Siemens Simatic S7-1500 Manual - Page 32

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Siemens Simatic S7-1500 Manual
Connecting up
Block diagram
The following figure shows the block diagram of the CPU 1518‑4 PN/DP.
Display
RUN/STOP/MRES mode selector
Electronics
PROFINET 2-port switch
PROFIBUS DP driver
Backplane bus interface
Internal supply voltage
X50
SIMATIC memory card
X80 24 V DC
Infeed of supply voltage
PN X1 P1 R
PROFINET interface X1 Port 1
Figure 4-2  Block diagram of the CPU 1518‑4 PN/DP
32
PN X1 P2 R
PROFINET interface X1 Port 2
PN X2 P1
PROFINET interface X2 Port 1
PN X3 P1
PROFINET interface X3 Port 1
PB X4
PROFIBUS interface X4
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, X3 P1
CPU 1518-4 PN/DP (6ES7518-4AP00-0AB0)
Equipment Manual, 11/2022, A5E32334527-AE