Setup guide

Chapter 2 System Objects
Object Reference Manual 3-74 www.Automationdirect.com
enable flat browsing all data members appear in any Lookout
Direct
windows displaying OPC client data members. If you select Hierarchical,
the data members are arranged in hierarchical folders.
To browse remote servers, click on the browsing button next to the Remote
Server field. The following dialog box appears.
Browse for the computer you want, and select the OPC server running on
the computer that you want to access.
Note
You must have the Microsoft Remote Registry service installed for remote OPC
browsing to work on a computer running Windows 98/95. To install, select
Start»Settings»Control Panel and then select Network. Check the Configuration tab to
see if Microsoft Remote Registry is installed. If it is not, click on the Add button, and select
Service in the Select Network Component Type dialog box. Choose Microsoft as the
manufacturer. If the Remote Registry service is not visible, you will need your
Windows 98/95 CD-ROM. You may have to browse through the disk to find the correct
service. Once you have installed this service, you can successfully use remote OPC
browsing in the LookoutDirect OPCClient object.
Select Use Asynchronous I/O if you want to us asynchronous
communications with your OPC server. This is the preferred
communications mode, and should be used when possible.
The Force Refresh after Write option is only available if you select the
Use Asynchronous I/O option. This option forces the OPC server to return
the current status of all data members every time you write to one.
Note
Selecting Force Refresh after Write can sometimes impair performance of your
LookoutDirect process, depending on the number of data members in your OPC server and