Siemens SIMATIC S7-1500 Manual page 27

Block diagram
The following figure shows the block diagram of the CPU 1515-2 PN.
①
Display
②
RUN/STOP/MRES mode selector
③
Electronics
④
Switch
⑤
Backplane bus interface
⑥
Internal supply voltage
X50 SIMATIC memory card
X80 24 V DC Infeed of supply voltage
Figure 3-2 Block diagram of the CPU 1515-2 PN
CPU 1515-2 PN (6ES7515-2AM00-0AB0)
Manual, 12/2014, A5E32332431-AB
PN X1 P1 R PROFINET interface X1 Port 1
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, LED Link TX/RX
X1 P2,
X2 P1
Connecting up
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