
5-21
Installing Remote Base Controllers—RBCs
SIMATIC 545/555/575 System Manual
When the CPU logs an RBC off the system, it sets a corresponding bit in one
of the status words that are available to your RLL program. Your RLL
program can use these bits to detect the loss of the RBC and control the
outputs of other bases as appropriate for your application. For details about
status words and more information about programming, refer to the
SIMATIC 545/555/575 Programming Reference User Manual.
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