Connecting
5.1 Connecting measuring sensors
2AI TC ST analog electronic module (6ES7134-4JB00-0AB0)
Manual, 04/2007, A5E01076883-01
27
Non-isolated measuring encoders
The non-isolated measuring encoders are connected to the local ground potential. You must
connect M
ANA
to the ground potential. Depending on local conditions or interference,
potential differences U
CM
(static or dynamic) can occur between the locally distributed
measuring points.
If the permitted value for U
CM
is exceeded, there must be equipotential bonding conductors
between the measuring points.
The following schematic representation illustrates the connection of non-isolated measuring
encoders to an optically isolated analog input module.
Connection of non-isolated measuring encoders to an optically isolated analog input module:
5
4
1
2
3
0
0
/
0
0
$1$
0
0
8
&0
$'8
8
,62
① Logic
② Backplane bus
③ Ground bus
④ Equipotential bonding conductor
⑤ Non-isolated measuring encoders
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