Siemens SIMATIC S7-1500R/H Manual page 29

Connecting
3.1 Terminal assignment
Block diagram
The following figure shows the block diagram of the CPU 1517H-3 PN.
①
SIMATIC memory card (X50)
②
Display
③
Mode selector RUN/STOP/MRES
④
Electronics
⑤
PROFINET 2-port switch
⑥
Synchronization interface
⑦
Backplane bus connection
(connection to backplane bus not configura-
ble)
⑧
Internal supply voltage
⑨
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 1517H-3 PN
28
PN X1 P2 R
PN X2 P1
HSYNC X3 P1
HSYNC X4 P1
L+
M
R/S
ER
MT
X1 P1, X1 P2, X2 P1,
X3 P1, X4 P1
CPU 1517H-3 PN (6ES7517-3HP00-0AB0)
Equipment Manual, 11/2019, A5E42011886-AB
PROFINET interface X1 port 2
PROFINET interface X2 port 1
H-Sync interface X3 port 1
H-Sync interface X4 port 1
24 V DC supply voltage
Ground
RUN/STOP LED (yellow/green)
ERROR LED (red)
MAINT LED (yellow)
LED Link TX/RX