B3: Several operator panels connected to several NCUs, distributed systems - only 840D sl
2.15 Examples
Figure 2-44
MMC_1 is server, wishes to switch operating focus from NCU_1 over to NCU_2, switchover not disabled in
PLCs, MMC_1 can switch operating focus
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Function Manual, 09/2009, 6FC5397-1BP20-0BA0
Extended Functions