Application Example; Logic Requirement - ABB COM600 3.4 User Manual

1MRS756738
4.
4.1.
Station Automation COM600 3.4
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 3.3.2-1 with three breakers, the failure protection plan is
the following:
Logic_Processor_System_Diagram.jpg
31