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Analog Value Processing
You must observe various conditions when connecting current or voltage sensors to analog input
modules, depending on what type of sensors are used.
Note
Detailed information on address assignment for analog modules is presented in
Chapter 6 (Addressing/Address Assignments). Please observe the information regar-
ding the overall structure (Section 3.4 in this manual).
Also observe the directions in Section 3.5 regarding shielding of the signal leads.
Note
Unused inputs must be terminated with a voltage divider or shunt (see Table 10-1).
In the case of the 498-1AA11 module, the unused inputs must be short-circuited (M+
with M - in each case).
Other modules require no additional wiring.
The galvanic isolation between the analog inputs and L+or L - is nullified when using
the 498-1LAA51 module for a 2-wire transducer!
10-6
S5-115U Manual
EWA 4NEB 811 6130-02b
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