Adding Devices to the System
53
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Replacing The Central Controller
VA requires that there is always one NetLinx Central Controller in each system.
Since you are not allowed to delete the Central Controller, you must use Replace to use a different type:
1.
Select the device in the system diagram that you want to replace.
2.
Select the device that you want to replace it with, in the Toolbox.
3.
Select
Edit > Replace
(or select Replace Device from the Toolbox System Devices context menu).
Alternatively, you can drag-and-drop a replacement Central Controller from the Toolbox into the System
Diagram:
1.
Position the replacement Central Controller directly on top of the existing one to replace it.
2.
When the replacement Controller is positioned correctly to replace the existing one, the Replace
icon is displayed on the cursor. When the Replace Icon appears, release the Controller that you are
dragging, and it will replace the existing Central Controller (FIG. 34).
It is important to note that depending on the differences between the original Central Controller and
the one that is selected to replace it, some device connections may be lost.
For example, if you replace a NI-4000 - which features eight IR/Serial ports, with a NI-700 - which
has one IR/Serial Port, you will lose IR/Serial Ports 2-8.
If you have devices connected to any ports on the original Controller that do not exist on the
replacement Controller, the device connections will be lost for the missing ports, but the
devices will remain in the System (FIG. 35).
However, if the replacement Controller has the same number of port types as the original, no
device connections will be lost.
You are not allowed to delete the Central Controller. You can change the Central
Controller's type via the Replace option.
FIG. 34
Replacing The Central Controller
