Appendix B
Troubleshooting and Common Questions
NI-FBUS Hardware and Software User Manual
B-18
ni.com
5.
Set the Activate member of the OPC client object to TRUE using
one of the following methods:
•
Edit the connections for the
OPCClient
object and set the
Activate member to TRUE.
•
Set the switch to the on (TRUE) position.
A similar deactivation/activation procedure will have to be followed while
opening a previously saved
.lkp
process file. The Lookout process will
always go live immediately when it is loaded. The OPC client object
Activate member is always set to TRUE at startup, even though the switch
position may indicate off/FALSE.
Server Explorer
1.
Launch the Server Explorer.
2.
Create an inactive OPC client group.
a.
Right-click
NIFB_OPCDA.3
and select
Add/Edit Groups
.
b.
Create a group with the appropriate parameters. Ensure there is no
checkmark in the
Active
box.
3.
Add all items.
4.
Select
File»OPC»Save
to save the file.
5.
Activate the group by right-clicking the group and selecting
Activate
Group
.
6.
When you open the saved file and want to go live, right-click
NIFB_OPCDA.3
and select
Connect to Server
. After Server
Explorer has connected to the server, activate the group as described in
step 5.
LabVIEW DSC
Stop (but do not quit) the LabVIEW DSC engine before you add any items
to your current configuration. Allow the engine two to five minutes to shut
down, especially if your tag configuration file has a large number of items.
When you are done adding items, restart the engine.
