Siemens SIMATIC ET 200pro - Wiring and Circuit Diagram

Mounting and connecting
4.5 Wiring and circuit diagram
CPU 1516pro-2 PN (6ES7516-2PN00-0AB0)
32 Operating Instructions, 11/2019, A5E35873416-AC
4.5 Wiring and circuit diagram
The figure below shows the wiring and circuit diagram of the CPU 1516pro-2 PN.
①
Infeed of electronics/encoder supply 1L+ and load voltage supply 2L+ (X3)
②
Loop-through of electronics/encoder supply 1L+ and load voltage supply 2L+ (X4)
③
PROFINET interface X2 Port 1 (X2 P1)
R/S
LED operating state (yellow/green)
④
PROFINET interface X1 Port 1 (X1 P1 R)
ERROR
LED diagnostic status (red)
⑤
PROFINET interface X1 Port 2 (X1 P2 R)
MAINT
LED diagnostic status (yellow)
⑥
PROFINET interface X1 Port 3 (X1 P3)
X2 LK1
PROFINET LEDs (yellow/green)
⑦
SIMATIC memory card
X1 LK1
⑧
Mode switch
X1 LK2
⑨
Ethernet controller
24 V DC
LED load voltage supply (green)
X1 P3
PROFINET LED (green)
PN
LED PROFINET (yellow)
Figure 4-4 Wiring and circuit diagram