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Originally Posted by chakorules
When a graphic is created in those HMIs, you can double click them and assign a varible or memory location in the PLC at which you want to poll this address, and display your PLC value in the place of your graphic you made in your HMI.
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LabVIEW is a bit different. In short:
You have a Front Panel and a Block Diagram. The Block Diagram can be looked at kind of like an electronic circuit - wires carry data from one "execution node" to another, and this is where the actual algorithm of the program is executed. The Front Panel is the place where information can be gathered by the block diagram (via controls) or displayed (via indicators). Front panel objects have block-diagram-nodes which are created in the block diagram for the block diagram to interact with. When you create a Front Panel object, you can double-click on it to show the location of its block-diagram-node on the block diagram. It is usually necessary to move the block-diagram-node to a different location than the one that is automatically selected.
In the simple example of the Dashboard Display VI, you would create a Front Panel object (an indicator, for example) and double-click on it to show you the block-diagram-node for that front panel object. You would then move that block-diagram-node into the appropriate "data frame case block" and then wire the blue data wire attached to the left of the condition block to the block-diagram-node. Whenever the appropriate data frame comes in, the data byte selected will be written into your block-diagram-node so that you can view it on your Front Panel.
A video tutorial sounds like an interesting proposition. What kinds of things would you like to see in a LabVIEW video tutorial?
-Danny