Siemens Simatic S7-300 - Configuration with Non-Isolated Modules

Configuring
S7-300 Programmable Controller Hardware and Installation
4-20 A5E00105492-01
L+
N
M
L1
L+
M
PS
S7-300 CPU
µ
P
L1
N
U
Internal
M
internal
Data
4AI/2AO
PE
1mm
2
M
analog
M
external
V
A
++
D
A
A
D
Ground bus
in cabinet
DC 24 V load power supply
Figure 4-10 Configuration with non-isolated modules