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Mechanical and Electrical Configuration
Grounded Confi-
For a grounded configuration, on the load power supply (M terminal) or on
guration
the isolating transformer in the secondary circuit, provide a removable con-
nection (5) to the protective ground conductor (see Figure 3-19).
Ground all machine parts.
(1)
L1
L2
L3
N
PE
(2)
(3)
M
L+
(5)
(6)
(7)
M
L+
Figure 3-19 Grounded Configuration with a 24 V DC Power Supply for an ET 200U Interface Module, Sensors, and
Actuators (Safe Electrical Isolation According to VDE 0160)
3-26
(9)
(10)
ET
200U
interf.
mod.
DI
DI
DQ
DQ
ET 200U Distributed I/O Station
EWA 4NEB 812 6087–02b
Terminal 1
Terminal 2
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