Siemens SIMATIC S7-1500 Equipment Manual page 39

Connecting up
Block diagram
The following figure shows the block diagram of the CPU 1513-1 PN.
① CPU with control and operating mode
buttons
② Electronics
③ PROFINET 2-port switch
④ Backplane bus interface
⑤ Internal supply voltage
X50 SIMATIC memory card
PN X1 P1R PROFINET interface X1 port 1
PN X1 P2R PROFINET interface X1 port 2
Figure 4-2 Block diagram CPU 1513-1 PN
38
X80 24 V DC Infeed of supply voltage
L+ 24 V DC supply voltage
M Ground
SF STOP ACTIVE LED (yellow)
R/S RUN/STOP LED (green/yellow)
ER ERROR LED (red)
MT MAINT LED (yellow)
X1 P1, X1 P2 LED Link TX/RX
Equipment Manual, 11/2023, A5E40881673-AD
CPU 1513-1 PN (6ES7513-1AM03-0AB0)