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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 4-3
Potentials present in an ET 200X configuration with frequency converter
ET 200X Distributed I/O Device
EWA 4NEB 780601602-06
BM
EM DO
1M
mP
1L+
1M
2L+
2M
Actuator
EM DI
EM 148-FC
mC
mC
Wiring
Data
M
Brake
3 X
4-7
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