Eaton PROFIBUS-DP EZ204-DP User Manual Page 50

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Installation
MN05013003E46
Power supply of EZ-AB devices and analog inputs
With EZ-AB devices that process analog signals, the device
must be fed via a transformer so that the device is isolated
from the mains supply. The neutral conductor and the
reference potential of the DC power feed of analog sensors
must be electrically connected.
Figure 17: EZ-AB analog input, connection of reference potentials
J
Ensure that the common reference potential is grounded or
monitored by a ground fault monitoring device. Observe the
requirements of the relevant regulations.
I7L
NI1N
L1
N
~
0 V
+12 V
L01h
N01 h
I8
F1
EZ500_700.book Page 46 Tuesday, May 3, 2005 5:15 PM
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