ABB 800xA - Accessing 800 Xa History da Server Using DCOM Settings; Appendix G - Accessing 800 Xa History da Server

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Appendix G Accessing 800xA History DA
Server
Accessing 800xA History DA Server Using DCOM Settings
When configuring OPC client to access 800xA History DA Server, ensure that client
machine is in Workgroup or Domain Environment.
Refer important information related to DCOM settings required for accessing
800xA History DA server as mentioned below.
Workgroup Environment
In workgroup environment, if the OPC Client PC is in same workgroup as 800xA
History DA Server than following should be done.
• There should be a common user account for running both OPC Server and OPC
Client.
• If the OPC Server and OPC Client are running with different user account,
then, these local user accounts should be available in both PC. For example, if
the OPC Server runs with local user account 'A' and OPC Client runs with user
account 'B' then both local user 'A' and 'B' should be available in OPC Server
(For example, 800xA History Server Node) as well as OPC Client Node. It is
not mandatory that these user account have same password.
Ensure to have administrative privileges to create user accounts which are
mentioned in the following description.