Opc server for ac 800M, Installation and Configuration

Appendix A Running the OPC Server and

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3BSE035983-510 - en AC 800M 5.1 OPC Server

Firewall Settings for OPC Server
Inbound Rules . 4. Click New Rule . 5. Use the New Inbound Rule Wizard

Appendix A Running the OPC Server and
OPC Client on Different Computers
If you are going to run the OPC server on one PC and the OPC client on another PC,
the settings required for DCOM must be performed on the OPC Server PC.
Firewall Settings for OPC Server
To establish a DCOM connection between OPC Server and OPC Client, both
running on Windows 7, the Windows Firewall settings need to be modified on the
OPC Server as described below:
1.
Go to Control Panel > System and Security > Windows Firewall.
2.
Click Advanced Settings to open the Windows Firewall with Advanced
Security window.
3.
Click Inbound Rules.
4.
Click New Rule.
5.
Use the New Inbound Rule Wizard to select and add the following programs
(already installed on the PC) to allow the connection:
–
OpcEnum available in Windows\System 32 folder
–
AC800MC_OpcServer available in Program Files\
ABB Industrial IT\Control IT\OPC Server for AC 800M 5.1\Bin folder.
These new Inbound Rules ensure that a proper connection is established between
OPC Server and OPC Client.
DCOM should however only be used if absolutely needed, due to the risk for lost
connection as described in
Lost Connection Between OPC Client and OPC
Server
on page 68.

Firewall Settings for OPC Server Appendix A Running the OPC Server and OPC Client on Different
68
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Lost Connection Between OPC Client and OPC Server
Various problems may occur if an OPC Client, running on another PC than the OPC
Server, is stopped abruptly (if, for example, the network between the OPC Client
and Server is disconnected).

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