Application Example; Logic Requirement - ABB COM600 series 5.1 User Manual

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4.1.
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COM600 series 5.1
Logic Processor User's Manual

Application example

Logic requirement

The following is an example of building PLC logic in COM600, and not intended to
implement a complete breaker failure protection logic. An example project is provided
on the SAB600 installation CD.
Figure 4.1-1 System diagram (Feeder #2 as the source)
In the system shown in Figure 4.1-1 with three breakers, the failure protection plan is
the following:
1MRS756738
Logic_Processor_System_Diagram.jpg