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2. Enable the OPC function by checking the box next to “Enable OPC.” The ‘Enable OPC’ option allows the
user to enable and disable OPC functionality, which can allow or prevent other sources on the OPC-
enabled network to connect to the Multi-Channel Online Monitor. Generally, this option should remain
enabled once OPC functionality is activated.
3. Enter the Server Name to be used for the respective system. The default ‘Server Name’ should be
YSIOPCServer (no spaces). The header is used to distinguish between different Servers using OPC on
the same network.
The OPC server name should never be changed from the default name.
4. Press Save to save any changes made to the Server Name.
5. Press Reset to restore any modifications made since opening the OPC tab.
6. To modify the OPC server user login, select Edit. NOTE: It is recommended to use the OPC default login
(opc) and password (opc). If the login or password needs to be changed contact Technical Support.
7. Enter the Login and Password to be used for the account.
8. Check the disabled box only if the account should be disabled.
9. Set the login permissions by selecting the options shown on the list. The three options for OPC
control are Start/Stop Service, Start/Stop Vessel, and Write Variables.
10. Select Save to set the account settings.
NOTE: YSI recommends the OPC login feature be disabled, which is preset in the application. In
this instance Steps 7–10 below are not necessary and can be ignored. If the user would like to
enable the login function, Contact Technical Support prior to doing so.
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