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Wiring
4.3
Electrical design of the ET 200X
Electrical isolation between ...
The electrical design of the ET 200X includes isolation between:
S The load circuits and all the other circuit components of the ET 200X
S The PROFIBUS-DP port in the basic module and circuit components
ET 200X configuration
The diagrams below show the potentials in an ET 200X configuration.
L1
L2
L3
N
PE
AC
DC
AC
DC
Ground bus
Note: The potentials of the analog modules EM AI and EM AO
correspond to those of the EM DI expansion modules.
Figure 4-2
Potentials present in an ET 200X configuration with motor starter
4-6
BM
EM DO
1M
mP
1L+
1M
2L+
2M
Actuator
EM DI
EM 300 DS
ET 200X Distributed I/O Device
EWA 4NEB 780601602-06
Data
M
3 X
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