Rockwell-automation 284E ArmorStart with EtherNet/IP - User Manual Manual do Utilizador Página 317

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Rockwell Automation Publication 280E-UM001B-EN-P – July 2012 317
Using DeviceLogix Appendix C
Figure 102 - DeviceLogix Program
Once you exit the DeviceLogix editor, ensure that the logic is “Enabled”
otherwise the preset frequency control will not operate. Refer to Figure 103
.
Figure 103 -
This simple PLC program is used to select one of three preset speeds, speed 1, 2,
or 3. For the purpose of this example speed 1, 2, & 3 are BOOL bits but they can
be any valid input. Notice that there is an interlock for speed 1 and speed 2 to
ensure they do not trigger at the same time. This would accidently cause speed 3
to run.
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