Siemens SIMATIC S7-1500 CPU 1511-1 PN

④ Backplane bus interface SF STOP ACTIVE LED (yellow)
⑤ Internal supply voltage R/S RUN/STOP LED (green/yellow)
X50 SIMATIC memory card ER ERROR LED (red)
PN X1 P1R PROFINET interface X1 Port 1 MT MAINT LED (yellow)
PN X1 P2R PROFINET interface X1 Port 2 X1P1, X1P2 LED Link TX/RX
Figure 4-2Block diagram of the CPU 1511-1 PN
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Connecting up
CPU 1511-1 PN (6ES7511-1AL03-0AB0)
Equipment Manual, 11/2022, A5E40869673-AC