Siemens Simatic S7-1500

Wiring
4.3 Terminal and block diagrams
CPU 1512C-1 PN (6ES7512-1CK00-0AB0)
Manual, 09/2016, A5E35306440-AB
71
4.3
Terminal and block diagrams
4.3.1
Block diagram of the CPU part
Block diagram
The following figure shows the block diagram of the CPU part.
①
Display
X80 24 V DC
Infeed of supply voltage
②
RUN/STOP/MRES mode selector
PN X1 P1 R
PROFINET interface X1 port 1
③
Electronics
PN X1 P2 R
PROFINET interface X1 port 2
④
Interface to on-board I/O
L+
24 V DC supply voltage
⑤
Interfaces to the backplane bus
M
Ground
⑥
Backplane bus interface
R/S
RUN/STOP LED (yellow/green)
⑦
Internal supply voltage
ER
ERROR LED (red)
⑧
2-port switch
MT
MAINT LED (yellow)
X50
SIMATIC Memory Card
X1 P1, X1 P2
Link TX/RX LED
Figure 4-2 Block diagram of the CPU part