Terminal And Block Diagrams; Block Diagram Of The Cpu Part - Siemens Simatic S7-1500 Manual

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