (http://www.opcfoundation.org)
•
Download and unzip the proxy/stub files.
•
Copy opccomn_ps.dll, opcproxy.dll, opcae_ps.dll, opchda_ps.dll to the SYSTEM32
Directory. *Be sure not to overwrite any newer versions*
•
Type REGSVR32 opccomn_ps.dll
•
Type REGSVR32 opcproxy.dll
•
Type REGSVR32 opc_aeps.dll
•
Type REGSVR32 opchda_ps.dll
You will also need to download and install the OPC Server Browser Object supplied by the
OPC Foundation. The OPC Foundation also advises that you verify that your system
contains the actxprxy.dll and if not, install the ActiveX Redistributable Installation Kit from
Microsoft. The aprxdist.zip file containing the Microsoft software is also available from the
OPC Foundation Web-Site.
5.2 DCOM Configuration for Windows 2000
Run dcomcnfg.exe application to configure permissions. By default, we configure it with all
rights and control allowed. When PACiS GTW behaviour will be checked, rights may be
changed to match customers requirements.
When running the DCOM configuration application, you normally must see the PACiS GTW
entry named “OPC DATA IMPLEMENTATION” as in the following snapshot: