Setup guide

Chapter 3 Driver and Protocol Objects
©
Automationdirect.com 3-73 Object Reference Manual
Note
If you are using the National Instruments OPC IATest server, there is no device to
poll. Triggering the PollDevice data member returns a zero (0). Simulated data will be
restored shortly after such a poll.
The Server Name box enumerates all of the OPC servers registered on the
local computer. Select the appropriate server.
Note
The Server Name listbox contains only local servers. It has no effect on what you
find when you browse remote servers.
You can then select one of the In-Process Server, Local Server, and
Remote Server options. These options specify the type of server the OPC
client will attempt to launch. If it cannot successfully connect to the
selected server, the OPC client generates an alarm.
Select Remote Server to enable Computer Name, which specifies the
name of the computer on which the remote server is to be launched. If you
know the computer name you want, enter it preceded with two backslashes,
as in
\\PUMMEL.
Caution
In-process servers should only be used if Lookout
Direct
is the only program
communicating with the server. If other programs address the same server, use the Local
Server option.
The Browsing options include Disabled, Flat, and Hierarchical. If your
OPC servers permit browsing, select either Flat or Hierarchical. If you