Siemens SIMATIC S7-1500R Equipment Manual page 28

Block diagram
The following figure shows the block diagram of the CPU 1513R-1 PN.
① SIMATIC memory card (X50)
② Display
③ Mode selector RUN/STOP/MRES
④ Electronics
⑤ PROFINET 2-port switch
⑥ Backplane bus connection
(connection to backplane bus not configurable)
⑦ Internal supply voltage
⑧ Supply of the 24 V DC supply voltage (X80)
Figure 3-2 Block diagram of the CPU 1513R-1 PN
CPU 1513R-1 PN (6ES7513-1RL00-0AB0)
Equipment Manual, 05/2021, A5E42009333-AC
PN X1 P1 R PROFINET interface X1 port 1
PN X1 P2 R PROFINET interface X1 port 2
L+ 24 V DC supply voltage
M Ground
R/S RUN/STOP LED (yellow/green)
ER ERROR LED (red)
MT MAINT LED (yellow)
X1 P1, LED Link TX/RX
X1 P2
Connecting
3.1 Terminal assignment
27