Siemens SIMATIC ET 200M

Wiring
5-12
Distributed I/O Device ET 200M
EWA-4NEB780600602-06
5.1.5 Configuring the ET 200M with Non-Isolated Modules
Potentials in a Configuration with Non-Isolated Modules
Figure 5-5 shows the potentials of an ET 200M configuration with grounded
reference potential with the non-isolated analog input/output module
SM 334; AI 4/AO 2 8/8Bit.
L+
N
M
L1
L+
M
PS IM 153-x
mP
L1
N
24V DC load power supply
U
int
M
int
Data
4AE/2AA
PI
1 mm
2
M
ANA
Ground bus in cabinet
M
ext
V
A
++
D
A
A
D
Figure 5-5 Potentials in a configuration with the non-isolated analog input/output module
SM 334; AI 4/AO 2 8/8Bit
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