Siemens Simatic S7-1500 CPU 1512C-1 PN - Terminal and Block Diagrams

Wiring
4.3 Terminal and block diagrams
CPU 1512C-1 PN (6ES7512-1CK01-0AB0)
80 Manual, 12/2017, A5E40898741-AA
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
CPU with control and operating mode
buttons
PN X1 P1 R PROFINET interface X1 port 1
②
Display
PN X1 P2 R
PROFINET interface X1 Port 2
③
Electronics
L+
24 V DC supply voltage
④
Interface to on-board I/O
M
Ground
⑤
Interfaces to the backplane bus
SF
STOP ACTIVE LED (yellow)
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
X80 24 V DC
Infeed of supply voltage
Figure 4-3 Block diagram of the CPU part