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779463-01 Datasheet(PDF) 3 Page - National Instruments Corporation |
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779463-01 Datasheet(HTML) 3 Page - National Instruments Corporation |
3 / 5 page Ethernet/Serial Interfaces for Compact FieldPoint 3 BUY ONLINE at ni.com or CALL (800) 813 3693 (U.S.) Accessing Network I/O Data on a cFP-180x Using Shared Variables You can create a shared variable for any tag that is available on a cFP-180x bank connected to the network. You then can use this shared variable in multiple LabVIEW applications either targeted to Windows OS or running embedded on a Compact FieldPoint real-time controller such as the NI cFP-2120. To create a shared variable to be hosted on a Windows system, simply right-click on My Computer in the LabVIEW Project and select New Variable; select the option to bind this shared variable to a source, and then you can either select IO from your local LabVIEW Project or any I/O available on the network, as shown in Figure 7. After you create a shared variable, it appears in LabVIEW Project Manager and is available for use in your LabVIEW applications simply by dragging the variable from the Project Explorer to an existing VI (see Figure 8). From a PC, PAC, or embedded Compact FieldPoint controller, you can use MAX with LabVIEW 8 to configure I/O settings for the cFP-180x to access data on distributed Compact FieldPoint banks. Accessing distributed I/O is now easier than ever with LabVIEW 8 and a cFP-180x. Ordering Information NI cFP-1808 ...........................................................................779463-01 NI cFP-1804 ...........................................................................779490-01 PS-5 (power supply 24 VDC, 5 A, universal power input) ......778805-90 BUY NOW! For complete product specifications, pricing, and accessory information, call (800) 813 3693 (U.S.) or go to ni.com/fieldpoint. Figure 6. Drag and drop an I/O tag from a LabVIEW Project to any VI. Figure 7. Compact FieldPoint distributed I/O channels are accessible as network items from LabVIEW. Figure 8. Use a shared variable to access distributed I/O for all channels. |
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