Siemens SIMATIC S7-1500R/H Manual page 26

Block diagram
The following figure shows the block diagram of the CPU 1515R-2 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)
PN X1 P1 R PROFINET interface X1 port 1
Figure 3-3 Block diagram of the CPU 1515R-2 PN
CPU 1515R-2 PN (6ES7515-2RM00-0AB0)
Manual, 10/2018, A5E42009914-AA
PN X1 P2 R PROFINET interface X1 port 2
PN X2 P1 PROFINET interface X2 port 1
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, X1 P2, LED Link TX/RX
X2 P1
Connecting
3.1 Terminal assignment
25