1756-6.5.3 - December 1999
5-6 Logix5550 Controller to PLC-5C: Unscheduled Messaging
6. Click on OK.
7. Save the program.
Download the Write Message Program
(1)
1. Click on the Communications menu and select Who Active.
2. The Who Active window will appear (Your window may look different
depending upon the drivers and other devices you have installed).
3. Drill down the tree through ControlNet driver and the 1756-CNB
module at node 1 to the controller in slot 0.
4. Highlight the controller and click on the Download button.
5. Put the controller into Run mode.
6. Minimize RSLogix5000.
If the Cache Connections option is selected, the controller keeps the
connection open after it completes the data transfer. The next data transfer
uses the open connection and avoids the delay required to open the
connection. If this option is not selected, the controller closes the
connection after the data transfer operation is complete. Selecting the option
results in faster data transfers, but indefinitely retains a connection. Since
the controller has a limited number of connections, this could eventually
result in the controller being unable to establish connections.
(1)
This example uses RSLogix5000 version 2.25. See Appendix D if you are using version 2.10 or earlier.
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