3-26
ET 200U Distributed I/O Station
EWA 4NEB 812 6087–02b
For a grounded configuration, on the load power supply (M terminal) or on
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.
L1
L2
L3
N
PE
(1)
(2)
(5)
DI DQ DQDI
ET
200U
interf.
mod.
Terminal 1
Terminal 2
(10)
(6)
(7)
(3)
(9)
ML+
L+M
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)
Grounded Confi-
guration
Mechanical and Electrical Configuration
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